BUY D3FS4A https://www.utsource.net/itm/p/11294305.html
D3FS4A SBD Schottky Barrier Diodes 40V 2.6A 450mV/0.45V SMC/DO-214AB marking 3FS4A low forward voltage
Description: Diode, Fast Recovery, 4A, 200V
Features:
Low forward voltage drop
High surge capability
High reliability
High temperature soldering guaranteed: 260°C/10 seconds, 0.375” (9.5mm) lead length, 5lbs. (2.3kg) tension
UL recognized (File #E-96112)
Applications:
Switching power supply
DC/DC converters
Automotive electronics
General rectification
(For reference only)