Southern Electronic Elements Factory is a supplier with fully independent and synchronous development capabilities, who can provide perfect solution for automotive manufactures.

Automotive Electronic Solutions:
We have more than 20+ years of production experience in the production of automotive electronic components. We  operates with IATF16949 system standards to provide customized inductors and resistors for well-known automotive manufacturers, to solve their all kinds of problems such as surge protection and EMC filtering during automotive charging, improve automotive reliability, and provide a clean electromagnetic environment for automotive.

Testing Instruments:
We are using superior equipment to ensure product quality. We are now using MNIPAL4X-ray fluorescent spectroscope (made in PHILIPS Holand) to guarantee the products with ROHS EU co-mpliance. We are holding more than 300 sets of all kinds of electronic testing instruments (e.g. HP4192A,made in HP, USA) and more than 200 sets of automatic winding machines, ring winding machines made in Taiwan.
Inductor
Rod Inductor (3*17-4uH)
Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-A)Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-A)
未标题-2.jpgFilter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-A)

ITEM

STANDARD

Test Conditions

Operatingtemperature

View

Inductanc

L=4.0uH ± 10

F=1.0KHz/0.3V

-40℃to +125℃

DC Resistance

Rdc=15mΩ max

Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-B)Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-B)
未标题-2.jpgFilter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-B)

ITEM

STANDARD

Test Conditions

Operating temperature

View

Inductanc

L=4.0uH ± 10 %

F=1.0KHz/0.3V

-40℃to +125℃

DC Resistance

Rdc=15mΩ max

Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-3)Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-3)
未标题-2.jpgFilter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-3)

ITEM

STANDARD

Test Conditions

Operating temperature

View

Inductanc

L=4.0uH ± 10 %

F=1.0KHz/1V

-40℃ to +125℃

DC Resistance

Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-4)Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-4)
未标题-2.jpg Filter Rod Inductor for Auto Wiper Motor (LGA-W0317-4uH-4)

ITEM

STANDAR

Test Conditions

Operating temperature

View

Inductanc

L=4.0uH ± 10 %

F=1.0KHz/1V

-40℃ to +125℃

DC Resistance

Filter Rod Inductor for Auto Wiper Motor (LGA-W0312-3.3uH)Filter Rod Inductor for Auto Wiper Motor (LGA-W0312-3.3uH)
未标题-2.jpgFilter Rod Inductor for Auto Wiper Motor ( LGA-W0312-3.3uH)

ITEM

STANDARD

Test Conditions

Operating temperature

View

Inductanc

L=3.3±0.2uH

F=1.0KHz/0.3V

-40℃ to +125℃

DC Resistance

Rdc=25mΩ max

Filter Rod Inductor for Auto Glass Lifting Motor (LGA-WL0315-1.1uH)Filter Rod Inductor for Auto Wiper Motor (LGA-WL0315-1.1uH)
未标题-2.jpgFilter Rod Inductor for Auto Glass Lifting Motor (LGA-WL0315-1.1uH)

ITEM

STANDARD

Test Conditions

Operating temperature

View

Inductanc

L=1.1uH ±20 %

F=1.0KHz/1V

-40℃ to +125℃

DC Resistance

Rdc=2.65mΩ±20%

Filter Rod Inductor (5*30-3.8uH)
Filter Rod Inductor for Auto Glass Lifting Motor (LGA-W0530-3.8uH)Filter Rod Inductor for Auto Glass Lifting Motor (LGA-W0530-3.8uH)
未标题-2.jpgFilter Rod Inductor for Auto Glass Lifting Motor (LGA-W0530-3.8uH)

ITEM

STANDARD

Test Conditions

Operating temperature

View

Inductanc

L=3.8uH ± 10 %

F=1.0KHz/0.3V

-40℃ to +125℃

DC Resistance

Rdc=5mΩ max

Filter Rod Inductor for Auto Glass Lifting Motor (LGA-W520-4.1uH)Filter Rod Inductor for Auto Glass Lifting Motor (LGA-W520-4.1uH)
未标题-2.jpgFilter Rod Inductor for Auto Glass Lifting Motor (LGA-W520-4.1uH)

