This part is a kind of semiconductor called SVC321SPA.

Function of this product has Varactor Diode.

Manufacturers : Sanyo Semicon Device

Image and pinout :

Some of the text within the PDF file :

Ordering number :EN699H SVC321SPA Diffused Junction Type Sillicon Diode Varactor Diode (IOCAP) for AM Receiver Electronic Tuning Features · The SVC321SPA is a varactor diode with a good linearity and high capacitance raito that is capable of being operated from a low voltage and is intended for use in AM receiver electronic tuning applications. Package Dimensions unit:mm 1184 [SVC321SPA] C:Cathode A:Anode SANYO:SPA Specifications Absolute Maximum Ratings at Ta = 25˚C Parameter Reverse Voltage Junction Temperature Storage Temperature Symbol VR Tj Tstg Conditions Ratings 16 100 –55 to +100 Unit V ˚C ˚C Electrical Characteristics at Ta = 25˚C Parameter Breakdown Voltage Reverse Current Interterminal Capacitance* Symbol V(BR) R IR C1.2V C3.5V C6.0V C8.0V Quality Factor Capacitance [ ... ]

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