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DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D109 PXTA27 NPN Darlington transistor 1997 May 14 Product specification Supersedes data of September 1994 File under Discrete Semiconductors, SC04 Philips Semiconductors Product specification NPN Darlington transistor PXTA27 FEATURES PINNING • High current (max. 0.5 A) PIN DESCRIPTION • Low voltage (max. 60 V). 1 emitter 2 collector APPLICATIONS 3 base • High input impedance preamplifiers. DESCRIPTION handbook, halfpage 3 2 NPN Darlington transistor in a SOT89 plastic package. TR1 TR2 MARKING TYPE NUMBER MARKING CODE 1 1 2 3 MAM300 PXTA27 A27 Bottom view Fig.1 Simplified outline (SOT89) and symbol. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VCBO collector-base voltage open emitter