FCC ID: V2R-PLATFORMDUO Super Fast Dual Wireless Charging Pad

Go to www. cresyn.com to view the Declaration of Conformity. Cresyn Co., Ltd. 5, Gangnam-daero 107-gil, Seocho-gu, Seoul, Republic of Korea This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. and RF du IC d'exposition aux radiations: Cet quipement est conforme l'exposition de la IC rayonnements RF limites tablies pour un environnement non contrl. Lantenne pour ce transmetteur ne doit pas tre mme endroit avec dautres metteur sauf conformment la IC procdures de produits Multi-metteur. Cet quipement doit tre install et utilis avec une distance minimale de 20 cm entre le radiateur et votre corps.

Cresyn Co., Ltd. 5, Gangnam-daero 107-gil, Seocho-gu, Seoul, Republic of Korea Date : 2023.02.02 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 LETTER FOR AUTHORIZATION FCC ID: V2R-PLATFORMDUO To whom it may concern:

I, the undersigned, hereby authorize SGS Korea Co., Ltd. and hereafter referred to as SGS Korea, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by SGS Korea Co., Ltd. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing SGS Korea as our agent, we still recognize that we are responsible to:

a) comply with the relevant provisions of the certification program;

b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints;

c) make claims regarding certification only in respect of the scope for which certification has been granted;

d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized;

e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division;

Cresyn Co., Ltd. 5, Gangnam-daero 107-gil, Seocho-gu, Seoul, Republic of Korea f) use certification only to indicate the products are certified as being in conformity with specified standards;

g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner;

h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division;

i) keep a record of all complaints made known to the us relating to the products compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested;

j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification;

k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours Name : Jihyeon Lee Title : Manager Company Name : Cresyn Co., Ltd.

SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration Applicant Legal Business Name Cresyn Co., Ltd. Address Grantee Code FCC ID 5, Gangnam-daero 107-gil, Seocho-gu, Seoul, Republic of Korea V2R V2R-PLATFORMDUO Authorized Contact Name Jihyeon Lee Contact Email Contact Phone Jihyeon@cresyn.com

+82-2-2041-2843 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare;

a) b) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for:

labeling the equipment with the exact FCC ID as specified in this application,

(1)

(2) compliance statement labeling pursuant to the applicable rules,

(3) compliance of the equipment with the applicable technical rules, c) d) e) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCCs technical requirements. in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements.

(1)

(2)

(3) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. the Applicant shall, upon request by SGS, at the Applicants expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) g) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a party for these purposes. the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Cresyn Co., Ltd. (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Cresyn Co., Ltd. (the applicant) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered list, established pursuant to 1.50002, as an entity producing covered equipment. Applicant Signature:

Date: 2023.02.07 Print Name:

Jihyeon Lee Title:

Manager

*NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database QSF27-14-04 Rev 1.0 Rev. Feb 6, 2023 Page 1 of 1 Original Issue: Jan. 4, 2021

Cresyn Co., Ltd. 5, Gangnam-daero 107-gil, Seocho-gu, Seoul, Republic of Korea Date : 2023.02.02 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 REQUEST FOR CONFIDENTIALITY FCC ID: V2R-PLATFORMDUO Pursuant to Sections 0.457 and 0.459 of the Commissions Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, (Cresyn Co., Ltd.) hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give , (Cresyn Co., Ltd.) temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows:

CONFIDENTIAL LIST Permanent 1 2 3 4 5 6 7 Short-Term Block Diagram Operational Descriptions Schematics External Photos Internal Photos Test-Setup Photos User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely Yours Name : Jihyeon Lee Title : Manager Company Name : Cresyn Co., Ltd.

