This part is a kind of semiconductor called D1N4148.

Function of this product has CD1N4148.

Manufacturers : CDIL

Image and pinout :

Some of the text within the PDF file :

Continental Device India Limited An IS/ISO 9002 and IECQ Certified Manufacturer IS/ISO 9002 Lic# QSC/L- 000019.2 IS / IECQC 700000 IS / IECQC 750100 HIGH SPEED SILICON SWITCHING DIODE AXIAL LEAD CD1N4148 DO-35, 500mW MARKING: Cathode band + 4148 ( no body coat) General purpose applications. Hermetically sealed glass and the glass passivated chip Provides excellent stability. ABSOLUTE MAXIMUM RATINGS (Ta=25 deg C otherwise specified) DESCRIPTION SYMBOL VRRM Peak Repetitive Reverse Voltage VR Reverse Voltage (Continuous) IF(AV) Average Forward Current IF Forward Current (DC) IFRM Repetitive Peak Forward Current Non Repetitive Peak Surge Current tp=1usec IFSM IFSM tp=1sec PTA Power Dissipation Derating Factor Tj, Tstg Operating & Storage Junction [ ... ]

D1N4148 PDF Datasheet Download