Sumida Iv25185 Oz960 Tpc8406 Ap4511 Inverter

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  • P/N

    TYPE

    Crystage Incorporation

    ( ) Preliminary Specification

    ( ) Final Specification

    Title CCFL

    P/N IV25185/T-LF

  • P/N

    TYPE

    Crystage Incorporation

    1

    1

    RMA

    [email protected]

  • P/N

    TYPE

    Crystage Incorporation

    Engineering Change Notice

  • P/N

    TYPE

    Crystage Incorporation

    FAX E-mail

  • RECORD ALTERATIONPART NO SUMIDA TYPE

    SPECIFICATION H05-400-5052 IV25185/T-LFALTERED ALTERED REVISED ALTERED REV SIGNATURESYMBOL DATE DESCRIPTION CONTENT

    2008/06/24 FIRST REV 1A2008/10/27 1.By customer requirement 1.To update packing drawing 1A

    *** Altered symbol : Altering in alphabetical order which indicated in the end of specification number or under it.

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 1/17

    TWS-463-041A B C D E F G H I J

    Jerry_linJerry_lin

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPESPECIFICATION IV25185/T-LF

    SPECIFICATION CONTENT LIST

    NO ITEM1 RECORD ALTERATION2 SPECIFICATION CONTENT LIST3 CONNECTOR PIN ASSIGNMENT4 ELECTRICAL CHARACTERISTICS5 TEST CIRCUIT AND MEASURING INSTRUMENTS6 SCHEMATIC CIRCUIT7 PCB DIMENSION8 PCB LAYOUT9 BOM LOCATION LIST

    10 SPECIAL EVENT & REV11 TRANSFORMERS SPECIFICATION12 TRANSFORMERS STRUCTURE AND MATERIALS13 TRANSFORMERS GENERAL CHARACTERISTICS14 INVERTER GENERAL CHARACTERISTICS15 PACKING SPECIFICATION16 MATERIALS UL FILE

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 2/17

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  • DC-AC PART NO : H05-400-5052 INVERTER UNIT SPECIFICATION TYPE : IV25185/T-LF

    1. Application :

    This is a DC-AC inverter unit to drive CCFL backlight lamp.Lamp used : TFT for 2 CCFL lamp

    2. Connector pin assignment :

    Input : CN1Model No. : S5B-PH-SM4-TB(LF) or LM312A005TF13 or LM312005TF13Supplier : JST or UNICORN or UNICORN

    PIN SYMBOL DESCRIPTION1 VIN Supply Voltage (+12V)

    2,4 GND Ground3 VADJ Brightness Control ( 0 ~5V )5 ON/OFF INVERTER LAMP ON/OFF ( 5V )

    "High" ON , "Low" OFF

    Output : CN2,3Model No. : SM02(8.0)B-BHS-1R-TB(LF) or 88222-02001Supplier : JST or ACES

    PIN SYMBOL1 H.V Output HIGH VOLTAGE2 H.V Return RETURN

    3. Weight :

    Approximately 31.5 gm.

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 3/17

    TWS-463-041

    DESCRIPTION

    SUMIDA CODE

    TAIWAN SUMIDA ELECTRONICS INC.

  • DC-AC TYPE INVERTER UNIT SPECIFICATION IV25185/T-LF

    4. Electrical characteristics :

    Vin= 12V 5%

    4-1: Max Brightness ( Vadj: 0.0V , Load:76KX2 ) ( Room temperature 25 3 )

    SYMBOL MIN TYP MAX UNIT REMARKInput voltage Vin ---- 12 ---- VInput current Iin 640 940 1240 mA Vin = 12 VFrequency f 45 50 55 KHZ Load=76KX2Output current Iout 7.5 8.0 8.5 mArmsOutput open Vopen 1400 ---- 1800 Vrms No Loadvoltage

    4-2: Min Brightness ( Vadj: 5.0V , Load:76KX2 ) ( Room temperature 25 3 )

