Specifications:

Lot of 100 varicaps BB112

Brand: Siemens
Diode acting as a variable capacitor controlled by a voltage. The nominal capacitance of 30 pF for a reverse voltage of 8 volts increases to 500 pF for 1 Volt with excellent linearity.
Very compact TO92 package
High stability

Usage:

Ideal component for replacing a mechanical capacitor. Their significant capacitance allows operation even in medium and long waves.
Numerous radio applications, receivers, VFO oscillators, generators, wobulators, transmitters, etc.
Datasheet and numerous applications available on the Internet.