PCA Electronics
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Pulse
UL94V0 Recognized Materials • UL1446 Class B Insulating System • Add "-LF" after part number for Lead-Free • Storage Temperature : -40°C to ±125°C • Operating Temperature : 0°C to ±70°C • IR : 10 K megW Min. 500 Vdc • Hipot : 500 Vdc

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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.
EP15760-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 5000 N/A N/A N/A N/A 100
EP15761-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 2000 N/A N/A N/A N/A 100
EP15762-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 500 N/A N/A N/A N/A 100
EP15763-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 200 N/A N/A N/A N/A 100
EP15764-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 50 N/A N/A N/A N/A 100
EP15765-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 20 N/A N/A N/A N/A 100
EP15766-LF Pulse TC2 1.000 : 1.000 : 1.000 0.0 10 N/A N/A N/A N/A 100
EP15767-LF Pulse TC2 2.000 : 2.000 : 2.000 0.0 0 N/A N/A N/A N/A 100
Pulse
UL94V0 Recognized Materials • UL1446 Class B Insulating System • Operating Temperature : 0°C to 70°C • IR : 10K Meg Ohm Min. 500 Vdc • Hipot : 500 Vdc

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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.
EP18270-LF Pulse TC2 1.000 : 1.000 0.0 2000 N/A N/A N/A 100
EP18271-LF Pulse TC2 1.000 : 1.000 0.0 500 N/A N/A N/A 100
EP18272-LF Pulse TC2 1.000 : 1.000 0.0 200 N/A N/A N/A 100
EP18273-LF Pulse TC2 1.000 : 1.000 0.0 50 N/A N/A N/A 100
EP18274-LF Pulse TC2 1.000 : 1.000 0.0 20 N/A N/A N/A 100
EP18275-LF Pulse TC2 1.000 : 1.000 0.0 10 N/A N/A N/A 100
EP18276-LF Pulse TC2 2.000 : 1.000 0.0 2000 N/A N/A N/A 100
EP18277-LF Pulse TC2 2.000 : 1.000 0.0 500 N/A N/A N/A 100
EP18278-LF Pulse TC2 2.000 : 1.000 0.0 200 N/A N/A N/A 100
EP18279-LF Pulse TC2 2.000 : 1.000 0.0 50 N/A N/A N/A 100
EP18280-LF Pulse TC2 2.000 : 1.000 0.0 20 N/A N/A N/A 100
Gate Drive Transformer
Designed to work with LT4295 and LT4276 • Operating Temperature: -40°C to ±85°C • Operating Temperature: -40°C to ±85°C • Storage Temperature: -40°C to ±130°C • Operating Frequency: 50KHz and Up • Operating Frequency: 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.
EPA4271GE-LF Gate Drive Toroidal 1.000 : 1.000 0.3 785 10V 10V / 0.03A 50 Linear Technology LT4276B,LTC4269-1,LTC4278
Push-Pull Isolation Power Transformer
Design for use with MAXIM MAX253 IC . • Push-Pull Converter Transformer • Operating Temperature : -40°C to ±125°C • 2500 Vrms Isolation(380Vrms continuous) • RoHS Compliant

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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.
EPA4452G-LF Flyback-PoE Toroidal 1CT:1CT 0.0 1020 N/A N/A N/A 0 Maxim MAX253
Push-Pull Low Power Transformer
Designed for use with Maxim Max253/Max3535E • Add "-LF" after part number for Lead-Free • Used in SMPS Push-Pull Topology • UL 94V-0 Recognized Components • UL 1446 Class B Insulation System • Switching Frequency : 350 KHz • 8 Pin SOIC PCMCIA Package • 700 Vdc Minimum Isolation • Very Low Core Loss

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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.
EPC3115S-1-LF Push-Pull Toroidal 1.000 : 1.000 : 2.000 : 2.000 0.0 394 3.3V N/A 5V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-2-LF Push-Pull Toroidal 1.000 : 1.000 : 1.300 : 1.300 0.0 988 5V N/A 5V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-3-LF Push-Pull Toroidal 1.000 : 1.000 : 2.67 : 2.67 0.0 988 5V N/A 10V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-4-LF Push-Pull Toroidal 1.000 : 1.000 : 3.000 : 3.000 0.0 988 5V N/A 12V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-5-LF Push-Pull Toroidal 1.000 : 1.000 : 1.000 : 1.000 0.0 394 3.3V N/A 5V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-6-LF Push-Pull Toroidal 1.000 : 1.000 : 0.67 : 0.67 0.0 988 5V N/A 5V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-7-LF Push-Pull Toroidal 1.000 : 1.000 : 1.500 : 1.500 0.0 988 5V N/A 12V N/A N/A 350 Maxim MAX253,MAX3535E
EPC3115S-8-LF Push-Pull Toroidal 1.000 : 1.000 : 2.000 : 2.000 0.0 988 5V N/A 15V N/A N/A 350 Maxim MAX253,MAX3535E
Push-Pull Low Power Transformer
Designed for use with Maxim MAX 845 • Used in SMPS Push-Pull Topology • UL 94V-0 Recognized Components • UL 1446 Class B Insulation System • Add "-LF" after part number for Lead-Free • Switching Frequency : 250 KHz-1 Mhz • 8 Pin SOIC PCMCIA Package • 700 Vdc Minimum Isolation • Very Low Core Loss