    SYMBOL MIN TYP MAX UNIT REMARKInput voltage Vin ---- 12 ---- V Vin = 12 VInput current Iin 100 200 300 mA Load=76KX2Output current Iout 3.0 3.5 4.0 mArms

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 4/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

  • DC-AC TYPE INVERTER UNIT SPECIFICATION IV25185/T-LF5. Test circuit :

    Vin = 12V, Load1,2 = 76K, R1,2=100

    6. Measuring instruments :

    DC POWER SUPPLY : MODEL GPC-3030D GW DC AMPERE METER : TYPE 2051 CLASS 1 YOKOGAWA AC AMPERE METER : MODEL 2016 YOKOGAWA DIGITAL MULTI-METER : FLUKE 45

    7. Enviornmental condition :

    STORAGE TEMPERATURE RANGE: -25+70 OPERATING ENVIRONMENTALTEMPERATURE RANGE: 050 STORAGE ENVIRONMENTAL HUMIDITY : 90% MAX.(WITHOUT ICE OR DEW.MAX.WET-BULB TEMPERATURE IS 35) OPERATING ENVIRONMENTAL HUMIDITY:85% MAX.(WITHOUT ICE OR DEW,MAX.WET-BULB TEMPERATURE IS 35) NOTE:ABOVE MENTIONED TEMPERATURE & HUMIDITY MEAN THE ONES OF THE POSITION WHERE THE UNIT PUT,BUT

    NOT THE ONES OF THE ENVIRONMENT WHERE THE SYSTEM WITH THIS UNIT WORKS.

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 5/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

    RoHSComplianceCd:MAX0.01wt%Others:MAX0.1wt%

  • TYPEIV25185/T-LF

    CIRCUIT

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 6/17

    TWS-463-041

    SPECIFICATION

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPEIV25185/T-LF

    DIMENSION (UNIT : mm)

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 7/17

    TWS-463-041

    SPECIFICATION

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPEIV25185/T-LF

    LAYOUT

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 8/17

    TWS-463-041

    SPECIFICATION

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPE : SPECIFICATION IV25185/T-LF

    Part Ref. Part Type Material QTY RemarkR1,14 RESISTOR 5.1K(0603)1% 2 YAGEO,WALSINR2 270K(0603)1% 1 YAGEO,WALSINR3,7 22(0603)1% 2 YAGEO,WALSINR4 360K(0603)1% 1 YAGEO,WALSINR5 115K(0603)1% 1 YAGEO,WALSINR6,24 10K(0603)1% 2 YAGEO,WALSINR8,12 100K(0603)1% 2 YAGEO,WALSINR9 62K(0603)1% 1 YAGEO,WALSINR10,19 680(0603)1% 2 YAGEO,WALSINR11 330K(0603)1% 1 YAGEO,WALSINR13,21 390(0603)1% 2 YAGEO,WALSINR15 OPEN 1R16,17,18 1M(0603)1% 3 YAGEO,WALSINR20 51K(0603)1% 1 YAGEO,WALSINR22 510K(0603)1% 1 YAGEO,WALSINR23 18K(0603)1% 1 YAGEO,WALSIN C1,26 CAPACITOR 25V/47u 2 RUBYCONC2,18 0(2010)5% 2 YAGEO,WALSINC3 4.7uf,25V,(X7R,10%,1210) 1 TDK,MURATA,HEC,

    WALSINC4,21 12PF/3KV/1808 2 JOHANSON,HEC

    WALSINC5,15 0.047uf,25V, (X7R,10%,0805) 2 MURATA,TDK,TAIYOYUDEN

    WALSIN,PHYCOMPC6,22 0.018uf,50V, (X7R,10%,0805) 2 MURATA,TDK,WALSIN,

    PHYCOMPC7 220P,50V, (NPO,5%,0603) 1 MURATA C8,16,20 0.01uf,50V,(X7R,10%,0603) 3 MURATA,TAIYOYUDEN,

    TDK,WALSIN,PHYCOMPC9 1uf,10V, (Y5V,+80,-20%,0603) 1 MURATA,TDK,HEC,

    TAIYOYUDEN,WALSINC10 0.47uf,16V,(Y5V,+80,-20%,0603) 1 MURATA,TAIYOYUDEN,

    TDK,WALSINC11 2.2uf,16V, (Y5V,+80,-20%,0805) 1 MURATA,TAIYOYUDEN,

    TDK,WALSIN

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO 9/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPE : SPECIFICATION IV25185/T-LF