Cover Letter-Wireless Charger Approval FCC ID: V2R-PLATFORMDUO Date: 02 Feb, 2023 Gentlemen:

Theres a PLATFORM DUO that would like to have your authorization as an Inductive wireless power transfer applications approval. The specific product as below, PLATFORM DUO, with its designed features and specified description, considers special requirements for KDB 680106 DO1 v03 section 5, b) requirements. Company: Cresyn Co., Ltd. Product Name: Super Fast Dual Wireless Charging Pad Model Number: PLATFORM DUO FCC ID: V2R-PLATFORMDUO KDB 680106 D01 v03 Section 5, b) Requirements: Product Technical Specification:

(1) Power transfer frequency is less that 1 MHz Ant. 1 : 0.124 7 ~ 0.130 7 MHz. Complied

(2) Output power from each primary coil is less than or equal | Ant. 1:5 W, 7.5 W, 10 W, 15 W Complied

(3) The transfer system includes only single primary and The transfer system includes Two single | Complied secondary coils. This includes charging systems that may primary coil. have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils

(4) Client device is placed directly in contact with the Client device is placed directly in contact | Complied wae ee | Gomes nf

(5) Mobile exposure conditions only (portable exposure Mobile conditions only Complied fntonermonetvinedamy

(6) The aggregate H-field strengths at 15 cm surrounding the | Ant. 1: Complied device and 20 cm above the top surface from all H-Field: 0.174 A/m (at 15 cm) simultaneous transmitting coils are demonstrated to be less < 0.815 A/m (50% of the limit) than 50% of the MPE limit. Ant. 2:

H-Field: 0.033 A/m (at 15 cm)

< 0.815 A/m (50% of the limit) Sincerely, :

By: (A a Jinhyoung Cho

(Signature 1) (Print name) Title: Technical Manager On behalf of: SGS Korea Co., Ltd. (Company Name) Telephone: +82-3 1-428-0903

UNITED STATES DESIGNATED AGENT LETTER Date: 2023.02.14 TO:

Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant Company Name: Cresyn Co., Ltd U.S. designated agent Company Name: PHIATON CORPORATION Grantee Code:

V2R FRN 0033410200 Contact Name:

Jihyeon Lee Contact Name:

Hyojung Lee Address:

5, Gangnam-daero 107-gil Address:

City/Province/Zip: Seocho-gu / Seoul / 06524 City/Province/Zip:

Telephone:

+82-2-2041-2794 Telephone:

Fax:

Email:

+82-2-2041-2730 Jihyeon@cresyn.com Fax:

Email:

10231 Slater Ave 211 Fountain Valley / Ca /

92708-4752 657-464-9572 N/A hjlee@cresyn.com Applicable Equipment: FCC ID: < V2R-PLATFORMDUO >

ATTN: Director of Certification:

We, <Cresyn Co., Ltd> and <PHIATON CORPORATION> understand and acknowledge the applicants consent and the designated agents obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, <Cresyn Co., Ltd> and <PHIATON CORPORATION> acknowledge the applicants acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant U.S. designated agent Name (Printed): Jihyeon Lee Name (Printed): Hyojung Lee Title: Manager Signature:

Title: Manager Signature:

Antenna Information Item Contents Antenna Type Loop Coil Antenna Antenna peak gain N/A Manufacturer / Model name WITS / H03010161A Test laboratory N/A Loop Coil Antenna

(ANT 1) Loop Coil Antenna

(ANT 2) Customer Wits Date Version 2022. 06. 07. Version 00 Product Spec. & Approval Sheet Product Name Tx Module for Wireless Charger Part Number Application Model H03010161A WWP-T2200 Coil Block Application Model ALMUS Single Coil Block Product Picture W2607 6.3uH10% (@1V, 100kHz) 42.0m20% (@1V,100kHz) 48.80.5 49.50.5 59.61.0

(From center of coil to end of lead) Max 2.6(Release paper included) Reviewer Reviewer 2 Approver Specification Ls(Inductance) Rs (Resistance) Block Ass'Y Width Length Lead Length Thickness Customer Drawing Wits Department

/ Name Data Sign Supplier Drawing Reviewer Approver Department

/ Name Development Team Development Team Development Team S.J Kwon D.M Moon E.G Jung Wits Data 2022. 06. 07. 2022. 06. 07. 2022. 06. 07. Sign 35, Hyungje-ro Namsa-myeon, Choin-gu, Yongin-si, Gyeonggi-do TEL : 070-4925-9512 , FAX : 070-4925-9699 LOT CN7, DIEM THUY IP(A AREA), HONG TIEN COMMUNE, PHO YEN TOWN,THAI NGUYEN PROVINCE, VIETNAM 24709ADDFactroyMAKERWITS CO., LTDTEL070-4925-9512H.Q35, hyungje-ro Namsa-myeon, Choin-gu, Yongin-si, Gyeonggi-doResearchCenterFloor 3, block B9, Maeyoung-ro, Yongtong-gu, Suwon-si, Gyeonggi-do Part Number : H03010161A Application Model : WWP-T2200 Coil Block Contents 1. Revision history 2. Product Specification 2.1. Product Drawing 2.2. Electrical Spec. 2.3. Coil Drawing 2.4. Winding Specification 2.5. Lot. Notation 2.6 Manufacturing Area 2.7 Part List 2.8 Raw Material Drawing 2.8.1 Coil Drawing 2.8.2 Ferrite Sheet Drawing 3. Manufacturing Process & Management Chart 4. Appearance Limit 5. Measuring Instrument List 6. Reliability test warranty conditions 7. Storage 2/10 Part Number : H03010161A Application Model : WWP-T2200 Coil Block Revision history Rev. N0. Date Rev. 00 2022. 06. 07 Contents First Released Page

Etc 3/10 Part Number : H03010161A Application Model : WWP-T2200 Coil Block 2. Product Specification 2. 1 Product Drawing

- Top view

- Side view

(Release paper included)

- Pic view W2607 2. 2 Electrical Spec. < CTQ >

NO. 1 2 Ls (Inductance) Rs (Resistance) CTQ CTQ

- LCR Meter - 1) Tong Hui TH2837LX (@ 1V, 100kHz) 2) HIOKI LCR Meter (@ 1V, 100kHz) 2. 3 Coil Drawing 6.3uH10%

42m20%

Parameter Outer Diameter Inner Diameter Thickness Number of Turns Symbol do di dc N Number of Layers

Value 44.01.5mm 20.50.5mm 2.10.5mm 10 1Layer or 2Layer /

Full Overlap Parameter Pad surface / coil distance Shielding agent/coil distance Shielding agent thickness Symbol dz ds

Value 1.75~2.5mm 1.0mm under 0.5mm upper 4/10 Part Number : H03010161A Application Model : WWP-T2200 Coil Block 2. 4 Winding Specification No Terminal No. Start Finish 1 1 1 Winding Wire USTC 0.08 105 Turns 10 Winding Method STANDARD SOLENOID

(Widing Direction : Counterclockwise)

* Wire Temp. Class : 155

* Solder Thermal Resistance : 3805 (Time : 3 sec) W2607 2. 5 LOT NUMBER Notation Lot : W 2 6 07

(1) (2) (3) (4) W2607

(1) Wits

(2) Production year : 0 ~ 9

(3) Production Month : 1 ~ 9, A, B, C (Oct : A, Nov : B, Dec : C)

(4) Production Day : 01~31 2.6 Manufacturing Site

(1) Wits(Vietnam Factory) : LOT CN7, DIEM THUY IP(A AREA), HONG TIEN COMMUNE, PHO YEN TOWN, THAI NGUYEN PROVINCE, VIETNAM 24709 2.7 Parts List No. Code Product Name Specification M01730036A Ferrite block 48.8 * 49.5 * 1.0T(Tape) H03010162A Coil Unit A11 Coil CW_, 1Layer 10turns 1 2 3 Vender EMI/

