PCA Electronics
Manufacturer of Quality Electromagnetic Components



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

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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.
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

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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.
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
EPC3356G-12-LF Flyback-PoE EP13 1.000 : 0.500 : 0.500 13.0 127 36-72V 12 12.0V / 1.08A 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

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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

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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
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 • Add "-LF" after part number for Lead Free

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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

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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

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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
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.
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 • 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.
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 ±85°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

 

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