This part is a kind of semiconductor called 1N3612.

Function of this product has (1N3611 - 1N3957) Standard Recovery Rectifier Diode.

Manufacturers : Semtech Corporation

Image and pinout :

Some of the text within the PDF file :

POWER DISCRETES Description Quick reference data VR = IO = trr = V = F 1N3611, 1N3612, 1N3613, 1N3614, 1N3957 Axial Leaded Hermetically Sealed Standard Recovery Rectifier Diode Features ‹ ‹ ‹ ‹ ‹ Low reverse leakage current Hermetically sealed in Metoxilite fused metal oxide Good thermal shock resistance Low forward voltage drop Avalanche capability 200 - 1000 V 1.0A 2µS 1.1V These products can be supplied as JANTX levels. Electrical Specifications Electrical specifications @ TA = 25°C unless otherwise specified. Types VRWM VF IO IFSM IR TRR T S TG an d T J R θ JL L=.375 inch (9.53mm) At: T J = 25°C IO = 1A At: TA = +100°C (1)(2) At: TA = +150°C (1)(2) TA = +25°C IO = 1 A dc tp = 8.0ms VRWM, TJ = 25°C 0.5A IO to 1.0A IRM recover to 0.25A IRM (REC) µS 2 2 2 [ ... ]

1N3612 PDF Datasheet Download