PoE SMD High Frequency Power Transformer with EFD20 Core - PoE SMD High Frequency Wire Wound Power Transformer (20SEFD) | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.
EFD20 platforms-SMT high frequency transformer with PoE function. The power range of 20SEFD series is up to 95W. The maximum height is 11.5mm. There are wide variety of size and values to choose from.
Yuan Dean can provide high efficiency production solutions and customized products.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you! YDS is a high-quality PoE SMD High Frequency Power Transformer with EFD20 Core, PoE EFD20 Core SMD High Frequency Wire Wound Transformer manufacturer from Taiwan since 1990. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank.
PoE SMD High Frequency Power Transformer with EFD20 Core
20SEFD Series
PoE SMD High Frequency Wire Wound Power Transformer (20SEFD)
EFD20 platforms-SMT high frequency transformer with PoE function. The power range of 20SEFD series is up to 95W. The maximum height is 11.5mm. There are wide variety of size and values to choose from.
Yuan Dean can provide high efficiency production solutions and customized products.
Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!
Features
- EFD20 Platforms-SMT.
- Power range: up to 95W
- Height: 11.5mm MAX
- Footprint: 22.0mm x 29.5mm
- Topology: forward and flyback and so on.
- Custom designs available.
Applications
- computer equipment.
- Internet equipment.
- AC main power supply system.
- industrial control.
- telecom equipment.
Specification
- Operating temperature range: -40°C to +85°C
- Storage temperature range: -55°C to +125°C
Specification
| Part Number | Input | Output | Aux/bias | Oper. Freq | Turns ratio | |
|---|---|---|---|---|---|---|
| (KHZ) | Pri:sec | pri:sec: aux/bias | ||||
| 20SEFD-0221KNL | 10~57V | 5V,6A | 12V | 250 | - | 1:0.50:1.17 |
| 20SEFD-0361CNNL | 12V | 30V,0.7A 60V,0.2A 90V,0.12A | - | 250 | 1:3:3:3 | - |
| 20SEFD-0453KNL | 9~36V | 3.3V,10A | 12V,20mA | 200 | - | 3:1:3.5 |
| 20SEFD-0454KNL | 9~36V | 12V,3A | 12V,20mA | 200 | - | 0.86:1:1 |
| 20SEFD-0455KNL | 9~36V | 5V,7A | 12V,20mA | 200 | - | 1:0.5:1.165 |
| 20SEFD-0551BVNL | 11~13V | 24V,0.6A 9V,0.6A | 10V,20mA | 100 | 1:3.2:2 | 1:1.3 |
| 20SEFD-0601KNL | 20~72V | 12V,5A | 13V,20mA | 200 | - | 1.29:1:1 |
| 20SEFD-0721BPNL | 9~36V | 3.3V,3A 5V,2A | 13V,50mA | 250 | 1:0.5:0.25 | 1: 2 |
| 20SEFD-0721DBNL | 9~36V | 2.5V,3A 3.3V,3A 5V,2A | 13V,50mA | 250 | 1:0.375 1:0.125 1:0.25 | 1:2 |
| 20SEFD-0801CANL | 20~48V | 24V,1.3A | 10V | 200 | - | 2.4:2.4:1 |
| 20SEFD-0881BLNL | 33~57V | 5.9V,6A 3.9V,1.6A | - | 200 | 1:0.375:0.25 | 1:1 |
| 20SEFD-0901AZNL | 9~57V | 5V,5A | 10V,30mA | 250 | - | 1:0.375:0.75 |
| 20SEFD-0902AZNL | 10~57V | 12V,2.1A | 10V,30mA | 250 | - | 1:0.875:0.75 |
| 20SEFD-0941SNL | 18~57V | 18V,1A | 11V,20mA | 250 | - | 1:1:0.64 |
| 20SEFD-1011VNL | 36~72V | 12V,5A | 12V,20mA | 250 | - | 2.0:1.0:0.7 |
| 20SEFD-1012VNL | 36~72V | 12V,5A | 12V,20mA | 250 | - | 2.0:1.0:1.0 |
| 20SEFD-1013VNL | 36~72V | 12V,5A | 12V,20mA | 250 | 22:11:6 | |
| 20SEFD-1201CANL | 30~75V | 24V,1.3A | 10V | 250 | - | 1:0.67:0.33 |
