This part is a kind of semiconductor called BB914.

Function of this product has Silicon Variable Capacitance Diode (For FM radio tuner with extended frequency band High tuning ratio low supply voltage car radio).

Manufacturers : Siemens Group

Image and pinout :

Some of the text within the PDF file :

BB 914 Silicon Variable Capacitance Diode • For FM radio tuner with extended frequency band • High tuning ratio low supply voltage (car radio) • Monolitic chip (common cathode) for perfect dual diode tracking • Good linearity of C-V curve • High figure of merit Type BB 914 Marking Ordering Code SMs Q62702-B673 Pin Configuration 1 = A1 2 = A2 3=C1/2 Package SOT-23 Maximum Ratings Parameter Diode reverse voltage Peak reverse voltage Forward current, TA ≤ 60°C Operating temperature range Storage temperature Thermal Resistance Junction - ambient Symbol Values 18 20 50 - 55 ... + 125 - 55 ... + 150 ≤ 600 mA °C Unit V VR VRM IF Top Tstg RthJA K/W Semiconductor Group 1 Oct-10-1996 BB 914 Electrical Characteristics at TA=25°C, unless otherwise specified Parameter Symbo [ ... ]

BB914 PDF Datasheet Download