Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN16 sourced attributes1 source document

onsemi · exact orderable part

2SK4124

Name: 2SK4124
Brand: onsemi

MOSFET N-CH 500V 20A TO3PB

Original manufacturerCommercial terms confirmed per lot

Manufactureronsemi

Package / caseTO-3P-3, SC-65-3

Mounting typeThrough Hole

PackingTray

Technical parameters

Technical specifications

16 normalized values · 1 validated source

2SK4124 technical parameters
Parameter	Value
Base Product Number	2SK4124 [1]
Current - Continuous Drain (Id) @ 25°C	20A (Ta) [1]
Drain to Source Voltage (Vdss)	500 V [1]
Drive Voltage (Max Rds On, Min Rds On)	10V [1]
FET Type	N-Channel [1]
Gate Charge (Qg) (Max) @ Vgs	46.6 nC @ 10 V [1]
Input Capacitance (Ciss) (Max) @ Vds	1200 pF @ 30 V [1]
Mfr	onsemi [1]
Mounting Type	Through Hole [1]
Operating Temperature	150°C (TJ) [1]
Power Dissipation (Max)	2.5W (Ta), 170W (Tc) [1]
Product Status	Obsolete [1]
Rds On (Max) @ Id, Vgs	430mOhm @ 8A, 10V [1]
Technology	MOSFET (Metal Oxide) [1]
Vgs (Max)	±30V [1]
Package / Case	TO-3P-3, SC-65-3 [1]

Catalog relationships

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

Related exact parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.