SMV1281 Series

Hyperabrupt Junction Tuning Varactor

The SMV1281 series of surface mount hyperabrupt junction varactor diodes are designed for very high capacitance tuning ratios with a low series resistance, which makes these devices especially attractive for wideband Voltage-Controlled Oscillator (VCO) applications.

SMV1281 Series includes SMV1281-079LF and SMV1281-011LF.

Data Sheets
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Specifications

Package Type SC-79, SOD-323
Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min.24
Ct Total Capacitance3 Vr=1 V (pF) Typ.8.6
Ct Total Capacitance3 Vr=4 V (pF) Typ.3.6
Ct Total Capacitance3 Vr=8 V (pF) Typ.1.4
Ct Total Capacitance3 Vr=12 V (pF) Typ.0.94
Ct Total Capacitance3 Vr=20 V (pF) Typ.0.69
Total Capacitance Ratio Min.112
Capacitance Ratio Range (V)1 to 20
Rs Series Resistance Max2 (Ω)1.7

Features

  • High tuning ratio
  • Packages rated MSL1, 260 °C per JEDEC J-STD-020

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