    Part Ref. Part Type Material QTY RemarkC12 6800P,50V,(X7R,10%,0603) 1 MURATA,PHYCOMP,

    TDK,WALSINC13,14,24 0.1uf,50V,(X7R,10%,0805) 3 TDK,PHYCOMP,MURATA,

    TAIYOYUDEN,WALSINC17 1500P,50V,(X7R,10%,0603) 1 MURATA,PHYCOMP,

    TDK,WALSIN,TAIYOYUDENC19,23 0.22uf,16V, (Y5V,+80,-20%,0603) 2 TDK,MURATA,PHYCOMP,

    TAIYOYUDEN,WALSINC25,27,28 OPEN 3

    D1,3 DIODE RLZ5.1BTE11 2 ROHMD2 RLZ5.6CTE11 1 ROHMD4 OPEN 1D5,6,7,8 RLS4148TE11 4 ROHMD9 1SS355TE17 1 ROHM

    KDS4148U KECCR1,2,3,4 DAN217T146 4 ROHM

    KDS226 KECQ1 TRANSISTOR SST3904T116 1 ROHM

    MMBT3904_NL FAIRCHILD2N3904S KEC

    Q2,3,4,5 RK7002T116 4 ROHM2N7002A KEC

    U1,3 IC TPC8406-H-Q 2 TOSHIBAAP4511GM APEC

    U2 OZ960SN 1 O2 MICROF1 FUSE R451,2A 1 LITTEL

    TR2-6125FF2-R BUSSMANNCN1 CONNECTOR S5B-PH-SM4-TB(LF) 1 JST

    LM312A005TF13 UNICORNLM312005TF13 UNICORN

    CN2,3 SM02(8.0)B-BHS-1R-TB(LF) 2 JST 88222-02001 ACES

    PWB PWB PWB-IV25185T/U1-E-LF 1 CHEER TIME,XF-UTPCBPWB-IV25185T/U1-LF

    T1,2 TRANSFORMERS CL-25185TDZ-LF 2 SUMIDA (CIOH175/TW)LABEL LABEL LAB-9X26ZC-W-LF 1 FOUR PILLARS

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO 10/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPESPECIFICATION IV25185/T-LF

    Special events

    1. Every finished goods should be stamped SUMIDA LabelLabel definition please refer to TWS-800-003

    2. Label position

    ***Pictures below is only for the references of label position.

    BOTTOM

    CHK CHK DRG SAMPLE NO H05-400-5052 SPEC NO 11/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

  • CUSTOMER:

    1. DIMENSION (UNIT mm) STAMP,DATE CODE

    DATE CORE

    * DIMENSION DOES NOT INCLUDE SOLDER USED ON COIL. * DIMENSION WITHOUT TOLERANCE ARE APPROX. * INCLUDE PART OF ADHESIVE.

    2. CONNECTION (BOTTOM) 3. TURNS,WIRE AND COREPIN 5-2 7-9TURNS 25 T 2240 TWIRE 0.24UEW 0.04UEWCORE EP : NC2H OR EQUIVALENT

    4. ELECTRICAL CHARACTERISTICS

    750 mH 25 WITHIN 850 15 WITHIN WITHIN

    5.NOTE * WHENEVER YOU USE THIS COIL, PLEASE PUT THE SOLDER TO ALL TERMINAL. * (3-4) TO BE SHORTED WHEN USING. * THE MAX. OPEN VOLTAGE BETWEEN IS 1800Vrms, PLEASE PAY ATTENTION WHEN USING. * RECOMMENDED REFLOW CONDITION TO BE ACCORDING TO S-074-5003. * POWER RATE 6 WATTS. (O2 MICRO IC)

    SUMIDA CODE SAMPLE NO : H05-400-5052CHK. CHK. DRG. DRG. NO. 12/17

    TWS-463-041

    1 kHzD.C.R 20

    TAIWAN SUMIDA ELECTRONICS INC.

