PCA Flyback-PoE Transformers

Flyback-PoE

Power over Ethernet (PoE/PD) Powered Device Flyback Transformer
Used in SMPS DC/DC Converter as a Flyback Transformer in PoE/Powered Devices (PD) • Switching Frequency: 300 KHz to 400 KHz • 40% Duty Cycle Typ. @ 48 V Input • UL 94V-0 Recognized Components • UL 1446 Class B Insulation System • Low Core Loss Material • Add ?-LF? after part number for Lead Free

PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	Fsw	Controller	Chipset
			Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max			KHz	MFG	Part No.
EPC3248G-1 (-LF)	Flyback-PoE	ER14.5	1.000 : 0.100 : 0.400	0.0	120	36-57V	13.2V / 0.05A	3.3V / 3.92A	0	Power Integrations	DPA425
EPC3248G-10 (-LF)	Flyback-PoE	ER14.5	1.000 : 0.100 : 0.400	0.0	120	36-57V	13.2V / 0.05A	3.3V / 3.92A	0	Power Integrations	DPA424/5
EPC3248G-14 (-LF)	Flyback-PoE	EFD20	1.000 : 0.100 : 0.400	0.0	25	36-57V	13.2V / 0.05A	5.0V / 8.0A	0	Power Integrations	DPA426
EPC3248G-15 (-LF)	Flyback-PoE	EFD20	1.000 : 0.150 : 0.150	0.0	25	36-57V	12.0V / 0.05A	12.0V / 3.33A	0	Power Integrations	DPA426
EPC3248G-2 (-LF)	Flyback-PoE	ER14.5	1.000 : 0.150 : 0.400	0.0	120	36-57V	13.33V / 0.05A	5.0V / 2.59A	0	Power Integrations	DPA425
EPC3248G-3 (-LF)	Flyback-PoE	ER14.5	1.000 : 0.400 : 0.400	0.0	120	36-57V	12.0V / 0.05A	12.0V / 1.08A	0	Power Integrations	DPA425
EPC3248G-4 (-LF)	Flyback-PoE	ER9.5	1.000 : 0.100 : 0.400	0.0	200	36-57V	13.2V / 0.05A	3.3V / 1.16A	0	Power Integrations	DPA423
EPC3248G-5 (-LF)	Flyback-PoE	ER9.5	1.000 : 0.150 : 0.400	0.0	200	36-57V	13.33V / 0.05A	5.0V / 0.77A	0	Power Integrations	DPA423
EPC3248G-6 (-LF)	Flyback-PoE	ER9.5	1.000 : 0.371 : 0.371	0.0	200	36-57V	12.0V / 0.05A	12.0V / 0.32A	0	Power Integrations	DPA423
EPC3248G-7 (-LF)	Flyback-PoE	ER11	1.000 : 0.100 : 0.400	0.0	120	36-57V	13.2V / 0.05A	3.3V / 1.97A	0	Power Integrations	DPA424
EPC3248G-8 (-LF)	Flyback-PoE	ER11	1.000 : 0.156 : 0.406	0.0	120	36-57V	13.0V / 0.05A	5.0V / 1.30A	0	Power Integrations	DPA424
EPC3248G-9 (-LF)	Flyback-PoE	ER11	1.000 : 0.367 : 0.367	0.0	120	36-57V	12.0V / 0.05A	12.0V / 0.54A	0	Power Integrations	DPA424

Power over Ethernet Synchronus Flyback Transformer
Used in SMPS DC/DC Converter as a Flyback Transformer in PoE/Powered Devices (PD) • Add "-LF" after part number for Lead Free • UL 94V-0 Recognized Components • UL 1446 Class B Insulation System • Switching Frequency : 250 KHz • Low Core Loss Material

PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	Fsw	Controller	Chipset
			Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max			KHz	MFG	Part No.
EPC3356G-12-LF	Flyback-PoE	EP13	1.000 : 0.500 : 0.500	13.0	127	36-72V	12	12.0V / 1.08A	250
EPC3356G-3.3-LF	Flyback-PoE	EP13	1.000 : 0.500 : 0.166	13.0	127	36-72V	12	3.3V / 3.0A	250
EPC3356G-5-LF	Flyback-PoE	EP13	1.000 : 0.500 : 0.250	13.0	127	36-72V	12	5.0V / 2.6A	250

Power over Ethernet Flyback Transformer
45W PoE Applications • Designed to work with LT1725 • Used in Flyback Topology Converter • Bobbin: UL94V-0 Recognized Materials • Storage Temperature: -40°C to ±125°C • Operating Temperature: 0C to ±70°C • UL 1446 Class B Insulation System v Duty Cycle: 50% Max • Add "-LF" after part number for Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3391G-LF	Flyback-PoE	EFD20	1.000 : 0.417 : 1.111	45.0	42	36 - 57V	15V / 0.01A	36V / 1.25A			0	Linear Technology	LT1725

