This part is a kind of semiconductor called BFR93.

Function of this product has RF TRANSISTOR.

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 Symbol VCEO VCBO v EBO ic THERMAL CHARACTERISTICS Characteristic Symbol *Totai Device Dissipation, T/ = 25°C Derate above 25°C PD Storage Temperature Tstg 'Thermal Resistance Junction to Ambient RftJA •Package mounted on 99.5% alumina 10 x 8 x 0.6 mm. Value 12 15 2.0 25 Max 350 2.8 150 357 Unit . Vdc Vdc Vdc mAdc Unit mW mwrc °C °C/W BFR93.S CASE 318-02/03, STYLE 6 SOT-23 (TO-236AA/AB) RF TRANSISTOR NPN SILICON ELECTRICAL CHARACTERISTICS (Ta = 25°C unless otherwise noted) Characteristic OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage c(l = 10 mA) Collector-Base Breakdown Voltage 0C = 10 mA) Emitter-Base Breakdown Voltage E(l = 100 [ ... ]

BFR93 PDF Datasheet Download