MAC228A Series
Preferred Device
Sensitive Gate Triacs
Silicon Bidirectional Thyristors
Designed primarily for industrial and consumer applications for
full−wave control of AC loads such as appliance controls, heater
controls, motor controls, and other power switching applications.
Features
• Sensitive Gate Triggering in 3 Modes for AC Triggering on
Sinking Current Sources
• Four Mode Triggering for Drive Circuits that Source Current
• All Diffused and Glass−Passivated Junctions for Parameter
Uniformity and Stability
• Small, Rugged, Thermowatt Construction for Low Thermal
Resistance and High Heat Dissipation
• Center Gate Geometry for Uniform Current Spreading
• Pb−Free Packages are Available*
http://onsemi.com
TRIACS
8 AMPERES RMS
200 − 800 VOLTS
MT2
4
MT1
G
MARKING
DIAGRAM
1
2
3
TO−220AB
CASE 221A
STYLE 4
MAC228AXXG
AYWW
XX
= 4, 6, 8, or 10
A
= Assembly Location
Y
= Year
WW = Work Week
G
= Pb−Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
Preferred devices are recommended choices for future use
and best overall value.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
1
March, 2006 − Rev. 4
Publication Order Number:
MAC228A/D