The CHIPSEN EFD15 series high-frequency transformer is a high-performance magnetic component designed for modern power electronics. Featuring the "Economic Flat Design" (EFD), this transformer provides a perfect balance between power density and a low-profile footprint. It is widely utilized in high-density switching power supplies (SMPS), adapters, and LED drivers where space-saving and efficiency are critical. With UL certification (E332338) and professional engineering, our EFD15 transformers ensure reliable energy conversion for your circuits.
| No. | Item | Specification |
|---|---|---|
| 1 | Model Number | EFD15-102-12249 |
| 2 | Core Type | EFD15 (High-Quality Ferrite) |
| 3 | Operating Frequency | 20kHz - 500kHz |
| 4 | Power Output | 5W - 15W (Typical) |
| 5 | Output Voltage | Customized per requirements |
| 6 | Inductance | Customized (±10% or ±5%) |
| 7 | Insulation Class | Class B (130°C) / Class F (155°C) |
| 8 | Operating Temperature | -40°C to +125°C |
| 9 | Dielectric Strength | 3000VAC - 4500VAC (Primary to Secondary) |
| 10 | Certifications | UL, CE, RoHS, ISO 9001 |
Q1: What is the lead time for mass production?
A: Typically, the lead time is 3-4 weeks after sample approval and deposit receipt, depending on the order volume.
Q2: Can I get samples for testing before placing a bulk order?
A: Yes, we provide free samples (usually 3-5 pcs) for technical evaluation. You only need to cover the shipping cost.
Q3: Do you support customized designs?
A: Absolutely. Most of our transformers are customized. Please provide your specifications (Input/Output voltage, power, frequency, inductance, etc.) for a quote.
Q4: What is your Minimum Order Quantity (MOQ)?
A: Our standard MOQ is 1,000 pieces per model, but we can support smaller quantities for initial trial orders.
Q5: What payment methods do you accept?
A: We support multiple convenient payment methods, including T/T (Bank Transfer), PayPal, and Western Union.
Q6: Are your products UL certified?
A: Yes, our products and insulation systems are UL certified (File No. E332338), ensuring safety and compliance for the global market.
Q7: How do you handle shipping?
A: We offer flexible shipping terms including EXW, FOB, DDU, and DDP. We can ship via sea, air, or express (DHL/UPS/FedEx).
Q8: What is the warranty period for your transformers?
A: We offer a 1-year quality warranty from the date of delivery. We stand behind our quality with full technical support.
