Dongguan Uchi Electronics Co.,Ltd.

Manufactuer of varistor,temperature sensor,thermistor,fuse and resistor !

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Dongguan Uchi Electronics Co.,Ltd. Quality Control

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Certification
China Dongguan Uchi Electronics Co.,Ltd. certification
China Dongguan Uchi Electronics Co.,Ltd. certification
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QC Profile

Our production line proceed with ISO 9001 2008 Quality system and all our product test comply with ROHS,UL standard in order to supply customer good quality product as accordingly !

 

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Test Item Test Standard Test method Performance requirements
Zero Power Resistance IEC 60539-1 Immerse samples in the constant temperature bath at 25℃±0.005℃,test steady resistance

Resistance tol ±1%

 

B value IEC60539-1 Immerse samples in the constant temperature bath at 25℃,50℃(or 85℃), test steady resistance,and calculate B value

Resistance tol ±1%

 

Free fall

IEC60068-2-32

 

Fall height: 1.5±0.1m,Surface: Cement , 1 time

No obvious damage, R25 △R/R≤±1%

 

Insulation

IEC60539-1

 

500V pressure on insulation shell test insulation resistance

>500MOhm

 

Withstand voltage IEC60539-1

Withstand voltage: 1500V/AC ,Leakage current:2mA Lasting: 60sec

 

No obvious damage

 

Tension IEC60068-2-21

Pull uniform speed at the end, F>4.0KG(requested by customer)

 

No obvious damage, R25 △R/R≤±1%

 

Vibration Q/HBm 108-94 Test frequency: 10~500Hz,swing: 1.2mm acceleration: 30m/s2 Direction X,Y,Z Time:8Hour/direction

No obvious damage, R25 △R/R≤±1%

 

Steady humidity and heat IEC60068-2-78 Temp:40±2℃ Humidity:92-95%RH Time:1000±24Hour

No obvious damage, R25 △R/R≤±1%

 

Thermal time constant EC60539-1 Immerse in 25℃ water,after thermal balance,immerse in 85℃,resistance arrives 63.2%,calculate total time

<10 sec

 

High temperature storage IEC60068-2-2 Temp:125℃±5℃ Time: 1000±24Hour No obvious damage, R25 △R/R≤±1%
Cold and thermal shock IEC60068-2-14

-40℃~+125℃ T1:30min Cycle time:1000

 

No obvious damage, R25 △R/R≤±1%

 

Knock experiment IEC60068-2-77

Acceleration:250m/s2 Pulse lasting: 6ms Knock times: 1000 Recovery time: 2 Hour

 

No obvious damage, R25 △R/R≤±1%

 

Low temperature storage IEC60068-2-1

Temp: 40±2℃ Time: 1000±24Hour

 

No obvious damage, R25 △R/R≤±1%

 

Salt spray IEC60068-2-11 Temp: 35±2℃ Collection hour : 1.0mL~2.0mL Time: determine per as actual demand

No obvious damage, R25 △R/R≤±1%

 

Certification
  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:REACH Or SGS(SVHC)

    Number:CANEC2002313201

    Issue Date:2020-03-14

    Expiry Date:2020-04-14

    Scope/Range:NTC Thermistor

    Issued By:SGS GROUP

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:UL

    Number:E317616

    Issue Date:2011-07-14

    Expiry Date:2019-07-14

    Scope/Range:05D,07D,10D,14D,20D,25D,32D

    Issued By:Underwriters Laboratories Inc.

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:VDE

    Number:40028836

    Issue Date:2009-11-25

    Expiry Date:2015-11-25

    Scope/Range:05D,07D,10D,14D,20D

    Issued By:VDE Pruf-und Zertifizierungsinstitut GmbH

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:CQC

    Number:CQC1001040611

    Issue Date:2010-01-20

    Expiry Date:2015-01-20

    Scope/Range:Metal Oxide varistor 7D

    Issued By:CHINA QUALITY CERTIFICATION CENTRE

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:CSA

    Number:1352955(LR 115266)

    Issue Date:2013-04-12

    Expiry Date:2015-04-12

    Scope/Range:Metal Oxide varistor 5D & 7D

    Issued By:CSA INTERNATIONAL

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:ISO 9001:2008

    Number:UQ101392R0

    Issue Date:2011-11-25

    Expiry Date:2014-11-25

    Scope/Range:Varistor,thermistor and deguassing resistor

    Issued By:Beijing United Intelligence Certification Co.,Ltd.

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:SGS

    Number:CANEC1304860002

    Issue Date:2013-04-18

    Expiry Date:2015-04-18

    Scope/Range:Metal Oxide Varistor All type

    Issued By:SGS-CSTC Ltd.

