The Littelfuse Inc. 1300497-SMCG18CA-HRA is a Zener type TVS-diode circuit protection product with one bidirectional channel. The voltage-reverse standoff (typ) is 18V and the voltage-breakdown (min) is 20V. The voltage-clamping (max) at Ipp is 29.2V. The power-peak pulse is 1500W (1.5kW). The power line protection is not available. It is available in DO-215AB, SMC Gull Wing case/package. The operating temperature range is from -65°C to 150°C (TJ). It is available in tape and reel packaging with a standard package of 1,500. This product is categorized under Circuit Protection>TVS-Diodes and has alternative parts (cross-reference).