View stta212s datasheet:

STTA212S ® TURBOSWITCH ? ULTRA-FAST HIGH VOLTAGE DIODE MAIN PRODUCT CHARACTERISTICS I 2A F(AV) V 1200V RRM t (typ) 65ns rr V (max) 1.5V F FEATURES AND BENEFITS SPECIFIC TO THE FOLLOWING OPERATIONS: SNUBBING OR CLAMPING, DEMAGHETIZATION AND RECTIFICATION ULTRA-FAST AND SOFT RECOVERY VERY LOW OVERALL POWER LOSSES IN SMC BOTH THE DIODE AND THE COMPANION TRANSISTOR HIGH FREQUENCY OPERATION HIGH REVERSE VOLTAGE CAPABILITY DESCRIPTION TURBOSWITCH 1200V drastically cuts losses in suitable and efficient in motor control circuitries, or all high voltage operations which require extremely in primary of SMPS as snubber, clamping or fast, soft and noise-free power diodes. demagnetizing diodes secondary of SMPS as high Due to their optimized switching performances voltage re