ITEM

STANDARD

Test Conditions

Operating temperature

View

Inductanc

L=4.1uH ±20 %

F=1KHz/1V

-40℃ to +125℃

DC Resistance

Rdc=6.2mΩmax

Rated Current

Ir=10A

Saturation Current

Isat=10A

Common Mode Choke
Common Mode Choke for DC/DC Inverter (TCC-JG3113-39uH)Common Mode Choke for DC/DC Inverter (TCC-JG3113-39uH)
未标题-2.jpgCommon Mode Choke for DC/DC Inverter (TCC-JG3113-39uH)

ITEM

STANDARD

Test Conditions

Operatingtemperature

image.png

View

Inductanc

L1 L2:39uH±35%

F=100KHz

-40℃to +125℃

DC Resistance

R1 R2=2.73mΩ typ

Rated Current1=20A△T≤40℃

HI-POT

AC2000V/5mA/2S
(between N1、N2)

50Hz
Common Mode Choke for DC/DC Inverter (TCC-JG3113-1.3uH)Common Mode Choke for DC/DC Inverter (TCC-JG3113-1.3uH)
未标题-2.jpgCommon Mode Choke for DC/DC Inverter (TCC-JG3113-1.3mH)

ITEM

STANDARD

Test Conditions

Operatingtemperature

1720142941100403.png

View

Inductanc

L1 L2:1.3mH-30%+50%

F=100KHz

-40℃to +125℃

DC Resistance

R1 R2=2.84mΩ typ

Rated Current 1=20A △T≤40℃

HI-POT

AC2000V/5mA/2S
(between N1、N2)

50Hz
Resistor
Precharge Resistor for OBC
Precharge Resistor for OBC (RX27-8-60W-50RJ)Precharge Resistor for OBC (RX27-8-60W-50RJ)
2691719987686751.jpgPrecharge Resistor for OBC (RX27-8-60W-50RJ)

Material

Thermal
Conductivity (Kj/m·h·℃)

Max Operating
Temperature (℃)

Resistivity
(μΩ·m)
Specific Heat
Capacity (J/g·℃)

Density
(g/cm3)

View

Nickel-chromium alloy

60.3

1200℃

1.09 0.44

8.4

Precharge Resistor for OBC (RX630-100W-150RJ)Precharge Resistor for OBC (RX630-100W-150RJ)
表格图片大小.jpgPrecharge Resistor for OBC (RX630-100W-150RJ)

Material

Thermal
Conductivity (Kj/m·h·℃)

Max Operating
Temperature (℃)

Resistivity
(μΩ·m)
Specific Heat
Capacity (J/g·℃)

Density
(g/cm3)

View

Nickel-chromium alloy

60.3

1200℃

1.09 0.44

8.4

Precharge Resistor for DC/DC Inverter
Precharge Resistor for DC/DC Inverter (RX615-25W-100KJ)Precharge Resistor for DC/DC Inverter (RX615-25W-100KJ)
未标题-1.jpgPrecharge Resistor for DC/DC Inverter (RX615-25W-100KJ)
Power

Resistace value

Tolerance

View

25w

100kΩ

±5%(J)

Item

Tested

Requirement

Overload 2.5 times rated power or 2 times component limit voltage for 5 seconds △R≤±(5%R+0.05Ω)
Moisture 40℃, relative humidity 95% △R≤±(3%R+0.1Ω)
Load Life Rated load 1.5 hours on,
0.5 hours off 1000 hours
△R≤±(5%R+0.1Ω)
Virbration 10Hz-50Hz/second, vibration in three directions for 2 hours each △R≤±(1%R+0.05Ω)
Resistance to soldering Heat 275℃ 2 hours △R≤±(1%R+0.05Ω)
Dielectric Strength AC 1500V △R≤±(1%R+0.05Ω)
Insulauon Resistance DC 500V 1 minute >100MΩ
Temperature Coefficient <±300PPM