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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.
EPC3117S-1-LF Push-Pull Toroidal 1.000 : 1.000 : 2.000 : 2.000 0.0 150 3.3V N/A 5V N/A N/A 0 Maxim MAX845
EPC3117S-2-LF Push-Pull Toroidal 1.000 : 1.000 : 1.300 : 1.300 0.0 375 5V N/A 5V N/A N/A 0 Maxim MAX845
EPC3117S-3-LF Push-Pull Toroidal 1.000 : 1.000 : 2.67 : 2.67 0.0 375 5V N/A 10V N/A N/A 0 Maxim MAX845
EPC3117S-4-LF Push-Pull Toroidal 1.000 : 1.000 : 3.000 : 3.000 0.0 375 5V N/A 12V N/A N/A 0 Maxim MAX845
EPC3117S-5-LF Push-Pull Toroidal 1.000 : 1.000 : 1.000 : 1.000 0.0 150 3.3V N/A 5V N/A N/A 0 Maxim MAX845
EPC3117S-6-LF Push-Pull Toroidal 1.000 : 1.000 : 0.67 : 0.67 0.0 375 5V N/A 5V N/A N/A 0 Maxim MAX845
EPC3117S-7-LF Push-Pull Toroidal 1.000 : 1.000 : 1.500 : 1.500 0.0 375 5V N/A 12V N/A N/A 0 Maxim MAX845
EPC3117S-8-LF Push-Pull Toroidal 1.000 : 1.000 : 2.000 : 2.000 0.0 375 5 N/A 15V N/A N/A 0 Maxim MAX845
Surface Mount Low Power Push-Pull Transformer
Designed for use with Maxim Max 253/845 • PFA Teflon Insulation (Triple Insulated Wire) • UL1446 Class H (Class 180) Insulating System • Operating Temperature : -40°C to ±85°C • UL94-V0 Recognized Materials • Up to 1 Watt

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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.
EPC3126-1-LF Push-Pull Toroidal 1.000CT : 2.000CT 0.0 500 3.3V N/A 15V N/A N/A 250 Maxim MAX253,MAX845
EPC3126-2-LF Push-Pull Toroidal 1.000CT : 1.300CT 0.0 500 5V N/A 5V N/A N/A 250 Maxim MAX253,MAX845
EPC3126-3-LF Push-Pull Toroidal 1.000CT : 2.600CT 0.0 500 5V N/A 10V N/A N/A 250 Maxim MAX253,MAX845
EPC3126-4-LF Push-Pull Toroidal 1.000CT : 3.000CT 0.0 500 5V N/A 12V N/A N/A 250 Maxim MAX253,MAX845
EPC3126-5-LF Push-Pull Toroidal 1.000CT : 1.000CT 0.0 500 3.3V N/A 5V N/A N/A 250 Maxim MAX253,MAX845
EPC3126-6-LF Push-Pull Toroidal 1.000CT : 0.600CT 0.0 500 5V N/A 5V N/A N/A 250 Maxim MAX253,MAX845
EPC3126-7-LF Push-Pull Toroidal 1.000CT : 1.500CT 0.0 500 5V N/A 12V N/A N/A 250 Maxim MAX253,MAX845
PFC Boost Inductor
Used as Power Factor Correction PFC) Boost Inductor • Isolation Between Shield and Winding: 4.5KVrms • All parts have Faraday Shield (except Toroid) • Isolation Between Winding : 1500 Vrms • UL 94V 0 Recognized Components • UL 1446 Class B Insulation System * Up to 100% Maximum Duty Cycle • Very Large Gap Ferrite