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:SGS(SVHC)

    Number:CANEC1309502701

    Issue Date:2013-07-08

    Expiry Date:2015-07-08

    Scope/Range:Metal Oxide Varistor All type

    Issued By:SGS-CSTC Ltd.

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Guangdong Province Famous and High quality

    Number:Z02J-GD-SY2762

    Issue Date:2013-09-01

    Expiry Date:2016-09-01

    Scope/Range:COMPANY

    Issued By:The Chinese quality supervision committee

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Trademark Registration Certificate

    Number:5630193

    Issue Date:2009-08-21

    Expiry Date:2019-08-20

    Scope/Range:9 electronics

    Issued By:The trademark office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:NON-GOVERMENT RUN SCIEN

    Number:20122701076

    Issue Date:2012-05-02

    Expiry Date:2022-05-02

    Scope/Range:guangdong province

    Issued By:Dongguan Science And Technology

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:CCPIT

    Number:134403A0/54259

    Issue Date:2013-07-26

    Expiry Date:2018-02-07

    Scope/Range:9 electronics

    Issued By:CCPIT

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Guangdong Province Star Enterprises

    Issue Date:2011-06-20

    Expiry Date:2021-06-20

    Scope/Range:COMPANY

    Issued By:Alibaba Group

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Guangdong Province Excellent Independent Brand

    Issue Date:2012-12-07

    Expiry Date:2018-02-07

    Scope/Range:COMPANY

    Issued By:Federation Of Enterprises In Guangdong Province

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Utility Model Patent

    Number:zl201120480909.3

    Issue Date:2011-11-28

    Expiry Date:2021-11-28

    Scope/Range:Photoresistor

    Issued By:the State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Trademark registration certificate

    Number:9323821

    Issue Date:2012-06-21

    Expiry Date:2022-06-20

    Scope/Range:35

    Issued By:The trademark office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:the Patent of appearance design

    Number:1734418

    Issue Date:2011-05-05

    Expiry Date:2021-05-05

    Scope/Range:mov varistor

    Issued By:the State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Utility Model Patent

    Number:2328732

    Issue Date:2012-08-01

    Expiry Date:2022-08-01

    Scope/Range:Photoresistor

    Issued By:the State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Utility Model Patent

    Number:2328934

    Issue Date:2012-08-01

    Expiry Date:2022-08-01

    Scope/Range:varstor

    Issued By:he State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:the Patent of appearance design

    Number:2307372

    Issue Date:2013-01-23

    Expiry Date:2023-01-23

    Scope/Range:earphone

    Issued By:The State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:the Utility Model Patent

    Number:2668623

    Issue Date:2013-01-23

    Expiry Date:2023-01-23

    Scope/Range:earphone

    Issued By:The State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Utility Model Patent

    Number:2338573

    Issue Date:2012-08-01

    Expiry Date:2022-08-01

    Scope/Range:NTC thermisor

    Issued By:The State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:the Utility Model Patent

    Number:2504256

    Issue Date:2012-11-14

    Expiry Date:2022-11-14

    Scope/Range:fuse

    Issued By:The State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:the Patent of appearance design

    Number:1773817

    Issue Date:2011-12-21

    Expiry Date:2021-11-21

    Scope/Range:ntc thermistor

    Issued By:The State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Utility Model Patent

    Number:2338573

    Issue Date:2012-08-01

    Expiry Date:2022-08-01

    Scope/Range:ntc thermistor

    Issued By:the State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:patent for invention

    Number:20111072265.6

    Issue Date:2011-09-01

    Expiry Date:2021-09-01

    Scope/Range:ptc thermistor

    Issued By:The State Intellectual Property Office of the People's Republic of China

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Keep the contract heavy credit enterprise in guangdong province

    Issue Date:2013-06-01

    Expiry Date:2023-06-01

    Scope/Range:guangdong province

    Issued By:Dongguan city administration for industry and commerce

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:Export membership

    Issue Date:2010-01-06

    Expiry Date:2021-01-06

    Issued By:alibaba

  • China Dongguan Uchi Electronics Co.,Ltd. certification

    Standard:RoHS

    Number:A2190109541101001E

    Issue Date:2019-05-16

    Expiry Date:2020-05-16

    Scope/Range:NTC THERMISTOR

    Issued By:Centre Testing International Pinbiao(Shanghai) Co., Ltd.

Contact Details
Dongguan Uchi Electronics Co.,Ltd.

Contact Person: Mr. James

Tel: 18925858717

Fax: 86-769-85625751

Send your inquiry directly to us