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Factory Overview

One-Stop Electronic Components Solution Provider

Leading manufacturer of high-reliability inductors, resistors, fuses, and transformers for industrial, automotive, and power electronics applications.

CE ISO9001 ISO14001 IATF16949 UL RoHS CQC

About Southern Electronic Element Factory

Changzhou Southern Electronic Element Factory Co., Ltd. is a trusted manufacturer of high-performance electronic components based in Jiangsu, China. With decades of expertise, we specialize in inductors, resistors, fuses, and transformers designed for reliability in demanding environments.

Our products are sold overseas and support world-famous companies across industries including renewable energy, industrial automation, medical equipment, and new energy vehicles.

  • ISO9001, ISO14001, IATF16949 Certified
  • UL, RoHS, CE, CQC Compliant
  • One-Stop Component Solutions
Factory Interior

Product Solutions

We provide comprehensive electronic component solutions for power systems, frequency converters, LED drivers, and automotive electronics.

Power Supplier Systems

Complete protection and filtering chain:

  • • Safety fuse — filter inductor — energy storage inductor
  • • Pulse transformer — PFC inductor — high frequency transformer
  • • Magnetic ring common mode filter inductor

LED Drive Power Supply

Integrated components for stable performance:

  • • UL safety fuse resistors — filter inductors — energy storage inductors
  • • Magnetic ring common mode inductors
  • • High-frequency transformers

Our Products

Drum Core Inductor

Drum Core Inductor

Vertical & Horizontal types for high-current applications.

Toroidal Inductor

Toroidal Inductor

Low EMI, high efficiency magnetic core inductors.

Common Mode Choke

Common Mode Choke

SQ Type & UU Type for EMI suppression.

SMD Power Inductor

SMD Power Inductor

Compact surface-mount design for PCB integration.

High Power Thick Film Resistor

High Power Thick Film Resistor

Ideal for robot charging and high-voltage circuits.

Ceramic Composition Resistor

Ceramic Composition Resistor

Anti-pulse, flame-retardant, non-inductive design.

Fusible Resistor

Fusible Resistor

RF10 Coating, SMD, RXF types for circuit protection.

High Frequency Transformer

High Frequency Transformer

Efficient energy transfer in compact designs.

Precharge Resistor

Precharge Resistor

For OBC, DC/DC Inverter, PUD Inverter in EVs.

Cement Resistor

RX27 Type Cement Resistor

High durability for frequency converter braking.

Metal Shell Resistor

Metal Shell Wire Wound Resistor

Robust heat dissipation for industrial use.

Vehicle Wire Wound Resistor

Vehicle Wire Wound Resistor

Designed for automotive power systems.

Auto Electronics Components

Automotive Components

Advanced Components for New Energy Vehicles

  • Precharge Resistors: For OBC, DC/DC Inverter, PUD Inverter
  • High Reliability Inductors: Energy storage and filtering
  • UL Safety Fuse Resistors: Protection in EV power systems
  • High Frequency Transformers: Efficient power conversion

Our components meet IATF16949 standards and are engineered for durability, safety, and performance in electric and hybrid vehicles.

Wide Range of Applications

Industrial Automation

Frequency converter braking resistors, capacitor equalizing resistors, machine tool power supplies.

Medical Equipment

High-voltage circuits for X-ray generators, electron microscopes, and defibrillators.

Renewable Energy

Solar inverters, wind power systems, energy storage solutions.

Frequently Asked Questions

What are your main products?

Our main products include drum core inductors, high frequency transformers, SQ type common mode chokes, SMD power inductors, ceramic composition resistors, and precharge resistors for new energy vehicles.

Are your products RoHS compliant?

Yes, all our products meet RoHS requirements and are environmentally safe for global markets.

Do you support automotive applications?

Yes, we provide specialized components for new energy vehicles including precharge resistors for OBC, DC/DC inverters, and PUD inverters, compliant with IATF16949 standards.

Where is your factory located?

Our factory is located at No. 6, Xinxin Intelligent Industrial Park, Changzhou, Jiangsu, China.

Get in Touch with Our Team

Discuss your electronic component needs and get the best offer tailored to your application.

Phone: 0086-519-83976620

Email: liujindong@nfdq.cn

Address: No. 6, Xinxin Intelligent Industrial Park, Changzhou, Jiangsu, China

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