View pdtc143ee 2 datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET M3D173 PDTC143EE NPN resistor-equipped transistor 1998 Jul 31 Product specification Supersedes data of 1997 Jul 03 File under Discrete Semiconductors, SC04 Philips Semiconductors Product specification NPN resistor-equipped transistor PDTC143EE FEATURES • Built-in bias resistors R1 and R2 (typ. 4.7 k? each) • Simplification of circuit design handbook, halfpage 3 3 • Reduces number of components R1 1 and board space. R2 2 12 APPLICATIONS Top view MAM346 • Especially suitable for space reduction in interface and driver circuits • Inverter circuit configurations without use of external resistors. Fig.1 Simplified outline (SC-75) and symbol. DESCRIPTION MARKING NPN resistor-equipped transistor in an SC-75 plastic package.