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 PMBTA42 300 V, 100 mA NPN high-voltage transistor Rev. 05 12 December 2008 Product data sheet 1. Product profile 1.1 General description NPN high-voltage transistor in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package. PNP complement: PMBTA92. 1.2 Features High voltage (max. 300 V) 1.3 Applications Telephony and professional communication equipment 1.4 Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V collector-emitter voltage open base - - 300 V CEO I collector current - - 100 mA C h DC current gain V =10V FE CE I =1mA 25 - - C I =10mA 40 - - C I =30mA 40 - - C 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol 1 base 3 3 2 emitter 3collector 1 12 2 sym021