Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain NXP or Philips Semiconductors references, use the references to Nexperia, as shown below. Instead of PMST3906 40 V, 200 mA PNP switching transistor Rev. 05 29 April 2009 Product data sheet 1. Product prole 1.1 General description PNP switching transistor in a SOT323 (SC-70) very small Surface-Mounted Device (SMD) plastic package. NPN complement: PMST3904. 1.2 Features n Collector current: I - 200 mA C n Collector-emitter voltage: V - 40 V CEO n Very small SMD plastic package 1.3 Applications n General amplication and switching 1.4 Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V collector-emitter voltage open base - - - 40 V CEO I collector current - - - 200 mA C 2. Pinning information Table 2. Pinning Pin Description Simplied outline Graphic symbol 1 base 3 3 2 emitter 3 collector 1 12 2 sym013