MCT4 representative package visual — not an exact-product photograph

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

Exact MPN15 sourced attributes1 source document

onsemi · exact orderable part

MCT4

OPTOISO 1KV TRANSISTOR TO206AA

Number of Channels: 1
Voltage - Isolation: 1000VDC
Input Type: DC
Output Type: Transistor
Voltage - Output (Max): 30V
Current Transfer Ratio (Min): 15% @ 10mA
Current - DC Forward (If) (Max): 40 mA
Mounting Type: Through Hole
Voltage - Forward (Vf) (Typ): 1.3V

Original manufacturerCommercial terms confirmed per lot

Manufactureronsemi

Package / caseTO-206AA, TO-18-3 Metal Can

Mounting typeThrough Hole

Technical parameters

Technical specifications

15 normalized values · 1 validated source

Report a data issue

MCT4 technical parameters
Parameter	Value
Base Product Number	MCT4 [1]
Current - DC Forward (If) (Max)	40 mA [1]
Current Transfer Ratio (Min)	15% @ 10mA [1]
Input Type	DC [1]
Mfr	onsemi [1]
Mounting Type	Through Hole [1]
Number of Channels	1 [1]
Operating Temperature	-55°C~125°C [1]
Output Type	Transistor [1]
Product Status	Obsolete [1]
Vce Saturation (Max)	500mV [1]
Voltage - Forward (Vf) (Typ)	1.3V [1]
Voltage - Isolation	1000VDC [1]
Voltage - Output (Max)	30V [1]
Package / Case	TO-206AA, TO-18-3 Metal Can [1]

Specification references[1]onsemi MCT4 vendor product record ↗

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.

ManufactureronsemiView brand page →CategoryOptoisolators - Transistor, Photovoltaic OutputView category page →

Related exact parts

Other published parts

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