SC431CSK-1.TRT is a part manufactured by Semtech Corporation, a specialty semiconductor and analog/power management manufacturer. It is a miniature, space-saving, 4-pin SOT-23 package relay suitable for use in computer, instrumentation and industrial control systems. It has a nominal coil voltage of 3V and the switching contact is rated for up to 1.3A max current at 24V AC/DC. The relay is equipped with a thermal shut-off sensor that will safely shut off the relay if it exceeds its rated temperature, providing reliable, long-term operation. The relay is RoHS compliant and Halogen-free.