Motorola MAC229 Series MAC229A Series Data Sheet User Guide
Summary
High-performance MAC229 TriAC thyristors are designed for full wave control of various AC power loads, including appliances, heaters, and motors, making them ideal for industrial and consumer power switching applications. This technical manual provides comprehensive specifications and operational guidelines, detailing electrical characteristics, thermal limits, peak ratings (up to 800V/26A), and proper assembly procedures. It is essential reading for electrical engineers, circuit designers, and power technicians responsible for integrating reliable, high-current AC control components into complex systems.
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SEMICONDUCTOR TECHNICAL DATA by MAC229/D
Silicon Bidirectional Triode 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.
TRIACs
All Diffused and Glass-Passivated Junctions for Parameter Uniformity and
8 AMPERES RMS
Stability
200 thru 800 VOLTS
Small, Rugged, Thermowatt Construction for Low Thermal resistance and High Heat Dissipation Center Gate Geometry for Uniform Current Spreading Gate Triggering Guaranteed in Three Modes (MAC229 Series) or Four Modes (MAC229A Series)
MT2 MT1
CASE 221A-04 (TO-220AB) STYLE 4
MAXIMUM RATINGS (TJ = 25°C unless otherwise noted.)
Rating Symbol Value Unit
Peak Repetitive Off-State Voltage(1) VDRM Volts (TJ = –40 to 110°C 1/2 Sine ave 50 to 60 Hz, Gate Open)
MAC229-4, MAC229A4 MAC229-6, MAC229A6 MAC229-8, MAC229A8 MAC229-10, MAC229A10
On-State RMS Current (TC = 80°C) IT(RMS) Amps Full Cycle Sine Wave 50 to 60 Hz Peak Non–repetitive Surge Current ITSM Amps (One Full Cycle 60 Hz, TJ = 110°C) Circuit Fusing I2t A2s (t = 8.3 ms) Peak Gate Current (t 2 µs) IGM ±2 Amps Peak Gate Voltage (t 2 µs) VGM ±10 Volts Peak Gate Power (t 2 µs) PGM Watts Average Gate Power PG(AV) 0.5 Watts (TC = 80°C, t 8.3 ms) Operating Junction Temperature Range TJ –40 to 110 °C Storage Temperature Range Tstg –40 to 150 °C Mounting Torque in. lb. 1. VDRM for all types can be applied on a continuous basis. Blocking voltages shall not be tested with a constant current source (cont.) such that the voltage ratings of the devices are exceeded.
1Motorola Thyristor Device Data
Motorola, Inc. 1995
Page Summary Contents For Motorola MAC229 Series MAC229A Series Data Sheet User Guide
Manual Details
| Brand | Motorola |
|---|---|
| Pages | 4 |
| File Size | 84.17 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What specific loads are these TRIACs designed to control?
They are primarily designed for full wave control of AC loads, such as appliance controls, heater controls, and motor controls.
What is the maximum voltage rating available in this MAC229 series?
The MAC229-10 model offers an 800V peak repetitive off-state voltage at a continuous RMS current of 8 Amps.
Are there safety precautions when testing the blocking voltages?
Blocking voltages shall not be tested with a constant current source if doing so causes the applied voltage to exceed the rated blocking voltage.
What is the operating temperature range for these devices?
The specified operating junction temperature range (T) is from –40 to 110°C.
How is heat dissipation managed, and what are key thermal ratings?
Thermal resistance from Junction to Case ($R_{ heta JC}$) is 2.2 °C/W, and mounting requires an 8 in. lb. torque.