BUT12A representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN12 sourced attributes1 source document

onsemi · exact orderable part

BUT12A

TRANS NPN 450V 8A TO220-3

Transistor Type
NPN
Voltage - Collector Emitter Breakdown (Max)
450 V
Current - Collector (Ic) (Max)
8 A
Vce Saturation (Max) @ Ib, Ic
1.5V @ 1.2A, 6A
Power - Max
100 W
Current - Collector Cutoff (Max)
1mA
Operating Temperature
150°C (TJ)
Product Status
Obsolete
Mounting Type
Through Hole
Original manufacturerCommercial terms confirmed per lot
Manufactureronsemi
Package / caseTO-220-3
Mounting typeThrough Hole
PackingBulk

Technical parameters

Technical specifications

BUT12A technical parameters
ParameterValue
Current - Collector (Ic) (Max)8 A [1]
Base Product NumberBUT12 [1]
Current - Collector Cutoff (Max)1mA [1]
Mfronsemi [1]
Mounting TypeThrough Hole [1]
Operating Temperature150°C (TJ) [1]
Power - Max100 W [1]
Product StatusObsolete [1]
Transistor TypeNPN [1]
Vce Saturation (Max) @ Ib, Ic1.5V @ 1.2A, 6A [1]
Voltage - Collector Emitter Breakdown (Max)450 V [1]
Package / CaseTO-220-3 [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.