This part is a kind of semiconductor called BF241.

Function of this product has AM/FM TRANSISTORS.

Manufacturers : Motorola

Image and pinout :

Some of the text within the PDF file :

MAXIMUM RATINGS' Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current - Continuous Total Device Dissipation @Ta = 25°C Derate above 25°C Total Device Dissipation @Tq = 25°C Derate above 25°C Operating and Storage Junction Temperature Range THERMAL CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Thermal Resistance, Junction to Ambient Symbol VCEO VCBO VEBO ic PD pd Tj. T s tg Symbol Rejc Rejc Value 40 40 4.0 25 350 2.8 1.0 8.0 -55 to +150 Max 125 357 Unit Vdc Vdc Vdc mAdc mW mW/°C Watt mW/°C °C Unit °C/W °c/w BF240 BF241 CASE 29-02, STYLE 21 TO-92 (TO-226AA) AM/FM TRANSISTORS NPN SILICON ELECTRICAL CHARACTERISTICS

BF241 PDF Datasheet Download