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

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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!

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Product Description1

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
Part Number	Input	Output	Aux/bias	(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
	L	(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