View 2pd1820a 2 datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D187 2PD1820A NPN general purpose transistor 1999 Apr 12 Product specification Supersedes data of 1997 May 22 Philips Semiconductors Product specification NPN general purpose transistor 2PD1820A FEATURES PINNING � High current (max. 500 mA) PIN DESCRIPTION � Low voltage (max. 50 V) 1 base � Low collector-emitter saturation voltage (max. 600 mV). 2 emitter 3 collector APPLICATIONS � General purpose switching and amplification, especially for portable equipment. 3 handbook, halfpage DESCRIPTION 3 NPN transistor in an SC-70; SOT323 plastic package. PNP complement: 2PB1219A. 1 MARKING 2 TYPE NUMBER MARKING CODE(1) 1 2 2PD1820AQ A?Q Top view MAM336 2PD1820AR A?R 2PD1820AS A?S Note Fig.1 Simplified outlin