BT138-600 Triac 600V 12A Through Hole TO-220

BT138-600 Triac 600V 12A Through Hole TO-220

The BT138-600 Triac is a robust and versatile semiconductor device designed for controlling power in AC circuits. Rated at 600 volts and 12 amps, this triac is housed in a TO-220 through-hole package, making it ideal for a wide range of applications that involve switching or phase control of alternating current.

As a bidirectional device, the BT138-600 can conduct current in both directions when triggered, which is essential for AC power control. It is frequently used in light dimmers, motor speed controllers, heater control systems, and AC switching circuits. The 600V rating ensures safe operation under standard line voltages with sufficient overhead for transients, while the 12A current capability makes it suitable for medium-power applications.

One of the key advantages of the BT138-600 is its sensitive gate triggering, which allows it to be activated with low gate current. This means it can be controlled directly by low-power logic-level devices like microcontrollers or Optoisolator, enabling easy integration into smart control systems. The low gate current requirement also contributes to reduced heat generation and more efficient operation.

The TO-220 package offers excellent heat dissipation characteristics, thanks to its metal tab, which can be mounted to a heatsink for additional thermal management in high-power applications. This ensures the triac remains cool and reliable even under demanding load conditions.

Moreover, the BT138-600 provides high immunity to dv/dt (rate of voltage change), which helps prevent false triggering in noisy environments—an important feature for industrial and home automation systems.

Overall, the BT138-600 is a cost-effective, durable, and easy-to-use triac that combines high voltage and current handling capabilities with reliable switching performance. Whether you’re building a dimmer circuit or an advanced microcontroller-based control unit, the BT138-600 is a solid choice for efficient AC power control.

Features:

• Easy AC Power Control: The BT138-600 lets you switch and control AC power effortlessly, making it perfect for dimming lights, controlling motor speeds, and heating systems.
• Works Both Ways: As a bidirectional device, it can handle current in both directions, ideal for alternating current (AC) circuits.
• Logic-Friendly Triggering: It has a sensitive gate, which means you can trigger it using low-power signals from microcontrollers, timers, or optocouplers.
• Stable in Noisy Environments: Engineered to resist false triggering, it performs reliably even in environments with electrical noise or fast voltage changes.
• Easy to Mount & Cool: With its TO-220 package, it’s simple to install and easy to cool using a heatsink, helping it stay efficient under heavy loads.
• Durable & Long-Lasting: Built to withstand high voltages and currents, it’s a reliable choice for long-term use in various applications.
• Great for DIY and Professional Use: Whether you’re a hobbyist or working on industrial-level projects, the BT138-600 is a cost-effective, user-friendly component that gets the job done.
• Versatile Applications: It works great in a wide range of electronics, from home automation to commercial AC switching systems.

Pin Configuration:

Specifications:

Applications:

• Motor control.
• Industrial and domestic lighting.
• Heating.
• Static switching.

Datasheet:

BT138-600 Triac 600V 12A Through Hole TO-220