The Vishay General Semiconductor - Diodes Division TPSMA43AHE3_A/H is a circuit protection diode that is used in various automotive applications. This product is a short supply item that is designed to meet the needs of automotive enthusiasts and professionals alike. The TPSMA43AHE3_A/H has a voltage rating of 36.8V and a breakdown voltage of 40.9V. It has a power rating of 400W and can handle peak pulse currents of up to 6.7A. The product is packaged in a DO-214AC (SMA) package and is designed to be mounted on a surface mount device (SMD). The TPSMA43AHE3_A/H is a high-quality product that is designed to meet the needs of automotive enthusiasts and professionals alike.