SMV1212 Series

Hyperabrupt Junction Tuning Varactor

The SMV121x series of silicon hyperabrupt junction varactor diodes are designed for use in Voltage Controlled Oscillators (VCOs) with a low tuning voltage operation. This family of varactors is characterized for capacitance and resistance over temperature.

SMV1212 Series Series includes SMV1212-001LF and SMV1212-079LF.

Please note: SMV1212 Series is being discontinued and is not recommended for new designs.

Data Sheets
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Specifications

Package Type SC-79, SOD-323, SOT-23
Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min.12
Ct Total Capacitance3 Vr=1 V (pF) Typ.44.9
Ct Total Capacitance3 Vr=4 V (pF) Typ.9.3
Ct Total Capacitance3 Vr=8 V (pF) Typ.5.1
Ct Total Capacitance3 Vr=12 V (pF) Typ.—
Ct Total Capacitance3 Vr=20 V (pF) Typ.—
Total Capacitance Ratio Min.15
Capacitance Ratio Range (V)1 to 4
Rs Series Resistance Max2 (Ω)0.8

Features

  • High capacitance ratio: C1v/C4v = 5 typical
  • Packages rated MSL1, 260 °C per JEDEC J-STD-020

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