Terminal strength

2Tensile force: 25N 10S
Torsional strength: 360°
alternating rotation 3 times

The terminal must not be broken or loose △R≤±(1%R+0.05Ω)

Precharge Resistor for PUD Inverter
Precharge Resistor for PUD Inverter (RX18-60W-300RJ-L350)Precharge Resistor for PUD Inverter (RX18-60W-300RJ-L350)
未标题-1.jpgPrecharge Resistor for PUD Inverter (RX18-60W-300RJ-L350)
Power

Resistace value

Tolerance

View
60w

300Ω

±5%(J)

Item

Tested

Requirement

Overload 10 times rated power for 5 seconds △R≤±(2%R+0.05Ω)
Moisture 40℃, relative humidity 95% △R≤±(3%R+0.1Ω)
Load Life Rated load 0.5 hours on,
1.5 hours off,1000 hours
△R≤±(5%R+0.1Ω)
Virbration 10Hz-50Hz/second, vibration in three directions for 2 hours each △R≤±(1%R+0.05Ω)
Resistance to soldering Heat 275℃ △R≤±(1%R+0.05Ω)
Dielectric Strength AC 2500V △R≤±(0.2%R+0.05Ω)
Insulauon Resistance DC 1000V one minute >1000MΩ
Temperature Coefficient <±250PPM

Terminal strength

2Tensile force: 25N 10S
Torsional strength: 360°
alternating rotation 3 times

△R≤±(1%R+0.05Ω)Terminals shall not be broken or loose.
△R≤±(1%R+0.05Ω)

Precharge Resistor for PUD Inverter (RX18-200W-100RJ)Precharge Resistor for PUD Inverter (RX18-200W-100RJ)
017817204915962.jpgPrecharge Resistor for PUD Inverter (RX18-200W-100RJ)
Power

Resistace value

Tolerance

View

200w

100Ω

±5%(J)

Item

Tested

Requirement

Overload 10 times rated power for 5 seconds △R≤±(2%R+0.05Ω)
Moisture 40℃, relative humidity 95% △R≤±(3%R+0.1Ω)
Load Life Rated load 0.5 hours on,
1.5 hours off,1000 hours
△R≤±(5%R+0.1Ω)
Virbration 10Hz-50Hz/second, vibration in three directions for 2 hours each △R≤±(1%R+0.05Ω)
Resistance to soldering Heat 275℃ △R≤±(1%R+0.05Ω)
Dielectric Strength AC 2500V △R≤±(0.2%R+0.05Ω)
Insulauon Resistance DC 1000V one minute >1000MΩ
Temperature Coefficient <±250PPM

Terminal strength

2Tensile force: 25N 10S
Torsional strength: 360°
alternating rotation 3 times

△R≤±(1%R+0.05Ω)Terminals shall not be broken or loose.
△R≤±(1%R+0.05Ω)

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Contact Us

  • 电话Tel: 0086-519-83976620

  • 邮箱Email: liujindong@nfdq.cn

  • 地图No. 6, Xinxin Intelligent Industrial Park,Changzhou, Jiangsu

About Us

Changzhou Southern Electronic Element Factory Co., Ltd. is located in the city of Changzhou, which has a long history in Jiangsu Province. It is situated in the most active economic area in Yangtze River Delta Centre. The transport is very convenient. Expressway, Fast railways run though it. And it only takes one and half hours to reach Shanghai or Nanjing city. Airplane from here is through to major cities in China.
Changzhou Southern Electronic Element Factory Co., Ltd. was founded in 1989. After several years' development and effort, it has invested and opened up three subsidiary companies, in Yancheng city, Huai'an city in Jiangsu Province, and Lang'xi City in Anhui Province respectively.

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