Datasheet
MCT6, MCT61, MCT62 — Dual Phototransistor Optocouplers
©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
MCT6, MCT61, MCT62 Rev. 1.0.5
February 2010
MCT6, MCT61, MCT62
Dual Phototransistor Optocouplers
Features
■
Two isolated channels per package
■
Two packages fit into a 16 lead DIP socket
■
Choice of three current transfer ratios
■
Underwriters Laboratory (U.L.) recognized File E90700
■
VDE approved for IEC60747-5-2
Applications
■
AC line/digital logic – isolate high voltage transients
■
Digital logic/digital logic – eliminate spurious grounds
■
Digital logic/AC triac control – isolate high voltage
transients
■
Twisted pair line receiver – eliminate ground loop
feedthrough
■
Telephone/telegraph line receiver – isolate high
voltage transients
■
High frequency power supply feedback control –
maintain floating grounds and transients
■
Relay contact monitor – isolate floating grounds and
transients
■
Power supply monitor – isolate transients
Description
The MCT6X Optocouplers have two channels for density
applications. For four channel applications, two-packages
fit into a standard 16-pin DIP socket. Each channel is an
NPN silicon planar phototransistor optically coupled to a
gallium arsenide infrared emitting diode.
Schematic Package Outlines
EMITTER
COLLECTOR
ANODE
CATHODE
1
2
3
4 5
6
7
8
EMITTER
COLLECTOR
ANODE
CATHODE
Equivalent Circuit
8
1
8
1
8
1