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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.
EPC3245-1 PFC Boost EF20 N/A 70.0 2000 85 - 265Vac N/A N/A N/A N/A 200
EPC3245-10 PFC Boost E32 N/A 310.0 1000 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-11 PFC Boost ER28 N/A 310.0 500 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-12 PFC Boost ER28L N/A 310.0 1000 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-13 PFC Boost ER35 N/A 430.0 500 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-14 PFC Boost ER35L N/A 430.0 1000 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-15 PFC Boost ETD44 N/A 550.0 1000 85 - 265Vac N/A N/A N/A N/A 50
EPC3245-16 PFC Boost ETD44 N/A 550.0 500 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-17 PFC Boost ETD44 N/A 550.0 1000 85 - 265Vac N/A N/A N/A N/A 50
EPC3245-18 PFC Boost ETD44 N/A 550.0 500 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-2 PFC Boost EF20 N/A 70.0 2000 85 - 265Vac N/A N/A N/A N/A 200
EPC3245-4 PFC Boost E30 N/A 190.0 2000 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-5 PFC Boost Toroidal N/A 190.0 1000 85 - 265Vac N/A N/A N/A N/A 200
EPC3245-6 PFC Boost Toroidal N/A 190.0 2000 85 - 265Vac N/A N/A N/A N/A 100
EPC3245-7 PFC Boost Toroidal N/A 190.0 1000 85 - 265Vac N/A N/A N/A N/A 200
EPC3245-8 PFC Boost Toroidal N/A 190.0 2000 85 - 265Vac N/A N/A N/A N/A 100
PFC Boost Inductor
Used as Power Factor Correction PFC) Boost Inductor • Isolation Between Shield and Winding: 4.5KVrms • All parts have Faraday Shield (except Toroid) • Isolation Between Winding : 1500 Vrms • UL 94V 0 Recognized Components • UL 1446 Class B Insulation System * Up to 100% Maximum Duty Cycle • Very Large Gap Ferrite

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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.
EPC3246-1 PFC Boost EF20 19.8 : 1.000 70.0 2000 85 - 265Vac 20V / 0.15A N/A N/A N/A 200
EPC3246-10 PFC Boost E32 18.25 : 1.000 310.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-11 PFC Boost ER28 18.25 : 1.000 310.0 500 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-12 PFC Boost ER28L 18.25 : 1.000 310.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-13 PFC Boost ER35 17.86 : 1.000 430.0 500 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-14 PFC Boost ER35L 17.86 : 1.000 430.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-15 PFC Boost ETD44 19.17 : 1.000 550.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 50
EPC3246-16 PFC Boost ETD44 18.75 : 1.000 550.0 500 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-17 PFC Boost ETD44 19.17 : 1.000 550.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 50
EPC3246-18 PFC Boost ETD44 18.75 : 1.000 550.0 500 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-2 PFC Boost EF20 19.8 : 1.000 70.0 2000 85 - 265Vac 20V / 0.15A N/A N/A N/A 200
EPC3246-4 PFC Boost E30 20.0 : 1.000 190.0 2000 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-5 PFC Boost Toroidal 19.67 : 1.000 190.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 200
EPC3246-6 PFC Boost Toroidal 19.59 : 1.000 190.0 2000 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-7 PFC Boost Toroidal 19.67 : 1.000 190.0 1000 85 - 265Vac 20V / 0.15A N/A N/A N/A 200
EPC3246-8 PFC Boost Toroidal 19.59 : 1.000 190.0 2000 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
EPC3246-9 PFC Boost E31 18.25 : 1.000 310.0 500 85 - 265Vac 20V / 0.15A N/A N/A N/A 100
Power over Ethernet Forward Transformer
90W PoE Synchronous Forward Transformer • Designed to work with Linear Technology LT4276A • Lead free • Class B Insulation System • Switching Frequency: 200kHz • Duty Cycle: 65% Max. • Switching Ipeak: 7A • Operating Temperature: -40°C to ±125°C • Storage Temperature: -40°C to ±125°C

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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.
EPC3577G-LF Forward EFD20 1.500 : 0.875 : 1.000 90.0 180 33 - 57V 10V / 0.05A 12V / 7.5 200 Linear Technology LT4276A,LT4295
Power over Ethernet Forward Transformer
65W PoE Synchronous Forward Transformer • Designed to work with LTC3725 • Lead free • Class B Insulation System • Switching Frequency: 250 KHz •Duty Cycle: 49% Max. • Switching Ipeak: 4.5A • Operating Temperature: -40°C to ±125°C • Storage Temperature: -40°C to ±125°C

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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.
EPC3599G-LF Forward EFD20 3.500 : 1.000 65.0 240 40 - 57V N/A 5V / 13A 250 Linear Technology LTC3725
Power over Ethernet Forward Transformer
Bobbin : UL94V-0 Recognized Materials • Designed to work with LTC3725 • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±85°C • Switching Frequency: 250 KHz • Lead free • Class B Insulation System

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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.
EPC3636G-LF Forward EFD20 2.000 : 1.330 : 0.500 : 2.660 72.0 180 40 - 57V 10V / 0.02A 3.3V / 0.05A 24V / 3A 250 Linear Technology LT4295
Push-Pull Low Power Transformer
Designed to work with Texas Instruments SN6501 • Operating Temperature : -40°C to ±125°C • UL 94V-0 Recognized Components • RoHS Compliant / Lead Free • Switching Frequency : 250KHz to 550KHz