Power over Ethernet Flyback Transformer
45W PoE Application • Designed to work with LT1725 • Used in Flyback Topology Converter • Bobbin: UL94V-0 Recognized Materials • UL 1446 Class B Insulation System • Duty Cycle: 50% Max. • Add "-LF" after part number for Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3393G-LF	Flyback-PoE	EFD20	1.000 : 0.417 : 1.000	45.0	42	36 - 57V	15V / 0.01A	36V / 1.25A			200	Linear Technology	LT1725

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3394G-LF	Flyback-PoE	EFD25	1.000 : 0.417 : 1.000	45.0	42	36 - 57V	15V / 0.01A	36V / 1.25A			200	Linear Technology	LT1725

Power over Ethernet Synchronus Flyback Transformer
Designed to work with LT42691 Chip • Storage Temperature : -40°C to ±125°C • Operating Temperature : 0°C to ±70°C • Small Size and Cost Effective • Max. Duty Cycle : 42% • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3408G-LF	Flyback-PoE	EP13	1.670 : 1.000 : 0.250 : 0.250	25.0	38	36 - 57V	12V / 0.02A	3.3V / 7			250	Linear Technology	LT4276B,LTC4269-1

Power over Ethernet Synchronus Flyback Transformer
Designed to work with LT42691 Chip • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±85°C • Small Size and Cost Effective • Max. Duty Cycle : 42% • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3409G-LF	Flyback-PoE	EP13	2.000 : 1.000 : 0.400 : 0.400	25.0	39	36 - 57V	12V / 0.02A	5V / 5A			250	Linear Technology	LT4276B,LTC4269-1

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3410G-LF	Flyback-PoE	EP13	1.800 : 1.000 : 0.900	25.0	37	36 - 57V	12V / 0.02A	12V / 2A			250	Linear Technology	LT4276B,LTC4269-1

Power over Ethernet (PoE/PD) Flyback Transformer
25W PoE Applications • Designed to work with Linear's LTC4278 • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : 0°C to ±70°C • Class 130°C Insulation System • Duty Cycle : 62% Max • Switching Frequency : 250kHz • Add "-LF" after part number for Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3472G-LF	Flyback-PoE	EFD20	1.000 : 0.750 : 0.375	25.0	9	9 - 57V	10V / 0.03A	5V / 5A			250	Linear Technology	LTC4278

Power over Ethernet (PoE/PD) Flyback Transformer
25W PoE Applications • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : 0°C to ±70°C • Class 130°C Insulation System • Duty Cycle : 62% Max. • Switching Frequency : 250kHz • Add "-LF" after part number for Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3479G-LF	Flyback-PoE	EFD20	1.000 : 0.750 : 0.250	25.0	9	9 - 57V	10V / 0.03A	3.3V / 7.5A			250	Linear Technology	LTC4278

25W Power Over Ethernet (PoE/PD) Flyback Transformer
25W PoE Applications • Designed to work with Linear's LTC4278 • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±85°C • Class 130°C Insulation System • Duty Cycle : 62% Max • Switching Frequency : 250kHz • Add "-LF" after part number for Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3492G-LF	Flyback-PoE	EFD20	1.000 : 0.750 : 1.750	24.0	9	10 - 57V	10V / 0.03A	24V / 1A			250	Linear Technology	LTC4278

Power over Ethernet (PoE/PD) Flyback Transformer
• Designed to work with Linear's LTC4278 • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C • Class 155°C Insulation System • Duty Cycle : 62% Max. • Switching Frequency : 250kHz • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3508GE-LF	Flyback-PoE	EFD20	1.000 : 0.750 : 0.875	24.0	9	9 - 57V	10V / 0.03A	12V / 2A			250	Linear Technology	LTC4278

Power over Ethernet Synchronus Flyback Transformer
Designed to work with Linear Tech. LTC4278 • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±85°C • Class 130° Insulation System • Duty Cycle : 62% Max. • Switching Frequency : 250kHz ? Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3546G-LF	Flyback-PoE	EFD20	1.000 : 0.750 : 3.375	24.0	9	9V - 57V	10V / 0.03A	48V / 0.5A			250	Linear Technology	LTC4278

Power over Ethernet Flyback Transformer
Designed to work with LT42691 Chip • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C • Small Size and Cost Effective • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3575G-LF	Flyback-PoE	EP13	7.330 : 2.330 : 1.000	40.0	35	36 - 57V	12V / 0.20A	5V / 8A			0	Linear Technology	LT4269-1

Power over Ethernet Flyback Transformer
PoE Synchronous Forward Transformer • Designed to work with LT4276A • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C • Class 130°C Insulation System • Duty Cycle : 55% Max. • Switching Frequency : 250kHz • Lead free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3586G-LF	Flyback-PoE	EP13	1.800 : 1.000 : 0.400 : 0.400	35.0	26	48 - 57V	12V / 0.01A	5V / 7A			250	Linear Technology	LT4276B,LTC4269-1

25W Power over Ethernet (PoE/PD) Flyback Transformer
Designed to Work with Linear's LTC4278 • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C °Operating Temperature : -40°C to ±125°C • Class 130°C Insulation System • Duty Cycle : 55% Max. • Switching Frequency : 250kHz • Add ?-LF? after part number for Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3601G-LF	Flyback-PoE	EFFD20	1.000 : 1.000 : 1.125	25.0	9	9 - 57V	10V / 0.03A	12V / 2A			250	Linear Technology	LT4276,LT4295,LTC4278

