The CHIPSEN ETD29 series is a high-performance High-Frequency Switching Transformer designed for modern SMPS (Switching Mode Power Supplies) and DC-DC converters. Built with a high-permeability manganese-zinc ferrite core and multi-strand oxygen-free copper wire, the ETD29-401-12576 offers exceptional power density and thermal stability. Its horizontal PCB-mount architecture and robust insulation make it an ideal choice for compact, high-efficiency power modules requiring strict EMI control and UL-certified reliability.

Technical Parameter Table

Key Features

• ETD Core Geometry: The Economic Transformer Design (ETD) core provides a balanced ratio between core volume, winding area, and surface cooling, maximizing power throughput.
• Low Power Loss: Optimized ferrite materials reduce eddy current and hysteresis losses, ensuring high conversion efficiency even at high frequencies.
• Excellent Shielding: The specialized bobbin and winding structure minimize leakage inductance and electromagnetic interference (EMI).
• High Insulation Reliability: Triple-insulated wires and vacuum impregnation options are available to meet stringent safety isolation standards.
• Durable Construction: Features a flame-retardant bobbin (UL 94V-0) and precision-soldered pins for long-term mechanical stability.

• Industrial Power Supplies: DIN rail power units, industrial control boards, and robotics.
• Telecommunications: DC-DC converters for base stations and networking hardware.
• Renewable Energy: Solar inverters, EV charging piles, and battery management systems (BMS).
• Consumer Electronics: High-power adapters for laptops, gaming consoles, and LED drivers.
• Medical Equipment: Isolated power modules for patient monitoring and diagnostic devices.

Company Advantages

• 26-Year Industry Leader: Chipsen has been a specialized manufacturer of magnetic components since 2000, ensuring deep technical expertise.
• Massive Annual Capacity: With 8 automated production lines and a 10,000 sqm facility, we produce over 2.4 billion transformers annually.
• Strict Quality Control: ISO 9001 and ISO 14001 certified management, with 20+ dedicated QC professionals overseeing every production stage.
• Engineering Excellence: Our 20-person R&D team provides expert ODM/OEM support to optimize your circuit designs.

Product Advantages

• UL Certified Reliability: Our products carry the E332338 UL file mark, meeting global safety standards for exported equipment.
• High Efficiency Design: Engineered to reduce thermal buildup, extending the lifespan of both the transformer and the host device.
• Customizable Topologies: We support various circuit topologies including Flyback, Forward, Half-bridge, and Full-bridge configurations.
• Global Provenance: Proudly serving top-tier clients such as Midea and Federal Signal with a $42 Million annual export volume.