View pdtc143xt 1 datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D088 PDTC143XT NPN resistor-equipped transistor 1999 Apr 20 Product specification Philips Semiconductors Product specification NPN resistor-equipped transistor PDTC143XT FEATURES � Built-in bias resistors R1 and R2 (typ. 4.7 k? and 10 k? 3 handbook, 4 columns respectively) 3 � Simplification of circuit design R1 1 � Reduces number of components and board space. R2 2 APPLICATIONS 1 2 Top view MAM097 � Especially suitable for space reduction in interface and driver circuits Fig.1 Simplified outline (SOT23) and symbol. � Inverter circuit configurations without use of external resistors. MARKING DESCRIPTION TYPE MARKING NPN resistor-equipped transistor in a NUMBER CODE(1) 1 SOT23 plastic package. 3 PDTC14