Specifications:

Mounting Style: SMD/SMT
Package/Case: TO-252
Vr - Reverse Voltage: 1.2 kV
If - Forward Current: 20 A
Type: Fast Recovery Rectifiers
Configuration: Single
Vf - Forward Voltage: 2.2 V
Max Surge Current: 70 A
Ir - Reverse Current: 100 uA
Recovery Time: 95 ns
Minimum Operating Temperature: - 65 C
Maximum Operating Temperature: 150 C
Series: STTA512B
Packaging: Tube
Brand: STMicroelectronics
Height: 2.4 mm (Max)
Length: 6.6 mm (Max)
Pd - Power Dissipation: 13 W