SMV2025 Series
Surface Mount, Silicon Hyperabrupt Tuning Varactor Diodes

The SMV2025 series are silicon surface mount, hyperabrupt tuning varactor diodes, excellent for use as high-Q tuning elements in an RF Voltage Controlled Oscillator (VCO), voltage-controlled phase shifter, or tunable bandpass filter.

The minimum capacitance ratio from 2 V to 10 V is 2.2 makes the SMV2025 series suitable for wide bandwidth VCOs and wide phase range phase shifters.

The SMV2025 is manufactured in a surface mount, industry-standard SC-79 package and an ultra-small SOD-882 package that offer very low parasitic inductance and capacitance.

  • Low series resistance and leakage current for low phase noise VCOs
  • High capacitance ratio: CT (2 V)/CT (10 V) = 2.2 minimum
  • Broad 18 V tuning range
  • Competitive cross to Toshiba 1SV280 varactor diode
  • SC-79 and ultra-small SOD-882 packages (MSL1, 260 °C per JEDEC J-STD-020)
Data Sheets SMV2025 Series: Surface Mount, Silicon Hyperabrupt Tuning Varactor Diodes SMV2025_Series_201431D.pdf (451 KB)
ProductName : SMV2025 Series
Package Type : SC-79, SOD-882
Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min. : 20
Ct Total Capacitance3 Vr=1 V (pF) Typ. : 5.88
Ct Total Capacitance3 Vr=4 V (pF) Typ. : 3.44
Ct Total Capacitance3 Vr=8 V (pF) Typ. : 2.24
Ct Total Capacitance3 Vr=12 V (pF) Typ. : 1.5
Ct Total Capacitance3 Vr=20 V (pF) Typ. : 1.15
Total Capacitance Ratio Min.1 : 3.0
Capacitance Ratio Range (V) : 4 to 20
Rs Series Resistance Max2 (Ω) : 1.0
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