Power over Ethernet Synchronus Flyback Transformer
Designed to work with LTC4269-1 and LT4276B • Switching Ipeak: 7A • Operating Temperature: -40°C to ±125°C • Storage Temperature: -40°C to ±85°C • Small Size and Cost Effective • Duty Cycle: 42% Max. • Lead free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3603G-LF	Flyback-PoE	EP13	1.800 : 1.000 : 1.800 : 1.800	25.0	37	40 - 57V	12.5V / 0.01A	24V / 1A			250	Linear Technology	LT4276B,LTC4269-1

96W Power over Ethernet (PoE/PD) Flyback Transformer
25W PoE Applications • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±85°Cv • Class 130°C Insulation System • Switching Frequency : 250kHz • ROHS Compliant • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3625G-LF	Flyback-PoE	EFD25	8.000 : 3.000 : 4.000 : 4.000	96.0	13	40 - 57V	9V / 0.03A	12V / 4A	12V / 4A		250	Linear Technology	LT4295

84W Power over Ethernet (PoE/PD) Flyback Transformer
Designed to work with LTC4295 • 84W PoE Applications • Storage Temperature: -40°C to ±125°C • Operating Temperature: -40°C to ±125°Cv • Class 130°C Insulation System • Switching Frequency:250kHz • ROHS Compliant • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3630G-LF	Flyback-PoE	EFD25	8.000 : 8:000 : 3.000	84.0	15	40 - 57V	9V / 0.03A	24V / 3.5A			250	Linear Technology	LT4295

Power Over Ethernet Flyback Transformer
Designed to work with LTC4295 • Bobbin : UL94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C • Switching Frequency: 250 KHz • Lead free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3633G-LF	Flyback-PoE	EFD20	1.000 : 0.500 : 0.500	48.0	18	41 - 57V	12V / 0.03A	12V / 4A			250	Linear Technology	LT4295

Power Over Ethernet Synchronus Flyback Transformer
Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±85°C • Small Size and Cost Effective

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3634AG-LF	Flyback-PoE	EP13	1.000 : 0.500 : 0.440	36.0	26	42 - 57V	12V / 0.01A	12V / 3A			250	Linear Technology	LT4295

Power over Ethernet Synchronus Flyback Transformer
UL 94V-0 Recognized Materials • UL 1446 Class F Insulation System Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3678GE-LF	Flyback-PoE	EFD20	1.000 : 0.104: 0.047 : 0.047	9.9	221	36 - 72V	N/A	1.8V / 2.5A	2.5V / 1.5A	3.3V / 0.05A	200	Linear Technology	LTC4267

PoE Power Transformer
UL 94V-0 Recognized Materials • UL 1446 Class F Insulation System • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3680G-LF	Flyback-PoE	EP10	1.000 : 0.208 : 0.083	7.0	253	33 - 57V	8V / 0.02A	3.3V / 2A			200	Linear Technology	LT4267

PoE Power Transformer
UL 94V-0 Recognized Materials • UL 1446 Class F Insulation System • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3681G-LF	Flyback-PoE	EP13	1.000 : 0.208 : 0.083	13.5	127	33 - 57	8V / 0.02A	3.3V / 4A			200	Linear Technology	LT4267

Power over Ethernet Flyback Transformer
Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C • Small Size and Cost Effective • 1.8A Saturation Current • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3683GE-LF	Flyback-PoE	EP7	4.000 : 2.500 : 1.000	11.5	44	36 - 57	12	5.0V / 2.3A			250	Linear Technology	LT4276,LT4295

Power over Ethernet (PoE Forward) Flyback Transformer
Designed to work with Maxim MAX5974A • Storage Temperature : -40 °C to ±125 °C • Operating Temperature : -40 °C to ±85 °C • Small Size and Cost Effective •Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3702G-LF	Forward	EP13	3.600 : 2.400 : 1.000	25.0	96	33 - 57V	12V / 0.02A	5V / 5A	N/A	N/A	275	Maxim Integrated	MAX5974A

15W Power Over Ethernet (PoE/PD) Flyback Transformer
Designed to work with Linear Technology LT3748 • Storage Temperature : -40 °C to ±125 °C • Operating Temperature : -40 °C to ±125 °C • Small Size and Cost Effective • Switching Frequency: 100 kHz • Ipeak: 8 A • Lead Free

Buy	PDF	PCA Part No.	Topology	Geometry	Turns Ratio	Po	Lp	Vin	Aux	S1	S2	S3	Fsw	Controller	Chipset
					Pri : Aux : S1 : S2 : S3	Watts	uH	Min-Max					KHz	MFG	Part No.
		EPC3921G-LF	Flyback	EP13	1.500 : 0.500 : 1.000	15.0	9	10- 40V	8V / 0.02A	15V / 1A	N/A	N/A	100	Linear Technology	LT3748

Flyback-PoE

ISO9001:2015 REGISTERED

CAREER OPPORTUNITIES

ABOUT PCA®

CONTACT US