The NXP BT134-500E is a passivated, sensitive gate triac in a SOT78 (TO-220AB) plastic package intended for use in applications requiring high bidirectional transient and blocking voltage capability and high thermal cycling performance. Typical applications include motor control, industrial and domestic lighting, heating, and static switching.
Key Features
- Blocking Voltage: Capable of withstanding voltages up to 500V, this triac is suitable for a range of AC applications.
- Current Rating: With an on-state RMS current of 4 A, the BT134-500E can handle moderate power loads.
- Sensitive Gate: The sensitive gate allows triggering by microcontrollers and other low-power logic circuits without needing additional driver components.
- Package: Enclosed in a SOT78 (TO-220AB) package, it offers a balance between compactness and the ability to dissipate heat effectively.
- Applications: Designed for motor control, heating and domestic lighting, the BT134-500E is highly versatile.
Electrical Characteristics
Parameter
Symbol
Value
Unit
Repetitive peak off-state voltage
V<sub>DRM
500
V
On-state RMS current (full sine wave)
I<sub>T(RMS)
4
A
Gate trigger current (I<sub>GT)
I<sub>GT
5 to 25
mA
Product Advantages
The BT134-500E offers a solution for designers who need a triac with a good balance between sensitivity and power handling. Its sensitive gate allows for direct interfacing with microcontrollers, making it a convenient choice for smart control systems. Moreover, its robustness in high-temperature operations and high repetitive peak off-state voltage makes it a reliable component for both industrial and domestic environments.
Note: For safe and proper operation, the BT134-500E must be used in accordance with the manufacturer's guidelines, including considerations for appropriate heat sinking and adherence to maximum rated specifications.