    LEAKAGE INDUCTANCE 1 kHz

    INDUCTANCE

    SPECIFICATION

    SUMIDA TYPE CIOH175/TW PART NO. CL-25185TDZ-LF

    ( 7 - 9 ) MEASURING CONDITION

    LFF109

  • TYPESPECIFICATION CIOH175/TW

    STRUCTURE

    MATERIALSPART NAME MATERIAL PRODUCTION MANUFACTURE

    1 BASE LCP RESIN SUMITOMO CHEMICAL CO LTDE5008L UL No.E54705

    2 TERMINAL PHOSPHOR BRONIE SUMIDA ELECTRIC CO., LTD.(SOLDER PLATED)

    3 CORE FERRITE CORE NIPPON CERAMIC CO., LTD.NC2H OR EQUIVALENT

    4 WIRE POLYURETHANE ENAMELEDCOPPER WIRE UL FILE NO E79028 UL FILE NO E82222 UL FILE NO E81427 UL FILE NO E94931

    5 INSURA TING TAPE PIS-0651 TERAOKA CORPUL FILE NO E237519

    6 SPACER NO. TRK631S TERAOKA CORPUL FILE NO E56086

    7 COVER LCP RESIN SUMIDA ELECTRIC CO., LTD.E6008 UL No.54705

    8 ADHESIVE EPOXY RESIN NAGASE CIBA CO.,LTD.

    SAMPLE NO : H05-400-5052CHK. SPEC NO. 13/17

    TWS-463-041

    CHK. DRG.

    TAIWAN SUMIDA ELECTRONICS INC.

    RIKEN ELECTRIC WIRE CO LTDSUMITOMO ELECTRIC WINTEC INCFUJI FINE CO LTDSHIN-ETSU ELECTRIC WIRE CO LTD

  • TYPECIOH175/TW

    1. STORAGE TEMPERATURE RANGE: -40 ~ +100

    2. OPERATING TEMPERATURE RAN : -20 ~ +100 (CONTAIN HEATING COIL)

    3. EXTERNAL APPERANCE : THERE SHOULD BE NO CRACK, FRAGMENT, STAIN, BEND, RUST AND REMARKABLYDAMAGES WHEN CHECKED THROUGH THE EYES.

    4. FIXING STRENGTH : NO APPARENT AT 5.0N(0.51kgf) FROM THREEORIENTATIONS (PUSH) FOR 605 SECONDS.WHEN FIXED BY SOLDER ON THE COPPER PLATE.

    5. HEAT ENDURANCE TEST : REFER TO S-074-1516.

    6. INSULATING RESISITANC: OVER 100M AT 100V D.C. BETWEEN COIL-CORE.

    7. DIELECTRIC STRENGTH : NO APPARENT AT 2500Vrms(50Hz OR 60Hz) A.C. FOR 1 MINUTE BETWEENCOIL-COIL,COIL-CORE.

    8. HUMIDITY TEST : NO MECHANICAL, ELECTRIC ABNORMALITY UNDER TESTING CONDITION WHICHAFTER 96 HOURS IN 90~95 RELATIVE HUMIDITY WITHIN 402 AND 1 HOURDRYING UNDER NORMAL CONDITION.

    9. VIBRATION TEST : NO MECHANICAL, ELECTRIC ABNORMALITY UNDER TESTING CONDITION WHICHAFTER PUTTING SWEEP VIBRATION (VIBRATION FREQUENCY 10~55~10Hz, AMPLITUDE1.5 mm, INTERVAL OF 1 MINUTE.) FOR 3 DIMENSIONS EACH 1 HOURS.

