Overview
The BT139-800G,127 is a four-quadrant TRIAC (Triode for Alternating Current) produced by WeEn Semiconductors, although it is originally designed by NXP. This component is capable of handling medium power switching of loads up to 600V and 16A, making it versatile for various applications involving AC loads. The BT139 operates in all four quadrants, allowing it to switch both positive and negative currents with either a positive or negative gate current.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Rating (V) | 600V |
| Continuous Current (I) | 16A |
| Package Type | TO-220 |
| Power Dissipation | Up to 20W |
| Gate Current | Insensitive gate for noise immunity |
Key Features
- 600V breakdown and 16A continuous current capability
- Four-quadrant operation
- Insensitive gate for noise immunity
- TO-220 package with up to 20W power dissipation
Applications
- Motor controllers
- AC load switching
- Pulse width modulators
- Medium power switching
Q & A
- What is the voltage rating of the BT139-800G,127 TRIAC?
The BT139-800G,127 has a voltage rating of 600V. - What is the continuous current capability of the BT139-800G,127?
The BT139-800G,127 can handle a continuous current of up to 16A. - In what package is the BT139-800G,127 available?
The BT139-800G,127 is available in the TO-220 package. - What is the power dissipation of the BT139-800G,127?
The BT139-800G,127 has a power dissipation of up to 20W. - What are the key applications of the BT139-800G,127?
The BT139-800G,127 is used in motor controllers, AC load switching, pulse width modulators, and medium power switching. - How does the BT139-800G,127 differ from SCRs?
The BT139-800G,127 can operate in all four quadrants, allowing it to switch both positive and negative currents, whereas SCRs can only operate in one direction. - What is the advantage of using a TRIAC like the BT139-800G,127 in AC load switching?
TRIACs like the BT139-800G,127 can switch power during both the positive and negative half-cycles of an AC load, doubling the power available to the load compared to SCRs. - Is the gate of the BT139-800G,127 sensitive to noise?
No, the gate of the BT139-800G,127 is insensitive to noise for better reliability. - Can the BT139-800G,127 handle higher currents for short durations?
Yes, the BT139-800G,127 can handle higher currents than its rated value for short durations. - Where can I find detailed technical specifications for the BT139-800G,127?
Detailed technical specifications can be found in the datasheet available from the manufacturer or authorized distributors.