MOSTA Wits Q'ty 1EA 1EA Hazardous Substances PASS PASS M01020018A Bond AF04 BOSTIC 0.02g PASS 5/10 REFAIRFAILPASS Part Number : H03010161A Application Model : WWP-T2200 Coil Block 2. 8 Raw Material Drawing 2. 8. 1 Coil Drawing 6/10 Part Number : H03010161A Application Model : WWP-T2200 Coil Block 2. 8 Raw Material Drawing 2. 8. 2 Ferrite Sheet Drawing 7/10 Part Number : H03010161A Application Model : WWP-T2200 Coil Block 3. Manufacturing Process & Management Chart 8/10 Process flow chartSpecialCoilSMDMainNOProductcharacteristicMeasurement TechniqueManufacturingDepartmentQC1 Incoming raw materialsCTF3D Measuring MachineVisuallyVisuallyVisuallypinhole meter,voltage meterVisual, line diametermeasuring instrument3raw materials-C201Visually1JIGTension MeterThermometer2USTC WireCTFVernier callipers3CTFVernier callipers4CTFVernier callipersC40Dipping Fixture JIGDispenser1Dipping Fixture JIGDipping Fixture JIGCutting machine1A11 CoilCTF23SolderDipping Fixture JIG4CTF6Visual InspectionDimension JIGDispenser machine1A11 CoilVisual InspectionDimension JIG2FerriteVisual InspectionC70Press machine1Visual InspectionC80Thickness gauge/ GO NO JIG1Vernier callipers12Coil Ass'yCTQ3Coil Ass'yDimension JIGInk Making machine45Coil Ass'yVisual Inspection1Visual Inspection2CTQLCR Meter3CTQVernier callipers4CTQVernier callipers5CTQThickness gauge/ GO NO JIGProcessStepNumberProcess Name /OperationDescriptionMachine, Device, Jig,Tools for ManufacturingProduct / Process CharacteristicsControl MethodsReaction PlanRemarks (Special Process)ProcessstandardSample FrequencyIncoming partsItem/QuantityRelevant team notification and return1) Ferrite Size : 44.8 0.5 mm x 49.5 0.5 mm2) Ferrite Thickness : 1.0 0.1 mmSampling/LotImport inspection reportRelevant team notification and returnC10IQC1FerriteSize Selection/Return/Discard/SpecialExteriorCheck the condition based on the visual inspection2WireModelUSTC Wire 0.08*105 Strands (2UEW)SizeCheck the external condition (break, disconnection x)characteristicPin Hole :1M 18point underThickness1.16 0.03mm (1.13 ~ 1.19mm) (Overall Diameter)Hazardous Substance AnalysisAcquisition of environmental data report fromcertified institutions(ROHS, H/F, MSDS, Phthaltes, Sb)once/yearCertification body reportSampling/LotImport inspection reportC30Coil windingWinding machineReturnRaw material inputCheck the raw material input identification tag before inputCheck again after taking actionCoil windingWinding : 10 Turns1 LayerOuter/Inner Diameter InspectionEarly/Middle/Last 10ea(n=30ea/LOT)Daily Inspection Sheet Selection/disposalWinding equipmentsettingReference to work standards2 times/day Facility Daily Inspection Sheetequipment readjustmentCoil ThicknessInspectionCoil Thickness Check - Thickness : 1.15 0.1Sampling/LotDaily Inspection Sheet Selection and reconditioningCoil DimensionInspection1) Coil Size Check - Inner Diameter : 20.5 0.4mm - Outer Diameter : 43.5 0.4mmOuter/Inner Diameter InspectionEarly/Middle/Last 10ea(n=30ea/LOT)Daily Inspection Sheet Selection/disposalC50DippingDipping JIG Coil settledAlignment after WireLead CuttingCheck if the lead of the coil assembly is seated inthe designated position of the dipping fixture jig.Cutting proceeds according to the end of the wireseated on the Dipping Fixture JIG.Cutting standard: The standard at the bottom of thecoil that has been shaped: 11.51.0ALLDaily Inspection SheetMake a shape ofCoil Lead andbonding.Apply Bond at the designated location. (2 points)1) Coil lead application (replacement of fixed tape) Application amount: 0.010.002gDo not apply to the top of the coil based on theapplication direction.Lead shape shapingALLDaily Inspection Sheet Selection/disposalDippingSolder : H/FDipping Length : 3mm 1mmEarly/Middle/Last 10ea(n=30ea/LOT)Daily Inspection Sheetrefair / disposal Selection/disposalDipping