View bc517 4 datasheet:

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BC517 NPN Darlington transistor 1999 Apr 23 Product specification Supersedes data of 1997 Apr 23 Philips Semiconductors Product specification NPN Darlington transistor BC517 FEATURES PINNING • High current (max. 500 mA) PIN DESCRIPTION • Low voltage (max. 30 V) 1 emitter • Very high DC current gain (min. 30000). 2 base 3 collector APPLICATIONS • Where very high amplification is required. 2 3 handbook, halfpage 1 DESCRIPTION TR1 2 TR2 NPN Darlington transistor in a TO-92; SOT54 plastic 3 package. PNP complement: BC516. 1 MAM302 Fig.1 Simplified outline (TO-92; SOT54) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER CONDITIONS MIN. MAX. U