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Ray Publish 0.1.0 7d9671d 13h ago

FDPF20N50FT

onsemi · MOSFETs · TO-220

FDPF20N50FT from onsemi, in a TO-220. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 G input Gate; controls the channel, with VGS rated at ±30 V maximum and threshold of 3.0 to 5.0 V.
2 D passive Drain; rated 500 V drain-to-source with 20 A continuous current at TC = 25°C.
3 S passive Source; connects to the body diode anode and the load return side.

Key specifications

Parameter Value
Manufacturer onsemi
Package TO-220
Category Transistors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Drain to Source Breakdown Voltage BVDSS 500 V ID = 250µA, VGS = 0V, TJ = 25°C 3
Zero Gate Voltage Drain Current IDSS 10 µA VDS = 500V, VGS = 0V 3
Zero Gate Voltage Drain Current IDSS 100 µA VDS = 400V, TC = 125°C 3
Gate to Body Leakage Current IGSS -100 100 nA VGS = ±30V, VDS = 0V 3
Gate Threshold Voltage VGS(th) 3 5 V VGS = VDS, ID = 250µA 3
Static Drain to Source On Resistance RDS(on) 0.22 0.26 Ω VGS = 10V, ID = 10A 3
Input Capacitance Ciss 2550 3390 pF VDS = 25V, VGS = 0V, f = 1MHz 3
Output Capacitance Coss 350 465 pF VDS = 25V, VGS = 0V, f = 1MHz 3
Reverse Transfer Capacitance Crss 27 40 pF VDS = 25V, VGS = 0V, f = 1MHz 3
Total Gate Charge at 10V Qg(tot) 50 65 nC VDS = 400V, ID = 20A, VGS = 10V 3
Turn-On Delay Time td(on) 45 100 ns VDD = 250V, ID = 20A, RG = 25Ω 3
Turn-On Rise Time tr 120 250 ns VDD = 250V, ID = 20A, RG = 25Ω 3
Turn-Off Delay Time td(off) 100 210 ns VDD = 250V, ID = 20A, RG = 25Ω 3
Turn-Off Fall Time tf 60 130 ns VDD = 250V, ID = 20A, RG = 25Ω 3
Maximum Continuous Drain to Source Diode Forward Current IS 20 A 3
Maximum Pulsed Drain to Source Diode Forward Current ISM 80 A 3
Drain to Source Diode Forward Voltage VSD 1.5 V VGS = 0V, ISD = 20A 3
Drain to Source Voltage VDSS 500 V TC = 25°C 2
Gate to Source Voltage VGSS -30 30 V TC = 25°C 2
Drain Current - Continuous ID 20 A TC = 25°C; limited by maximum junction temperature 2
Drain Current - Continuous ID 12.9 A TC = 100°C; limited by maximum junction temperature 2
Drain Current - Pulsed IDM 80 A Note 1; limited by maximum junction temperature 2
Single Pulsed Avalanche Energy EAS 1110 mJ Note 2 2
Avalanche Current IAR 20 A Note 1 2
Repetitive Avalanche Energy EAR 25 mJ Note 1 2
Peak Diode Recovery dv/dt dv/dt 20 V/ns Note 3 2
Power Dissipation PD 38.5 W TC = 25°C 2
Power Dissipation Derate above 25°C PD 0.3 W/°C Derate above 25°C 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Maximum Lead Temperature for Soldering TL 300 °C 1/8" from case for 5 seconds 2
Thermal Resistance, Junction to Case RθJC 3.3 °C/W Max. 2
Thermal Resistance, Junction to Ambient RθJA 62.5 °C/W Max. 2
Breakdown Voltage Temperature Coefficient ΔBVDSS/ΔTJ 0.7 V/°C ID = 250µA, Referenced to 25°C 3
Forward Transconductance gFS 25 S VDS = 20V, ID = 10A 3
Gate to Source Gate Charge Qgs 14 nC VDS = 400V, ID = 20A, VGS = 10V 3
Gate to Drain Miller Charge Qgd 20 nC VDS = 400V, ID = 20A, VGS = 10V 3
Reverse Recovery Time trr 154 ns VGS = 0V, ISD = 20A, dIF/dt = 100A/µs 3
Reverse Recovery Charge Qrr 0.5 µC VGS = 0V, ISD = 20A, dIF/dt = 100A/µs 3

CAD (KiCad official)

  • Symbol: FDPF20N50FT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: fdpf20n50ft-etched.step / fdpf20n50ft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fdpf20n50ft.step / fdpf20n50ft.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: onsemi datasheet (12 pp, sha256 a789f69a1687e623, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF