Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents

README

markdown

CMF20N50B

Cmos · MOSFETs · TO-220F

CMF20N50B from Cmos, in a TO-220F. 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; maximum gate-source voltage is ±30 V and the gate threshold voltage is 2 V min to 4 V max at VGS=VDS, ID=250uA.
2 D passive Drain; maximum drain-source voltage is 500 V and continuous drain current is 20 A (marked 20* for the CMF20N50B) at TC=25°C.
3 S passive Source; continuous source (body diode) current is 20 A max and pulsed source current is 60 A max.

Key specifications

Parameter Value
Manufacturer Cmos
Package TO-220F
Category Triode/MOS Tube/Transistor
Pins 3

CAD (KiCad official)

  • Symbol: CMF20N50B
  • Footprint: Package_TO_SOT_THT:TO-220F-3_Vertical
  • 3D model: TO-220F (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Cmos datasheet (2 pp, sha256 47d3853c985baac2, retrieved 2026-10-27, tier: lcsc)
  • 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

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF