The BT138X-600F is a standard 4 pin Sensitive Gate Triac with a continuous current rating of 8A, a maximum surge current rating of 20A and a peak off-state voltage rating of 600V. This device is manufactured by NXP, a world leader in semiconductor technology. NXP is known for providing reliable, high-performance products based on its expertise in secure, embedded processing and communication architectures. The BT138X-600F is designed for cost-sensitive switching and motor control applications in a wide range of industrial, consumer, and commercial lighting products. It offers very good noise immunity, temperature stability and low on-state overcurrent protection.