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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.
EPC3667G-LF Push-Pull Toroidal 1.000CT : 1.100CT 0.3 1000 3.3V N/A 3.3V / 0.1A N/A N/A 250 Texas Instruments SN6501
Push-Pull Low Power Transformer
Designed to work with Texas Instruments SN6501 • Operating Temperature : -40°C to ±125°C • UL 94V-0 Recognized Components • RoHS Compliant / Lead Free • Switching Frequency : 300KHz to 620KHz

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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.
EPC3668G-LF Push-Pull Toroidal 1.000CT : 1.100CT 0.8 1000 5 N/A 5V / 0.15A N/A N/A 300 Texas Instruments SN6501,SN6505
Push-Pull Low Power Transformer
Designed to work with Texas Instruments SN6501 • Operating Temperature : -40°C to ±125°C • UL 94V-0 Recognized Components • RoHS Compliant / Lead Free • Switching Frequency : 250KHz to 550KHz

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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.
EPC3669G-LF Push-Pull Toroidal 1.000CT : 1.700CT 0.5 475 3.3 N/A 5V / 0.1A N/A N/A 250 Texas Instruments SN6501
Push-Pull Low Power Transformer
Designed to work with Texas Instruments SN6501 • Operating Temperature : -40°C to ±125°C • UL 94V-0 Recognized Components • RoHS Compliant / Lead Free • Switching Frequency : 250KHz to 620KHz

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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.
EPC3670G-LF Push-Pull Toroidal 1.000CT : 1.300CT 0.5 475 5 N/A 5V / 0.1A N/A N/A 250 Texas Instruments SN6501
Push-Pull Low Power Transformer
Designed to work with Texas Instruments SN6501 • Operating Temperature : -40°C to ±125°C • UL 94V-0 Recognized Components • RoHS Compliant / Lead Free • Switching Frequency : 250KHz to 550KHz

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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.
EPC3671G-LF Push-Pull Toroidal 1.000CT : 2.000CT 0.5 475 3.3V N/A 5V / 0.1A N/A N/A 250 Texas Instruments SN6501
Power over Ethernet Forward Transformer
UL 94V-0 Recognized Materials • Storage Temperature : -40°C to ±125°C • Operating Temperature : -40°C to ±125°C • Switching Frequency : 250 KHz

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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.
EPC3682GE-LF Forward-PoE EFD20 1.000 : 0.641 : 0.289 85.0 175 40 - 57 10.75 5V / 17A 250 Linear Technology LT4276,LT4295
Power over Ethernet Forward Transformer
90W PoE Synchronous Forward Transformer • Designed to work with LTC3725 • Lead Free • Class B Insulation System • Switching Frequency : 200kHz • Duty Cycle : 65% Max. • Switching Ipeak : 7A • Operating Temperature : -40°C to ±125°C • Storage Temperature : -40°C to ±125°C

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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.
EPC3736G-LF Forward EFD20 1.500 : 0.875 : 1.000 90.0 180 33 - 57V 10V / 0.05A 12V / 7.5 200 Linear Technology LT3725
Power over Ethernet Forward Transformer
100W PoE Applications • Switching Frequency: 200kHz • Duty Cycle : 60% Max. • Operating Temperature : -40°C to ±125°C • Storage Temperature : -40°C to ±125°C • Class 130°C Insulation System

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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.
EPC3766G-LF Forward EFD20 1 : 0.75 : 0.0625 100.0 115 34 - 57V 10V / 0.05A 12V / 8.33V 200 Linear Technology LT3725,LT4276A
Power over Ethernet Forward Transformer
84W PoE Active Clamp Forward Transformer • Designed to work with On Semiconductor NCP1566 • Lead free • Class B Insulation System • Switching Frequency: 250kHz • ET Constant: 111V-?sec • Operating Temperature: -40°C to ±125°C • Storage Temperature: -40°C to ±125°C • On Semiconductor Design Notes - DN05124.PDF

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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.
EPC3786G-LF Forward EFD20 1.000 : 0.580 : 0.660 84.0 180 37 - 57V 10V /0.05A 12.0V / 7.0A 250 On Semiconductor NCP1566
Power over Ethernet Forward Transformer
25W PoE Applications • Switching Frequency: 225kHz • Duty Cycle: 70% max. • Class 155°C Insulation System • Operating Temperature: -40°C to ±130°C • Storage Temperature: -40°C to ±130°C

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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.
EPC3789G-LF Forward EP13 1.000 : 0.667 : 0.278 25.0 429 30 - 60V 12V /0.01A 5.1V / 5A 225 Linear Technology LTC4269-2

 

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