PoE SMD High Frequency Power Transformer / Over 32 Years Power Supply & Magnetic Components Manufacturer | YUAN DEAN SCIENTIFIC CO., LTD.

PoE EFD20 platforms-SMT High Frequency Wire Wound Transformer / 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.

PoE SMD High Frequency Transformer with EFD20 platforms-SMT - PoE EFD20 platforms-SMT High Frequency Wire Wound Transformer
  • PoE SMD High Frequency Transformer with EFD20 platforms-SMT - PoE EFD20 platforms-SMT High Frequency Wire Wound Transformer

PoE SMD High Frequency Transformer with EFD20 platforms-SMT

20SEFD Series

PoE SMD High Frequency Power Transformer

High frequency transformer features EFD20 platforms-SMT and 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 NumberInputOutputAux/biasOper. FreqTurns ratio
(KHZ)Pri:secpri:sec:
aux/bias
20SEFD-0221KNL10~57V5V,6A12V250-1:0.50:1.17
20SEFD-0361CNNL12V30V,0.7A
60V,0.2A
90V,0.12A
-2501:3:3:3-
20SEFD-0453KNL9~36V3.3V,10A12V,20mA200-3:1:3.5
20SEFD-0454KNL9~36V12V,3A12V,20mA200-0.86:1:1
20SEFD-0455KNL9~36V5V,7A12V,20mA200-1:0.5:1.165
20SEFD-0551BVNL11~13V24V,0.6A
9V,0.6A
10V,20mA1001:3.2:21:1.3
20SEFD-0601KNL20~72V12V,5A13V,20mA200-1.29:1:1
20SEFD-0721BPNL9~36V3.3V,3A
5V,2A
13V,50mA2501:0.5:0.251: 2
20SEFD-0721DBNL9~36V2.5V,3A
3.3V,3A
5V,2A
13V,50mA2501:0.375
1:0.125
1:0.25
1:2
20SEFD-0801CANL20~48V24V,1.3A10V200-2.4:2.4:1
20SEFD-0881BLNL33~57V5.9V,6A
3.9V,1.6A
-2001:0.375:0.251:1
20SEFD-0901AZNL9~57V5V,5A10V,30mA250-1:0.375:0.75
20SEFD-0902AZNL10~57V12V,2.1A10V,30mA250-1:0.875:0.75
20SEFD-0941SNL18~57V18V,1A11V,20mA250-1:1:0.64
20SEFD-1011VNL36~72V12V,5A12V,20mA250-2.0:1.0:0.7
20SEFD-1012VNL36~72V12V,5A12V,20mA250-2.0:1.0:1.0
20SEFD-1013VNL36~72V12V,5A12V,20mA250 22:11:6
20SEFD-1201CANL30~75V24V,1.3A10V250-1:0.67:0.33
20SEFD-1201XNL33~57V5V,3A
3.3V,5A
11.3V,0.5A
-2004.0:1.5
4.0:1.0
4.0:3.5
4.0:4.0
20SEFD-1311VNL36~72V5V,50W12V,20mA250-1:0.4:0.7
20SEFD-1401BWNL30~75V12V,2.5A10V200-1:0.4:0.33
20SEFD-1611BHNL29.5~60V5V,2.6A
5V,0.1A
10V,0.1A3001:0.42:0.421:0.83
20SEFD-1701KNL37~57V12.5V,5.0A12V,30mA250-1:0.46:0.46
20SEFD-1711BBNL40~60V12V,5.84A
2V,0.01A
15V,10mA2751:0.67:0.251:0.83:1
20SEFD-2101KNL36~72V12V,5A13V,20mA200-2.67:1:1.17
20SEFD-2511VNL36~72V5V,50W12V,20mA250 1:0.25:0.56
20SEFD-2901KNL36~72V5V,8A13V,20mA200-5.33:1.0:2.67
20SEFD-3111VNL36~72V12V,4.5A12V,20mA250-1.6:1:1
20SEFD-4001KNL36~57V12V,2.5A7V200-1:0.368:0.235
20SEFD-4001SNL18~57V5V,5A11V,20mA250-1:0.18:0.41
20SEFD-4201KNL36~72V5V,6A12V,20mA250-1:0.14:0.33
20SEFD-4202KNL36~72V12V,2.5A12V,20mA250-1:0.33:0.33
20SEFD-4203KNL36~72V24V,1.25A12V,20mA250-1:0.67:0.33
