This part is a kind of semiconductor called BF240.

Function of this product has NPN medium frequency transistor.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D186 BF240 NPN medium frequency transistor Product specification Supersedes data of 1998 Dec 02 1999 Apr 21 Philips Semiconductors Product specification NPN medium frequency transistor FEATURES • Low current (max. 25 mA) • Low voltage (max. 40 V). APPLICATIONS • AM mixers • IF amplifiers in AM/FM receivers. 1 handbook, halfpage BF240 PINNING PIN 1 2 3 base emitter collector DESCRIPTION DESCRIPTION NPN medium frequency transistor in a TO-92; SOT54 plastic package. Fig.1 2 3 3 1 2 MAM258 Simplified outline (TO-92; SOT54) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VCBO VCEO VEBO IC ICM Ptot Tstg Tj Tamb Note 1. Transistor mounted on an FR4 printed-circuit board. [ ... ]

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