BTA208-600E,127 vs BTA208-600D,127
| Part Number |
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| Category | Thyristors - TRIACs | Thyristors - TRIACs |
| Manufacturer | NXP USA Inc. | WeEn Semiconductors |
| Description | TRIAC, 600V, 8A, TO-220AB | TRIAC SENS GATE 600V 8A TO220AB |
| Package | Bulk | Tube |
| Series | - | - |
| Operating Temperature | 125°C (TJ) | 125°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-3 | TO-220-3 |
| Supplier Device Package | TO-220AB | TO-220AB |
| Configuration | Single | Single |
| Current - Hold (Ih) (Max) | 25 mA | 15 mA |
| Voltage - Off State | 600 V | 600 V |
| Voltage - Gate Trigger (Vgt) (Max) | 1.5 V | 1.5 V |
| Current - Gate Trigger (Igt) (Max) | 10 mA | 5 mA |
| Current - On State (It (RMS)) (Max) | 8 A | 8 A |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 65A, 72A | 65A, 72A |
| Triac Type | Logic - Sensitive Gate | Logic - Sensitive Gate |
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1. What is a TRIAC, and how does it differ from an SCR?
A TRIAC is a bidirectional device that can control AC power, effectively working as two SCRs in parallel but in opposite directions. Unlike an SCR, which only conducts in one direction, a TRIAC operates in both directions, making it ideal for AC applications.
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2. What are the main uses of TRIACs?
TRIACs are commonly used in phase control applications like light dimmers, motor speed controls, and heaters, as well as in domestic appliances where bidirectional AC control is needed.
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3. What are the limitations of TRIACs?
TRIACs are less efficient for high-power or complex control systems due to asymmetric triggering and potential noise issues. They are more suited to low-to-medium power applications.
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4. What is the significance of the main terminals (MT1 and MT2) in TRIACs?
The MT1 and MT2 terminals are not interchangeable. Correct configuration is critical for TRIAC operation, as gate current must flow relative to MT2.
