These are low power general purpose rectifier diodes in a DO4 type package designed for battery chargers, converters, power supplies, and machine tool controls.
Features:
High Surge Current Capability
High Voltage Available
Cathode−to−Case Style
Forward Current: 12A
Surge Current: 230A
VRRM 500V
VRSM 613V
Direct Reverse Voltage: 400V
Minimum Avalanche Voltage: 500V