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Home » Products » Transformer Category » High Frequency Transformer (PoE) » High Frequency Transformer, PoE Up To 95W, SMD With EFD20 Platforms-SMT

High Frequency Transformer, PoE Up To 95W, SMD With EFD20 Platforms-SMT

High Frequency Transformer, PoE Up To 95W, SMD With EFD20 Platforms-SMT ‹ ›
High Frequency Transformer, PoE Up To 95W, SMD With EFD20 Platforms-SMT
Product Features

High Frequency Transformer, PoE up to 95W, SMD with EFD20 platforms-SMT

20SEFD Series

SMD10/SMD12 High Frequency Transformer For PoE applications

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.

Leading high efficiency PoE transformer SMD and 95W high power PoE magnetics. Our low profile EFD20 transformers feature high power density and ferrite core SMD design. We offer custom EFD20 power transformers for industrial, sensing, wireless networking, telecom, and aerospace applications.

Yuan Dean can provide high efficiency production solutions and customized products.

Any OEM/ ODM requirement is welcome. We look forward to cooperating with you!

PoE SMD High Frequency Wire Wound Transformer(20SEFD Series) | PCB Mount Power Transformer | custom efd transformer manufacturer
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
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