The Littelfuse Inc. SMCG120CA-HR is a high-reliability TVS diode designed for use in a wide range of applications. It is a Win Source Part Number with a category marked as Circuit Protection>TVS - Diodes. This diode is a member of the SMCG-HR series and features a bidirectional channel. It has a reverse standoff voltage of 120V, a breakdown voltage of 133V, and a clamping voltage of 193V at a peak pulse power of 1500W. The diode operates over a wide temperature range of -65°C to 150°C and is housed in a compact DO-215AB (SMC Gull Wing) package. It is a reliable and cost-effective solution for applications that require high surge protection and low capacitance.