20SEFD-4204KNL36~72V3.3V,9A12V,20mA250-1:0.09:0.33
20SEFD-4205KNL36~72V19.5V,1.5A12V,20mA250-1:0.56:0.33
20SEFD-5002SNL18~57V12V,2.1A11V,20mA250-1:0.47:0.41
20SEFD-5003SNL18~57V24V,1.25A11V,20mA250-1:0.88:0.41
20SEFD-5004SNL18~57V3.3V,7.5A11V,20mA250-1:0.12:0.41
20SEFD-9001CCNL10~57V5V,5A12V,20mA250-1:0.8:1.9
20SEFD-9002CCNL10~57V12V,2A12V,20mA250-1:1.9:1.9
20SEFD-9301NNL30~75V5V,4.5A12V,20mA55011:4:411:9:11
Part NumberLDCRSchMech
(Ohms MAX)
(uH)PrisecAux / bia
20SEFD-0221KNL2.16 ± 10%9.04.5200KS1
20SEFD-0361CNNL3.6 ± 10%8.0180
200
250
-CNS2
20SEFD-0453KNL4.5 ± 7%9.53.0130KS1
20SEFD-0454KNL4.5 ± 5%9.523130KS1
20SEFD-0455KNL4.5 ± 5%9.55.0130KS1
20SEFD-0551BVNL5.5 ± 10%50400
280
350BVS3
20SEFD-0601KNL6.48 ± 5%2011.5300KS1
20SEFD-0721BPNL7.2 ± 5%5210
8.0
240BPS1
20SEFD-0721DBNL7.2 ± 5%529.0
3.5
9.0
240DBS1
20SEFD-0801CANL8.0 ± 10%303555CAS1
20SEFD-0881BLNL8.8 ± 10%2810
8.0
140BLS1
20SEFD-0901AZNL9.0 ± 5%185.0350AZS1
20SEFD-0902AZNL9.0 ± 10%1850.0350AZS1
20SEFD-0941SNL9.35 ± 10%2555350SS1
20SEFD-1011VNL100 ± 12%7215680VS1
20SEFD-1012VNL100 ± 12%7215680VS1
20SEFD-1013VNL100 ± 12%11020680VS1
20SEFD-1201CANL12.0 ± 10%302055CAS1
20SEFD-1201XNL11.5 ± 10%2812
5.0
62
190XS1
20SEFD-1311VNL130 ± 25%455.0135VS1
20SEFD-1401BWNL14.0 ± 10%401070BWS1
20SEFD-1611BHNL160 ± 10%10050
420
900BHS1
20SEFD-1701KNL17 ± 10%4811325KS1
20SEFD-1711BBNL172.8 ± 28%438.5
100
560
340
BBS1
20SEFD-2101KNL20.5 ± 5%398.5230KS1
20SEFD-2511VNL246MIN675.0175VS1
20SEFD-2901KNL28.5 ± 5%393.5230KS1
20SEFD-3111VNL307 ± 25%6527240VS1
20SEFD-4001KNL40.0 ± 10%8030180KS1
20SEFD-4001SNL50.0 ± 10%355315SS1
20SEFD-4201KNL42.0 ± 10%695.0225KS1
20SEFD-4202KNL42.0 ± 10%6520195KS1
20SEFD-4203KNL42.0 ± 10%6055195KS1
20SEFD-4204KNL42.0 ± 10%702.3220KS1
20SEFD-4205KNL42.0 ± 10%6037195KS1
20SEFD-5002SNL50.0 ± 10%2625315SS1
20SEFD-5003SNL50.0 ± 10%2680315SS1
20SEFD-5004SNL50.0 ± 10%262.6328SS1
20SEFD-9001CCNL90MIN1815320CCS1
20SEFD-9002CCNL90MIN17.547320CCS1
20SEFD-9301NNL93MIN3515/15100NS1
Certification
Mechanicals and Dimensions
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Files Download
High Frequency Transformer for PoE Solution 20SEFD Series
High Frequency Transformer for PoE Solution 20SEFD Series

PoE Solution High Frequency Wire Wound Transformer PDF Catalogue (Up to 95W)

Download

Products

PoE SMD High Frequency Transformer with EFD20 platforms-SMT - PoE SMD High Frequency Power Transformer | 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 Transformer with EFD20 platforms-SMT, 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.