2SK4126 representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN16 sourced attributes1 source document

onsemi · exact orderable part

2SK4126

MOSFET N-CH 650V 15A TO3PB

FET Type
N-Channel
Drain to Source Voltage (Vdss)
650 V
Current - Continuous Drain (Id) @ 25°C
15A (Ta)
Drive Voltage (Max Rds On, Min Rds On)
10V
Rds On (Max) @ Id, Vgs
720mOhm @ 6A, 10V
Vgs (Max)
±30V
Gate Charge (Qg) (Max) @ Vgs
45.4 nC @ 10 V
Input Capacitance (Ciss) (Max) @ Vds
1200 pF @ 30 V
Power Dissipation (Max)
2.5W (Ta), 170W (Tc)
Original manufacturerCommercial terms confirmed per lot
Manufactureronsemi
Package / caseTO-3P-3, SC-65-3
Mounting typeThrough Hole
PackingTray

Technical parameters

Technical specifications

2SK4126 technical parameters
ParameterValue
Base Product Number2SK4126 [1]
Current - Continuous Drain (Id) @ 25°C15A (Ta) [1]
Drain to Source Voltage (Vdss)650 V [1]
Drive Voltage (Max Rds On, Min Rds On)10V [1]
FET TypeN-Channel [1]
Gate Charge (Qg) (Max) @ Vgs45.4 nC @ 10 V [1]
Input Capacitance (Ciss) (Max) @ Vds1200 pF @ 30 V [1]
Mfronsemi [1]
Mounting TypeThrough Hole [1]
Operating Temperature150°C (TJ) [1]
Power Dissipation (Max)2.5W (Ta), 170W (Tc) [1]
Product StatusObsolete [1]
Rds On (Max) @ Id, Vgs720mOhm @ 6A, 10V [1]
TechnologyMOSFET (Metal Oxide) [1]
Vgs (Max)±30V [1]
Package / CaseTO-3P-3, SC-65-3 [1]

Catalog relationships

Keep family and exact MPN intent separate.

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

Related exact parts

Other published parts

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