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Triac for AC switching.
| Part number | BT138 12A 500V TRIAC |
|---|---|
| Category | Discrete Semiconductors › Thyristors & TRIACs |
| Package | TO-220-3 |
| Pins | 3 |
| Voltage (max) | 500 V |
| Current | 12 A |
BT138 12A 500V TRIAC pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | MT1 | passive | Main terminal 1 |
| 2 | MT2 | passive | Main terminal 2 |
| 3 | G | input | Gate |
Schematic symbol and footprint
Schematic symbol
Footprint: TO-220-3 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.