BUY DSA17-18A https://www.utsource.net/itm/p/10079897.html
The DSA17-18A is an Avalanche Rectifier Diode with simple mounting, space and weight savings, improved temperature and power cycling. It is suitable for DC power equipment supplies, DC supply for PWM inverter, field supply for DC motors and battery DC power supplies applications.
Description: DSA17-18A is a diode module manufactured by IXYS. It is a 4-pin DO-4 package with a maximum current rating of 17A and a maximum voltage rating of 18V. Features: 4-pin DO-4 package Maximum current rating of 17A Maximum voltage rating of 18V Low forward voltage drop High surge current capability Low thermal resistance Applications: Automotive Industrial Power supplies Motor control Lighting (For reference only)