This part is a kind of semiconductor called 1N916.
Function of this product has SWITCHING RECTIFIERS.
Manufacturers : Digitron Semiconductors
Image and pinout :
Some of the text within the PDF file :
1N914,A,B-1N916,A,B High-reliability discrete products and engineering services since 1977 SWITCHING RECTIFIERS FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Parameter Maximum repetitive reverse voltage Average rectified forward current Non-repetitive peak forward surge current Pulse width = 1.0 second Pulse width = 1.0 microsecond Storage temperature range Operating junction temperature Power dissipation Thermal resistance, junction to ambient Symbol VRRM IF(AV) IFSM Tstg TJ PD RӨJA Value 100 200 1.0 4.0 -65 to +200 -65 to +175 500 300 Units V mA A °C °C mW °C/W ELECTRICAL CHARACT [ ... ]