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.

Data Sheets
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Specifications

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.13.5
Capacitance Ratio Range (V)4 to 20
Rs Series Resistance Max2 (Ω)0.7

Features

  • 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)

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