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This document is a technical datasheet for Teccor Electronics' QUADRAC series of internally triggered TRIACs. These devices integrate an internal DIAC trigger within the same package, designed to simplify AC switching and phase control applications such as speed controls, temperature modulation, and lighting controls.
The QUADRACs are available in the TO-220AB package with current capacities ranging from 4 to 15 Amperes and voltage ranges from 200 to 600 Volts. A key feature is the electrically isolated Thermotab package, which provides 2,500 V (RMS) isolation between leads and the mounting surface, eliminating the need for external insulators.
| Current Capacity Range | 4 to 15 Amperes |
|---|---|
| Voltage Range | 200-600 Volts |
| Package Type | TO-220AB |
| Electrical Isolation Rating | 2,500 V (RMS) |
| Operating Temperature Range | -40°C to +125°C |
They are used for AC switching and phase control applications such as speed controls, temperature modulation controls, and lighting controls.
It includes a DIAC trigger mounted inside the same package, saving the user the expense and assembly time of buying a discrete diac.
No, because the Thermotab package is electrically isolated to 2,500 V (RMS), eliminating the need for separate insulators.