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https://qrpparts.com/diodes/varicap/bb565.html BB565 Varicap Diode - QRPparts Silicon Variable Capacitance Diode for VHF and UHF applications. Vr=1V@20pF / Vr=2V@14.8pF / Vr=28V@2.0pF. SOD-80. varicap diode