EF12.6 UL Certified High Efficiency PCB Mount Transformer for SMPS LED Driver Circuit
1. Product Introduction
The Chipsen EF12.6 series PCB mount transformer is a high-performance magnetic component specifically engineered for compact switching power supplies (SMPS) and industrial control modules. Featuring a precision-wound ferrite core and UL-certified (E332338) insulation systems, this transformer ensures superior energy conversion efficiency and long-term reliability in demanding thermal environments. Its standardized 5+5 pin configuration allows for seamless integration into high-density PCB layouts, making it an ideal choice for global OEM/ODM manufacturers.
2. Technical Specifications
| Parameter Item | Detailed Specification |
|---|---|
| Brand Name | Chipsen Electronics |
| Model Series | EF12.6 (EF Series) |
| UL File Number | E332338 |
| Working Frequency | 20kHz - 500kHz |
| Power Output Range | 3W - 10W (Customizable) |
| Core Material | High-Permeability MnZn Ferrite (PC40/PC44) |
| Input Voltage | 85V - 265V AC (Universal) |
| Hi-Pot Test | 3750VAC / 5mA / 60s (Primary to Secondary) |
| Insulation Class | Class B (130°C) / Class F (155°C) Available |
| Mounting Type | Through-Hole PCB Mount |
| Operating Temp. | -40°C to +125°C |
| RoHS Compliance | Yes, Lead-Free Process |
3. Product Features
- Optimized Magnetic Design: Low leakage inductance and parasitic capacitance for reduced EMI interference.
- Compact Form Factor: The EF12.6 structure provides maximum power density in a small footprint.
- Triple-Insulated Wires: Optional TIW winding for enhanced safety and dielectric strength.
- Precision Automated Winding: High consistency in electrical parameters across large production batches.
- Superior Thermal Stability: Engineered to maintain efficiency even under continuous high-load operations.
4. Product Applications
Specifically designed for high-frequency switching environments, including:
- AC-DC Power Supplies: Compact chargers, adapters, and wall-mount power modules.
- LED Lighting Drivers: Constant current/voltage drivers for commercial and residential LED systems.
- Industrial Controls: Auxiliary power for PLC, sensors, and smart meters.
- Smart Home Electronics: IoT gateways, smart switches, and home automation controllers.
- Medical Devices: Low-power medical instruments requiring stable isolated power.
5. Our Core Advantages
Company Advantages
- 26 Years Expertise: Established in 2000, specialized in high-frequency magnetic components.
- Industrial Scale: 10,000± self-owned factory with 8 automated production lines.
- Global Reach: $42 Million annual export volume with 50% market share in North America.
- Certified Quality: ISO9001, ISO14001, CE, CB, and UL/cUL certifications.
Product Advantages
- Full Customization: Engineering support for bespoke electrical parameters and pinouts.
- High Efficiency: Utilizes premium magnetic materials to minimize core losses.
- Safety First: Meets international safety standards (IEC/EN60950, UL62368).
- Flexible Payment: Support for T/T, PayPal, and Western Union.
6. Frequently Asked Questions (FAQ)
Q1: Are you a manufacturer or a trading company?
A: We are a professional manufacturer with a 10,000± factory in Dongguan, China, with 26 years of experience.
Q2: Can I get a customized design for my specific voltage requirements?
A: Yes, we provide full ODM/OEM services. Our engineering team can design transformers based on your input/output specs.
Q3: What is the lead time for mass production?
A: Typically 2-3 weeks, depending on the order quantity and material availability.
Q4: Do you provide free samples?
A: Yes, we can provide 3-5 free samples for testing, with shipping costs covered by the customer.
Q5: What certifications do your transformers have?
A: Our products are UL, cUL, CE, and RoHS certified, ensuring compliance for global markets.
Q6: How do you ensure product quality?
A: We implement a 100% electrical test (turns ratio, inductance, leakage, Hi-pot) before shipment and follow ISO9001 standards.
Q7: What is your minimum order quantity (MOQ)?
A: Our standard MOQ is 1,000 PCS, but we support small trial orders for new projects.
Q8: Which payment methods do you accept?
A: We accept T/T (Bank Transfer), PayPal, and Western Union for your convenience.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.