Description
The BT139-600E TRIAC is a bidirectional semiconductor device used to switch and control alternating current (AC) power. Unlike a conventional transistor, a TRIAC can conduct current in both directions, making it suitable for controlling AC loads in power electronics and automation projects.
Designed for four-quadrant triggering, the BT139 can be triggered using positive or negative gate current under the appropriate operating conditions. Its gate-triggering characteristics make it useful in control circuits that require reliable AC switching.
The BT139-600E is commonly used in AC motor controllers, power switching circuits, and other medium-power applications. Its TO-220 package supports through-hole PCB mounting and can accommodate a heatsink when required by the operating conditions.
Key Features
- BT139-600E four-quadrant TRIAC
- Rated blocking voltage: 600V, as indicated by the model
- Listed current rating: 16A
- Sensitive-gate triggering
- Triggering in all four quadrants
- Direct triggering from suitable low-power drivers and logic IC circuits
- Planar-passivated construction for improved voltage ruggedness
- TO-220 package
- Suitable for AC power switching and control applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | BT139-600E |
| Device Type | TRIAC |
| Blocking Voltage Rating | 600V |
| Current Rating | 16A, as stated in the product description |
| Triggering Operation | Four-quadrant |
| Gate Type | Sensitive gate, as listed |
| Package | TO-220 |
| Tab Connection | T2, as listed |
| Mounting Type | Through-hole |
| Power Dissipation | Up to 20W, as listed; depends on thermal conditions |
| Price | Rs. 60 |
| Availability | In stock |




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