Littelfuse SZ5KASMC Transient Voltage Suppressors (TVS) Diodes protect components from high voltage and high energy transients. The TVS diodes feature a strong clamping capability, high surge capability, low zener impedance, lead-free components. Littelfuse SZ5KASMC TVS Diodes offer a compact design in DO-214AB package and are ideal for automotive applications such as I/O interface protection, VCC bus protection, and in other vulnerable circuits.