a92a5574f8931f29b3ea86efe9cbdfb86d4de547
Tech-dat/acturator-dat/TRIAC-dat/TRIAC-dat.md
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| 4 | 4 | - compare to - [[SSR-relay-dat]] |
| 5 | 5 | |
| 6 | 6 | |
| 7 | +# TRIAC Comparison Table |
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| 8 | + |
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| 9 | +| Feature | BT136 | BTA12 | BTA16 | BT138 | |
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| 10 | +|-----------------------------|------------------------|------------------------|------------------------|------------------------| |
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| 11 | +| **Maximum Voltage (V)** | 600V | 600V | 600V | 600V | |
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| 12 | +| **Maximum Current (A)** | 4A | 12A | 16A | 12A | |
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| 13 | +| **Gate Trigger Current (Igt)** | 5mA | 35mA | 35mA | 10mA | |
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| 14 | +| **Holding Current (Ih)** | 2mA | 25mA | 25mA | 15mA | |
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| 15 | +| **Thermal Resistance (Rth)**| 75°C/W | 60°C/W | 60°C/W | 75°C/W | |
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| 16 | +| **Package Type** | TO-220 | TO-220 | TO-220 | TO-220 | |
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| 17 | +| **Applications** | General-purpose AC switching | Light dimmers, motor controls | High-power AC switching | General-purpose AC switching | |
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| 18 | + |
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| 19 | + |
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| 20 | + |
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| 7 | 21 | ## TRIAC |
| 8 | 22 | A TRIAC is a bidirectional, three-electrode AC switch that allows electrons to flow in either direction. |
| 9 | 23 | It is the equivalent of two SCRs connected in a reverse-parallel arrangement with gates connected to each other. A TRIAC is triggered into conduction in both directions by a gate signal like that of an SCR. |