| 20SEFD-1201XNL | 33~57V | 5V,3A 3.3V,5A 11.3V,0.5A | - | 200 | 4.0:1.5 4.0:1.0 4.0:3.5 | 4.0:4.0 |
| 20SEFD-1311VNL | 36~72V | 5V,50W | 12V,20mA | 250 | - | 1:0.4:0.7 |
| 20SEFD-1401BWNL | 30~75V | 12V,2.5A | 10V | 200 | - | 1:0.4:0.33 |
| 20SEFD-1611BHNL | 29.5~60V | 5V,2.6A 5V,0.1A | 10V,0.1A | 300 | 1:0.42:0.42 | 1:0.83 |
| 20SEFD-1701KNL | 37~57V | 12.5V,5.0A | 12V,30mA | 250 | - | 1:0.46:0.46 |
| 20SEFD-1711BBNL | 40~60V | 12V,5.84A 2V,0.01A | 15V,10mA | 275 | 1:0.67:0.25 | 1:0.83:1 |
| 20SEFD-2101KNL | 36~72V | 12V,5A | 13V,20mA | 200 | - | 2.67:1:1.17 |
| 20SEFD-2511VNL | 36~72V | 5V,50W | 12V,20mA | 250 | 1:0.25:0.56 | |
| 20SEFD-2901KNL | 36~72V | 5V,8A | 13V,20mA | 200 | - | 5.33:1.0:2.67 |
| 20SEFD-3111VNL | 36~72V | 12V,4.5A | 12V,20mA | 250 | - | 1.6:1:1 |
| 20SEFD-4001KNL | 36~57V | 12V,2.5A | 7V | 200 | - | 1:0.368:0.235 |
| 20SEFD-4001SNL | 18~57V | 5V,5A | 11V,20mA | 250 | - | 1:0.18:0.41 |
| 20SEFD-4201KNL | 36~72V | 5V,6A | 12V,20mA | 250 | - | 1:0.14:0.33 |
| 20SEFD-4202KNL | 36~72V | 12V,2.5A | 12V,20mA | 250 | - | 1:0.33:0.33 |
| 20SEFD-4203KNL | 36~72V | 24V,1.25A | 12V,20mA | 250 | - | 1:0.67:0.33 |
| 20SEFD-4204KNL | 36~72V | 3.3V,9A | 12V,20mA | 250 | - | 1:0.09:0.33 |
| 20SEFD-4205KNL | 36~72V | 19.5V,1.5A | 12V,20mA | 250 | - | 1:0.56:0.33 |
| 20SEFD-5002SNL | 18~57V | 12V,2.1A | 11V,20mA | 250 | - | 1:0.47:0.41 |
| 20SEFD-5003SNL | 18~57V | 24V,1.25A | 11V,20mA | 250 | - | 1:0.88:0.41 |
| 20SEFD-5004SNL | 18~57V | 3.3V,7.5A | 11V,20mA | 250 | - | 1:0.12:0.41 |
| 20SEFD-9001CCNL | 10~57V | 5V,5A | 12V,20mA | 250 | - | 1:0.8:1.9 |
| 20SEFD-9002CCNL | 10~57V | 12V,2A | 12V,20mA | 250 | - | 1:1.9:1.9 |
| 20SEFD-9301NNL | 30~75V | 5V,4.5A | 12V,20mA | 550 | 11:4:4 | 11:9:11 |
| Part Number | L | DCR | Sch | Mech | ||
|---|---|---|---|---|---|---|
| (Ohms MAX) | ||||||
| (uH) | Pri | sec | Aux / bia | |||
| 20SEFD-0221KNL | 2.16 ± 10% | 9.0 | 4.5 | 200 | K | S1 |
| 20SEFD-0361CNNL | 3.6 ± 10% | 8.0 | 180 200 250 | - | CN | S2 |
| 20SEFD-0453KNL | 4.5 ± 7% | 9.5 | 3.0 | 130 | K | S1 |
| 20SEFD-0454KNL | 4.5 ± 5% | 9.5 | 23 | 130 | K | S1 |
| 20SEFD-0455KNL | 4.5 ± 5% | 9.5 | 5.0 | 130 | K | S1 |
| 20SEFD-0551BVNL | 5.5 ± 10% | 50 | 400 280 | 350 | BV | S3 |
| 20SEFD-0601KNL | 6.48 ± 5% | 20 | 11.5 | 300 | K | S1 |
| 20SEFD-0721BPNL | 7.2 ± 5% | 52 | 10 8.0 | 240 | BP | S1 |
| 20SEFD-0721DBNL | 7.2 ± 5% | 52 | 9.0 3.5 9.0 | 240 | DB | S1 |
| 20SEFD-0801CANL | 8.0 ± 10% | 30 | 35 | 55 | CA | S1 |
| 20SEFD-0881BLNL | 8.8 ± 10% | 28 | 10 8.0 | 140 | BL | S1 |
| 20SEFD-0901AZNL | 9.0 ± 5% | 18 | 5.0 | 350 | AZ | S1 |
| 20SEFD-0902AZNL | 9.0 ± 10% | 18 | 50.0 | 350 | AZ | S1 |
| 20SEFD-0941SNL | 9.35 ± 10% | 25 | 55 | 350 | S | S1 |
| 20SEFD-1011VNL | 100 ± 12% | 72 | 15 | 680 | V | S1 |
| 20SEFD-1012VNL | 100 ± 12% | 72 | 15 | 680 | V | S1 |
| 20SEFD-1013VNL | 100 ± 12% | 110 | 20 | 680 | V | S1 |
| 20SEFD-1201CANL | 12.0 ± 10% | 30 | 20 | 55 | CA | S1 |
| 20SEFD-1201XNL | 11.5 ± 10% | 28 | 12 5.0 62 | 190 | X | S1 |
| 20SEFD-1311VNL | 130 ± 25% | 45 | 5.0 | 135 | V | S1 |
| 20SEFD-1401BWNL | 14.0 ± 10% | 40 | 10 | 70 | BW | S1 |