    10. SHOCK TEST : NO MECHANICAL, ELECTRIC ABNORMALITY UNDER TESTING CONDITION WHICHAFTER DROP DOWN WITH 981m/s2(100G) SHOCK ATTITUDE UPON A RUPPER BLOCK METHOD SHOCK TESTING MACHINE, FOR 1 TIMES, IN EACH OF THREE ORIENTATIONS.

    11. TEST CONDITION : UNLESS OTHERWISE SPECIFIED, TEST SHOULD BE CONDUCTED UNDER NOMALTESTING CONDITION OF TEMPERATURE OF 202 AND RELATIVE HUMIDITYOF 655. JUDGMENT TEST MAY BE CONDUCTED IN THE RANGE OF TEMPERTUREOF 5~35 AND RELATIVE HUMIDITY OF 45~85 PROVIDED THAT THERE ARISESSOME DOUBT.

    12. INDICATION : PART NUMBER AND LOT NUMBER SHALL BE STAMPED ON THE PLACE AS SHOWN INTHE ABOVE DRAWING.

    13. PACKING : THE SMALLEST PACKING WITH PART NO INDICATED TO BE USED. PACKING MAYCONSIDERED TO AVOID DAMAGE CAUSED DURING TRANSPORTATION AND STORAGE.

    SAMPLE NO H05-400-5052CHK. CHK. SPEC NO. 14/17

    TWS-463-041

    GENERAL CHARACTERISTICS

    ORG.

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPESPECIFICATION IV25185/T-LF

    1GENERAL CHARACTERISTICS (THIS IS TEMPORARY CHARACTERISTICS,THE FORMAL RESULT WILL BE REACHED AFTER FINISHING THE TEST)

    2. HIGH TEMPERATURE :NO STRUCTURE AND ELECTRIC DEFECTS CAN BE FOUND AFTER 24012 HOURS STORAGE STORAGE TEST UNDER THE CONDITION OF TEMPERATURE OF 602,AND 1 HOUR STORAGE UNDER ROOM AMBIENT CONDITIONS AFTER WHICH UNIT IS TESTED WITHIN THE NEXT 2 HOURS. 3. LOW TEMPERATURE :NO STRUCTURE AND ELECTRIC DEFECTS CAN BE FOUND AFTER24012 HOURS STORAGE STORAGE TEST UNDER THE CONDITION OF TEMPERATURE OF -203,AND 1 HOUR STORAGE UNDER ROOM AMBIENT CONDITIONS AFTER WHICH UNIT IS TESTED WITHIN THE NEXT 2 HOURS.

    4. HIGH TEMPERATURE :NO STRUCTURE AND ELECTRIC DEFECTS CAN BE FOUND AFTER 24012 HOURS TEST OPERATING LIFE TEST UNDER THE CONDITION OF TEMPERATURE OF 502 IN OPERATING STATE,AND

    1 HOUR OPERATING UNDER ROOM AMBIENT CONDITIONS AFTER WHICH UNIT IS TESTED WITHIN THE NEXT 2 HOURS.

    5. LOW TEMPERATURE :NO STRUCTURE AND ELECTRIC DEFECTS CAN BE FOUND AFTER 2408 HOURS TEST OPERATING LIFE TEST UNDER THE CONDITION OF TEMPERATURE OF 03 IN OPERATING STATE,AND

    1 HOUR OPERATING UNDER ROOM AMBIENT CONDITIONS AFTER WHICH UNIT IS TESTED WITHIN THE NEXT 2 HOURS.

    6. HUMIDITY TEST :NO STRUCTURE AND ELECTRIC DEFECTS CAN BE FOUND AFTER 2408 HOURS TEST UNDER THE CONDITION OF RELATIVE HUMIDITY OF 90~95% AND TEMPERATURE OF402, AND 1 HOUR STORAGE UNDER ROOM AMBIENT CONDITIONS AFTER WHICH

    UNIT IS TESTED WITHIN THE NEXT 2 HOURS.

    7. SHOCK TEST : NO STRUCTURE AND ELECTRIC DEFECTS AFTER THE TEST WITH GOM-BLOCK SHOCK TESTING MACHINE, 3 TIMES IN EACH OF THE THREE PERPENDICULAR AXIS

    DIRECTIONS. THE SHOCK ACCELERATION IS 735.75m/s(75G).

