Hyperabrupt Junction Tuning Varactor

The SMVA1470-004LF is a dual silicon, hyperabrupt junction varactor diode in a common cathode configuration. The specified high capacitance ratio and low series resistance make this varactor appropriate for low-noise voltage controlled oscillators (VCOs) and voltage-controlled crystal oscillators (VCXOs) in wireless systems for in-vehicle infotainment applications.


    • AEC-Q101 qualified
    • High capacitance ratio
    • SOT-23 package (MSL1, 260 °C per JEDEC J-STD-020

Images & Diagrams


    • Package Type
    • SOT-23
    • Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min.
    • 10
    • Ct Total Capacitance3 Vr=1 V (pF) Typ.
    • 71.3
    • Ct Total Capacitance3 Vr=4 V (pF) Typ.
    • 16.3
    • Ct Total Capacitance3 Vr=8 V (pF) Typ.
    • 7.9
    • Ct Total Capacitance3 Vr=12 V (pF) Typ.
    • Ct Total Capacitance3 Vr=20 V (pF) Typ.
    • Total Capacitance Ratio Min.1
    • 5
    • Capacitance Ratio Range (V)
    • 1 to 5
    • Rs Series Resistance Max2 (Ω)
    • 0.8

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