machineDipping equipmentsettingReference to work standardsDaily Inspection SheetDaily Inspection Sheet Selection / refairTarr removal.Removal of foreign matter at the boundary betweencoil lead and dipping.There should be no damage to the coil lead orbreakage of the lead.ALLDaily Inspection Sheet Selection / refairC60 bondingNon-woven Tapeattach.Coil Visual CheckWire engraved/unwrapped should be less thanstandard.Coil twist/damage should be less than standard.Sheet damage / dents should be less than thestandard.ALLAttach the tape in the right position.Check tape attachment surface.ALLDaily Inspection Sheetrefair / disposalFerrite SheetassemblyCoil + Ferrite AssemblyCheck the coil seating position.The lead inside the coil should not be caught in thesheet.Check the sheet attachment method.The ferrite should be seated according to the hole ofthe JIG.ALLDaily Inspection Sheetrefair / disposalCoil Assy pressure.Coil Assy pressThickness measurement after pressure : Max 2.6mmALLDaily Inspection Sheetrefair / disposalC90ProductmeasurementLCR MeterLCR Meter Setting100KHz / 1VThickness CheckThickness CheckThickness : Max 2.6 (Release film include)ALLDaily Inspection Sheetrefair / disposalDimension CheckCheck the position marked on the JIG by placing theproduct at the reference point (left side of the jig) onthe Dimension JIGALLDaily Inspection SheetDaily Inspection SheetMeasureInductance &Resistance 1) Ls : 6.3uH10% (@1V, 100kHz) 2) Rs : 42.0m20% (@1V,100kHz)ALLDaily Inspection SheetVisual CheckCheck Lot Label Specifications.Check the final appearance of the product.ALLDaily Inspection SheetLot MakingCheck Lot Making SpecificationsLot Making Location CheckALLDaily Inspection Sheet Selection / refairVisual CheckWire engraved/unwrapped should be less thanstandard.Coil twist/damage should be less than standard.Sheet damage / dents should be less than thestandard.initial product3Lot ALL TestSampling(S-4, AQL 0.1)Daily Inspection SheetdisposalC100OQCCoil Ass'yDaily Inspection SheetdisposalMeasureInductance &Resistance 1) Ls : 6.3uH10% (@1V, 100kHz) 2) Rs : 42.0m20% (@1V,100kHz)initial product3Lot ALL TestSampling(S-4, AQL 0.1)Daily Inspection SheetdisposalControl PositionControl MethodThickness CheckThickness : Max 2.6 (Release film include)initial product3Lot ALL TestSampling(S-4, AQL 0.1)Daily Inspection SheetdisposalLength size checkinitial product3Lot ALL TestSampling(S-4, AQL 0.1)Daily Inspection SheetdisposalWidth size checkinitial product3Lot ALL TestSampling(S-4, AQL 0.1) Part Number : H03010161A Application Model : WWP-T2200 Coil Block 4. Appearance Limit 9/10 No.ReleaseRevisionVersion1. Purpose : The standard is applied at the time of shipment inspection to prevent the visual defects and leakage of defective products.2. Application : Only for H03010161A [WWP-T2200 Coil Block] 3. Compostion : Product SizeItemInstrument4. Inspection Method 1>. A inspector shall carry out the inspection with a finger coat after removing contaminants that can occur during inspection. 2>. A inspector shall do a visual inspection basically. When an unusual matter occurs, the inspector shall not judge alone but shall make a judgment after agreement with the engineer in charge. 3>. After use, the instrument should be in position. The inspector shall contact the quality team when the instrument is unusual.5. CriteriaCopperexposion - It occurs during winding orbending coil Accepted / - When the exposed part is 3mm or less - The copper exposure at the bottom ofthe solder part is classified as bad only whenthe wire is broken regardless of the length. Defective / - When the exposed part exceeds 3 Management of winding part andbending part are same.CoilLoosening - Coil is loosened by damage - Tape melts excessively due toheat during dipping Accepted / - Tape Melting without loosening is good