View bb804 datasheet:

BB 804 Silicon Variable Capacitance Diode BB 804 For FM tuners Monolithic chip with common cathode for perfect tracking of both diodes Uniform "square law" characteristics Ideal Hifi tuning device when used in low-distortion, back-to-back configuration Type Ordering Code Pin Marking Package (tape and reel) Configuration SF (see BB 804 Q62702-B372 SOT-23 Characteristics for marking of capacitance subgroups) Maximum Ratings per Diode Parameter Symbol Values Unit Reverse voltage VR 18 V Peak reverse voltage VRM 20 Forward current, TA ? 60 ?C IF 50 mA Operating temperature Top 100 ?C Storage temperature range Tstg – 65 … + 150 Thermal Resistance Junction - ambient Rth JA ? 600 K/W 10.94 Semiconductor Group 1 BB 804 Electrical Characteristics per Diode at TA =