    8. VIBRATION TEST :NO STRUCTURE AND ELECTRIC DEFECTS AFTER 1 HOUR SWEEPING VIBRATION IN EACH THREE DIRECTIONS, NAMELY, FORWARD AND BACKWARD, UP AND DOWN,RIGHT

    AND LEFT.THE FREQUENCY IS 1055Hz AND THE AMPLITUDE OF 1 MINUTE CYCLE IS 1.5mm PP. 9. THERMAL SHOCK TEST : SPECIMEN IS SUBJECT TO -203 FOR 30 MINUTES HEARAFTER IT IS SUBJECT TO

    702 FOR 30 MINUTES.(TRANSITION TIME IS 1 MINUTE MAXIMUM.)THISCONSTITUES ONE CYCLE.AFTER 100 CYCLES,IT IS THEN LEFT IN ROOM TEMPERATURE FOR 1 HOUR.AFTER WHICH SPECIMEN IS TESTED WITHIN THE NEXT 2 HOURS AND THE DIFFERENCE FORM INITIAL RESULT CHECKED.THERE SHALL BE NO STRUCTURE AND ELECTRIC DEFECTS.

    CHK CHK DRG SAMPLE NO H05-400-5052SPEC NO: 15/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

  • TYPE IV25185/T-LF

    PACKING PRODUCT SHOULD BE PUT INTO ANTI-STATIC POLYESTER BAG THEN PACKED INTO CARTON BOX,

    OUT OF WHICH LABELLED SHOWING PART NO., SPEC.NO., LOT NO., etc.

    PS.Carton needs topaste RoHS label.

    CHK CHK DRG SAMPLE NO : H05-400-5052SPEC NO: 16/17

    TWS-463-041

    TAIWAN SUMIDA ELECTRONICS INC.

    SPECIFICATION

    ANTI-STATIC : EP18BOX : 157,E002

  • TYPESPECIFICATION IV25185/T-LF

    MATERIALS UL FILE

    Part Name Material PART NO Production Manufacture1 PRINTED V-0 DS1 SHANGHAI XF-UTPCB.,LTD

    WIRING BOARD UL File NO. E220742V-0 66 CHEER TIME ENTERPRISE CO.,LTD UL File NO. E142470

    2 CONNECTORCN1 LR20812 94V-0

    UL FILE NO E60389 PH JST

    UL FILE NO E202182 LM312

    UL FILE NO E202182 LM312A

    CN2,3 LR20812 94V-0 UL FILE NO E60389 BHS JSTTE250F6 94V-0 UL FILE NO E205655 88222 ACES

    3 FUSE CLASS 142201 R451 LITTEL UL FILE NO.E10480

    UL FILE NO.E19180 6125FF COOPER BUSSMANN INC4 T1,2 Transformers94V-0 E5008L SUMITOMO CHEMICAL CO LTD

    base UL FILE NO E54705

    5 T1,2 Transformers94V-0 E6008 SUMITOMO CHEMICAL CO LTDcover UL FILE NO E54705

    6 T1,2 UL FILE NO E79028 UL FILE NO E82222 SUX UL FILE NO E81427 PSW-H UL FILE NO E94931

    7 Polyester Film Tapetape UL FILE NO.E237519 PIS-0651 UNIVACCO TECHNOLOGY INC

    CHK CHK DRG SAMPLE NO : H05-400-5052 SPEC NO 17/17

    TWS-463-041

    Transformers wire

    UNICORN ELECTRONICS COMPONENTS CO LTD

    T1,2 Transformers

    TAIWAN SUMIDA ELECTRONICS INC.

    SHIN-ETSU ELECTRIC WIRE CO LTDSPEW

    HSEW-H

    UNICORN ELECTRONICS COMPONENTS CO LTD

    RIKEN ELECTRIC WIRE CO LTDSUMITOMO ELECTRIC WINTEC INCFUJI FINE CO LTD