During dipping, Tape Meting is aninevitable with sticking phenomenon Defective / -When coil is loosened more than 1/3 oftape widthLow lead - Wrong dipping condition - The coil end is cut excessively. Defective / - When the uniform coating area length isless than Solder Min. SPEC (Solder Length Spec : Max 4 )PoorPunching - It occurs when blanking film. Burr occurs due to poorpunching condition Defective / - When the outer diameter dimensionexceeds spec. - When the hole dimension is less thanspecPoorWinding - It occurs when widing coilsunder wrong winding conditionand foreign body is inserted inwinding Accepted / - when the gap is 0.5 or lesss Defective / - When the gap is over 0.5 - When foreign body is inserted in between coilsChipping - It occurs when cutting a ferritesheet - It is damaged indirectly byexternal damage Defective / - When the number of chipping defect ismore than 5 and its each size is less than 4.0. - When the size exceeds 4.0 Surfaceexposure - Poor Film Lamination Defective / - When the exposed area of edge exceeds5 In case of simple exposure due topoor adhesionPictureForeignMatter - Poor lamination Foreign matter or airbubbles are inserted whenattaching the film Accepted / - When the foreign body is not inserted butsimply air bubbles are generated - Up to 2 bubbles within 3 inlongitudinal direction Defective / - When foreign matter is inserted, it isdefective regardless of size and quantity. - When air bubbles are out of the range of3 mm in the longitudinal directionFerriteSheetCauseCriteriaExceptionCoildamage - Damage due to physical forceduring handling Accepted / - When the copper wire is not broken andthe damage is 3 mm or less in thelongitudinal direction. Manage the winding and bending part thesame (see photo on the right) Defective / - When copper wire is broken regardless ofits length (bare copper wire)FerriteSheetFilmDamage Accepted / - When the surface of the ferrite sheet is not exposed Defective / - When the surface of the ferrite sheet is exposedWhen it is damaged Indirectly byexternal damagesContamination -Coil and ferrite surfaces arecontaminated Adhesive tape stain Contamination due to careless handling Defective / - Size should be irrelevant Both coil and ferrite are subject toinspection. - Discoloration of the surface ofthe coil by acetone and the milkywhite crumbs generated duringcuring are judged to be non-defective.DefectTypeAss'yCoil Lead Length59.61.0 From center of coil to end of leadThicknessMax 2.6 UpperCoil and Under Coil Overlap forarea Thickness.(Release film include)Width48.80.5 Measure width of ferrite sheetLength49.50.5 Measure length of ferrite sheetInspection itemSpec.Inspection MethodDrawingVisual Inspection Standard( H03010161A [WWP-T2200 Coil Block]-00If there is no disconnection of copper wire(Within 3 inlongitudinal direction)NoLosseningWhenthere is no bare copper wireWhen exposed part is 3mm or less(Release paper included) Part Number : H03010161A Application Model : WWP-T2200 Coil Block 5 Measuring Instrument List No. Instrument Name Purpose of Use 1 2 LCR Meter TONG HUI : TH2837LX LCR Meter HIOKI LCR Meter Inductance check Resistance check 6. Reliability test warranty conditions No Test item 1 Temperature Cycle Test 2 3 Humidity Test Salt Spray Test

< LCR Meter>

Test condition

-40 5 85 5,

-40 85 30 min. Preceding descriptions condition 1 cycle application 72 cycle enforcements Under the condition of normal temperature measuring data after keeping more than 12Hr Temperature: 80, Humidity: 80% RH, Time: 120Hr Salt concentration 50.5% /

352 / PH 6.2~7.2 8 Hrs Spray / 16 Hrs Waiting

/ 3 Cycle(72 Hrs) 7. Storage

-. Temperature: -45~40

-. Humidity: Less then 70%RH

-. Warranty is within 12 months after shipment

-. Operating Temperature: -40~85 Specification Initial Inductance within 10%

10/10