The Vishay 1.5KE24A-E3/54 is a Bidirectional Transient Voltage Suppressor (TVS) diode. This device is designed to protect electronics from voltage transients produced by electrostatic discharge, electrical fast transients, and lightning. It has an operating voltage range of 24 V and clamping voltage of 54 V. The device can dissipate up to 1.5 W of power and has a low leakage current rating of 1 µA. The 1.5KE24A-E3/54 is suitable for general application in automotive, industrial, and consumer products.