Dongguan Chipsen Electronics Technology Co., Ltd.
| Isolationvoltage | 3000V AC |
| Insulation Class | Class B / Class F |
| Supplier Type | Factory Direct Sale |
| Delivery Time | EE55 |
| Process | Vacuum varnish impregnation |
| Mounting Technology | SMD / SMT |
| Operatingtemperaturerange | -40°C to +85°C |
| Application | Switch Mode Power Supplies, LED Drivers, Battery Chargers |
| Payment Terms | T/T |
| Topology Support | Flyback |
| Efficiency | 85% - 95% |
| Warranty | 3-5 Years |
| Power | 1W-30W |
| Footprint Size | 9.5mm x 7.5mm |
| Outputvoltage | 5V - 48V DC |
| Dimensions | Varies by model |
| Supply Ability | 10000pcs |
| Core Sizes | EEL12, EEL16, EEL22, EEL25 |
| Model Number | EE55 |
| Brand Name | CHIPSEN |
| Place of Origin | China |
| Certification | UL/cUL Class B/F/H, VDE, CQC |
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Product Specification
| Isolationvoltage | 3000V AC | Insulation Class | Class B / Class F |
| Supplier Type | Factory Direct Sale | Delivery Time | EE55 |
| Process | Vacuum varnish impregnation | Mounting Technology | SMD / SMT |
| Operatingtemperaturerange | -40°C to +85°C | Application | Switch Mode Power Supplies, LED Drivers, Battery Chargers |
| Payment Terms | T/T | Topology Support | Flyback |
| Efficiency | 85% - 95% | Warranty | 3-5 Years |
| Power | 1W-30W | Footprint Size | 9.5mm x 7.5mm |
| Outputvoltage | 5V - 48V DC | Dimensions | Varies by model |
| Supply Ability | 10000pcs | Core Sizes | EEL12, EEL16, EEL22, EEL25 |
| Model Number | EE55 | Brand Name | CHIPSEN |
| Place of Origin | China | Certification | UL/cUL Class B/F/H, VDE, CQC |
| High Light | Custom EE55 high frequency transformer ，Solar PCS energy storage transformer ，High frequency flyback transformer EE55 | ||
| Industry Application | Converter Topology | System Voltage Range | Power & Frequency | Inductance Targets | Current & Thermal | Isolation & Testing |
|---|---|---|---|---|---|---|
| Energy Storage PCS & Bidirectional DC-DC | Dual Active Bridge, Phase-Shifted Full Bridge, CLLLC | 40-60V or 60-100V battery to 350-450V DC link | 500W-2000W at 50kHz-200kHz | 0.5-5mH magnetizing, 10-100μH leakage | Up to 40A RMS, foil/litz construction | 3-4kVAC dielectric, reinforced insulation |
| Solar Inverter & Power Optimizer | Full Bridge, PSFB, LLC, DAB | 250-450V DC link to 24-400V outputs | 400W-1500W at 40kHz-150kHz | 1-6mH magnetizing, 5-30μH leakage | Low DCR, balanced windings | 3-4kVAC dielectric, PCB compatibility |
| EV Charging & Onboard Chargers | LLC, CLLLC, PSFB, DAB | 350-800V conversion for battery systems | 500W-2000W at 80kHz-250kHz | 0.3-3mH magnetizing, 5-80μH leakage | High-current foil/litz construction | 3-5kVAC dielectric, automotive validation |
| AI Server & Data Center Power | LLC, PSFB, Full Bridge | 370-410V input to 12V/48V/54V outputs | 500W-1500W at 90kHz-250kHz | 1.5-4mH magnetizing, 5-30μH leakage | High-current secondary, thermal management | 1.5-3kVAC dielectric, automated testing |
The EE55 is a large through-hole ferrite transformer platform designed for medium to high-power switched-mode conversion applications. This versatile platform supports various topologies including full-bridge, phase-shifted full-bridge, half-bridge, push-pull, forward, LLC, CLLLC, and dual-active-bridge configurations.
| Component | Specifications |
|---|---|
| Magnetic Platform | EE55 or E55-class ferrite core with ~354mm² cross section |
| Ferrite Material | Power ferrite optimized for 20kHz-250kHz operation |
| Core Gap | Ungapped, center-leg gap, or distributed gap configurations |
| Winding Options | Single, split, series, parallel, center-tapped arrangements |
| Conductor Systems | Round wire, parallel wire, litz wire, copper foil, copper strip |
| Insulation | Tape, film, barriers, sleeves, triple-insulated wire options |
| Terminations | Through-hole pins, heavy terminals, lead wires, busbar connections |
Comprehensive quality control processes ensure reliable performance:
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
28820000-29820000
Employee Number:
400~450
Ecer Certification：
Verified Supplier
Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ... Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ...
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