| 20SEFD-1611BHNL | 160 ± 10% | 100 | 50 420 | 900 | BH | S1 |
| 20SEFD-1701KNL | 17 ± 10% | 48 | 11 | 325 | K | S1 |
| 20SEFD-1711BBNL | 172.8 ± 28% | 43 | 8.5 100 | 560 340 | BB | S1 |
| 20SEFD-2101KNL | 20.5 ± 5% | 39 | 8.5 | 230 | K | S1 |
| 20SEFD-2511VNL | 246MIN | 67 | 5.0 | 175 | V | S1 |
| 20SEFD-2901KNL | 28.5 ± 5% | 39 | 3.5 | 230 | K | S1 |
| 20SEFD-3111VNL | 307 ± 25% | 65 | 27 | 240 | V | S1 |
| 20SEFD-4001KNL | 40.0 ± 10% | 80 | 30 | 180 | K | S1 |
| 20SEFD-4001SNL | 50.0 ± 10% | 35 | 5 | 315 | S | S1 |
| 20SEFD-4201KNL | 42.0 ± 10% | 69 | 5.0 | 225 | K | S1 |
| 20SEFD-4202KNL | 42.0 ± 10% | 65 | 20 | 195 | K | S1 |
| 20SEFD-4203KNL | 42.0 ± 10% | 60 | 55 | 195 | K | S1 |
| 20SEFD-4204KNL | 42.0 ± 10% | 70 | 2.3 | 220 | K | S1 |
| 20SEFD-4205KNL | 42.0 ± 10% | 60 | 37 | 195 | K | S1 |
| 20SEFD-5002SNL | 50.0 ± 10% | 26 | 25 | 315 | S | S1 |
| 20SEFD-5003SNL | 50.0 ± 10% | 26 | 80 | 315 | S | S1 |
| 20SEFD-5004SNL | 50.0 ± 10% | 26 | 2.6 | 328 | S | S1 |
| 20SEFD-9001CCNL | 90MIN | 18 | 15 | 320 | CC | S1 |
| 20SEFD-9002CCNL | 90MIN | 17.5 | 47 | 320 | CC | S1 |
| 20SEFD-9301NNL | 93MIN | 35 | 15/15 | 100 | N | S1 |
Certification
- Mechanicals and Dimensions
20SEFD Series Mechanicals and Dimensions (S1)
20SEFD Series Mechanicals and Dimensions (S2)
20SEFD Series Mechanicals and Dimensions (S3)
- Related Products
EP core 3W~27W SMD High Frequency Transformer for PoE Application
PoE EP Series
3~27W High frequency transformer with EP core. EP series are designed for 200KHz switching...
Details
SMD High Frequency Transformer with EFD15 Core for PoE Applications
15SEFD Series
High frequency transformer features EFD15 platforms-SMT and PoE function. The power range of 15SEFD...
Details- Files Download
High Frequency Transformer for PoE Solution 20SEFD Series
PoE Solution High Frequency Wire Wound Transformer PDF Catalogue (Up to 95W)
Download
PoE SMD High Frequency Power Transformer with EFD20 Core - PoE SMD High Frequency Wire Wound Power Transformer (20SEFD) | Taiwan-Based Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.
Based in Taiwan since 1990, YUAN DEAN SCIENTIFIC CO., LTD. has been a power converter, transformer, magnetic components manufacturer in Electronic Components Industry. Their main products, include PoE SMD High Frequency Power Transformer with EFD20 Core, DC-DC Converters, AC-DC Converters, RJ45 Magnetics, Converter Transformers, LAN Filters, High Frequency Transformers, POE Transformers, Inductors and LED drivers, which are RoHS approved with ERP system implemented.
YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001, ISO 14001 and IATF16949 certified. We Produce various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, LED Driver/Lighting products and Power bank. ISO 9001 & ISO 14001, IATF16949 certified power converter, high frequency transformer, magnetic component with reliable EMC and EMI / EMS / EDS lab tests. Power converter solutions for medical, railway, POE, etc.
YDS has been offering customers high-quality power supply and magnetic components, both with advanced technology and 25 years of experience, YDS ensures each customer's demands are met.