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We have senior engineers with 20 years experience in this field.
We can design and produce according to your requirements.
Hot sell High-Frequency Transformer - EFD20 Type
This type of product can be used in Household appliances, LED drivers, TV sets, Printers, etc.
| Part No.: | TYH-EFD20-05 | Materials: | Product Picture: | ||||||||||||||||||||||||||||||||
| Features: | Ferrite core: EFD20/ PC40 | ![]() | |||||||||||||||||||||||||||||||||
| Customizable, Competitive price, Free sample | Phenolic bobbin: T375J /150℃ 94V-0 | ||||||||||||||||||||||||||||||||||
| With a good magnetic shield from itself and slight interference. | Copper wire: 2UEW Φ0.38mm /130℃ | ||||||||||||||||||||||||||||||||||
| Triple insulated wire: TIW-F Φ0.65mm/155℃ | |||||||||||||||||||||||||||||||||||
| High-temperature resistant | Insullac: T4260 | ||||||||||||||||||||||||||||||||||
| High isolation strength | Polyester tape: 0.025T 13, 11, 2 /130℃ | ||||||||||||||||||||||||||||||||||
| High efficiency of over 95% | Solder: Sn-0.7Cu / Lead-free | ||||||||||||||||||||||||||||||||||
| Working frequency range: 10KHz-500KHz | |||||||||||||||||||||||||||||||||||
| Operating temperature: -40°C to +125°C | |||||||||||||||||||||||||||||||||||
Dimensions:(Unit:mm)
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Electrical Characteristics:
| No. | Items | Test Terminals | Specification | Test Conditions (At 25℃) | Test meters | ||||||||||||||||||||||||||||
| 1 | Inductance | 4-5 | L=520uH±8% | at 1KHz/0.3V | HP-4284A | ||||||||||||||||||||||||||||
| 2 | Hi-Pot | NP-NS | No Abnormal | 3700Vac 50HZ 2mA/60sec. | DZ2672B | ||||||||||||||||||||||||||||
| 2500Vac 50HZ 1mA/60sec. | |||||||||||||||||||||||||||||||||
Similar types:
EFD15, EFD20/21, EFD25/26, EFD30




We are a manufacturer, and have our own trading company(Nantong Meican International Trading Co., Ltd.) |
We have more than 12 years of experience in this industry. |
We will reply customer within an hour when there is a quality complaint. Also, we need the customer's help to provide relevant pictures and videos and finish the accident investigation within 24 hours. If it is our responsibility, we will give an 8D report within 48 hours, and all the defective products will be returned or replaced. The warranty period is 2 years. |
Yes, we can customize products to your requirements. |
Yes, it is. |
Samples need 2-7 days, mass production time is usually about 1-3 weeks, but it depends on the order quantity. |
500PCS, but any small trial orders are welcomed. |
We accept T/T, L/C. |
Yes, we 100% test before shipment, and we have full-automatic testing facilities which can reduce human error. |
Normally Shanghai. |
Fedex, DHL, EMS, and SF Express with great discounts. |
EXW, CFR, FOB, CIF, DDU, and DDP are all acceptable, or online transactions. |
New products from manufacturers at wholesale prices