SMV2026 Series

Surface-Mount, Silicon Hyperabrupt Tuning Varactor Diodes

The SMV2026 series are silicon surface-mount, hyperabrupt tuning varactor diodes, excellent for use as high-Q tuning elements in an RF Voltage Controlled Oscillator (VCO), voltagecontrolled phase shifter, or tunable bandpass filter.

The minimum capacitance ratio from 2 V to 10 V is 2.0, which makes the SMV2026 series suitable for wide bandwidth VCOs and wide phase- range phase shifters.

The SMV2026 is manufactured in a surface-mount, industrystandard SC-79 package and an ultrasmall SOD-882 package that offer very low parasitic inductance and capacitance.

SMV2026 series includes SMV2026-079LF and SMV2026-040LF.


    • Low series resistance and leakage current for low phase-noise VCOs
    • High-capacitance ratio: CT (2 V)/CT (10 V) = 2.0 minimum
    • Broad 15-V tuning range
    • Competitive cross to Toshiba 1SV179 varactor diode
    • SC-79 and ultrasmall SOD-882 packages (MSL1, 260 °C per JEDEC J-STD-020)

Images & Diagrams


    • Package Type
    • SC-79, SOD-882
    • Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min.
    • 15
    • Ct Total Capacitance3 Vr=1 V (pF) Typ.
    • 18
    • Ct Total Capacitance3 Vr=4 V (pF) Typ.
    • 10.5
    • Ct Total Capacitance3 Vr=8 V (pF) Typ.
    • 7
    • Ct Total Capacitance3 Vr=12 V (pF) Typ.
    • 4.5
    • Ct Total Capacitance3 Vr=20 V (pF) Typ.
    • 3
    • Total Capacitance Ratio Min.1
    • 3.5
    • Capacitance Ratio Range (V)
    • 4 to 20
    • Rs Series Resistance Max2 (Ω)
    • 0.7

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