Motorola MAC24A Series Data Handbook
Summary
These robust Silicon Bidirectional Thyristor (TRIAC) components are engineered for reliable full-wave AC control applications, including sophisticated lighting systems, motor controls, heater circuits, and dedicated power supply units. The manual provides comprehensive technical documentation essential for design engineers, detailing electrical characteristics—such as blocking voltage up to 800V and 40A handling capability—along with crucial thermal performance data, derating curves, mounting procedures, and optimal usage guidelines required for high-power AC switching applications.
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SEMICONDUCTOR TECHNICAL DATA by MAC224A/D
Silicon Bidirectional 40 Amperes RMS Triode Thyristors
TRIACs 40 AMPERES RMS
. . . designed primarily for full-wave ac control applications such as lighting systems,
200 thru 800 VOLTS
heater controls, motor controls and power supplies. Blocking Voltage to 800 Volts All Diffused and Glass-Passivated Junctions for Parameter Uniformity and Stability Gate Triggering Guaranteed in Four Modes MT2 MT1
MT1 MT2
CASE 221A-07 (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 125°C, 1/2 Sine Wave 50 to 60 Hz, Gate Open)
MAC224A4 MAC224A6 MAC224A8 MAC224A10
On-State RMS Current (TC = 75°C)(2) IT(RMS Amps (Full Cycle Sine Wave 50 to 60 Hz) Peak Non-repetitive Surge Current ITSM Amps (One Full Cycle, 60 Hz, TJ = 125°C) Circuit Fusing (t = 8.3 ms) I2t A2s 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 (TC = 75°C, t 8.3 ms) PG(AV) 0.5 Watts Operating Junction Temperature Range TJ –40 to 125 °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. 2. This device is rated for use in applications subject to high surge conditions. Care must be taken to insure proper heat sinking when the device is to be used at high sustained currents. (See Figure 1 for maximum case temperatures.)
1Motorola Thyristor Device Data
Motorola, Inc. 1999
Page Summary Contents For Motorola MAC24A Series Data Handbook
Manual Details
| Brand | Motorola |
|---|---|
| Pages | 4 |
| File Size | 67.31 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What applications should I never use this thyristor device in?
It is not intended for surgical implants or life support systems where failure could cause personal injury or death.
If operating at high sustained currents, what must be ensured?
Care must be taken to ensure proper heat sinking based on the maximum case temperatures and de-rating curves.
What is the specified operational temperature range for this component?
The standard operating junction temperature range is from –40°C to 125°C.
How is the device rated for voltage capacity?
Blocking voltages are available in options including 200V, 400V, 600V, and 800V models.