This part is a kind of semiconductor called D2162.
Function of this product has 2SD2162.
Manufacturers : NEC
Image and pinout :

Some of the text within the PDF file :
DATA SHEET SILICON POWER TRANSISTOR 2SD2162 NPN SILICON EPITAXIAL TRANSISTOR (DARLINGTON CONNECTION) FOR LOW-FREQUENCY POWER AMPLIFIERS AND LOW-SPEED SWITCHING The 2SD2162 is a Darlington power transistor that can directly drive from the IC output. This transistor is ideal for motor drivers and solenoid drivers in such as OA and FA equipment. In addition, a small resin-molded insulation type package contributes to high-density mounting and reduction of mounting cost. ORDERING INFORMATION Ordering Name 2SD2162 Package Isolated TO-220 (Isolated TO-220) FEATURES • High hFE due to Darlington connection hFE ≥ 2,000 (VCE = 2.0 V, IC = 3.0 A) • Full mold package that does not require an insulating board or insulation bushing ABSOLUTE MAXIMUM RATINGS (TA = 25°C) [ ... ]
D2162 PDF Datasheet Download
