The BT139 is a four-quadrant TRIAC from NXP that can handle medium power switching of loads up to 600V and 16A. With the ability to work in four quadrants, it can switch both positive and negative currents and operate with a positive or negative gate current.
BT139 Pinout Description
Pin Number
Pin Name
Description
1
T1
Current in/out
2
T2
Current in/out
3
GATE
Controls conduction between T1 and T2
TAB
T2
Current in/out
Features
600V breakdown and 16V 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
Datasheet:
BT139 TRIAC Datasheet
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