SMV1247 Series

Hyperabrupt Junction Tuning Varactor

The SMV1247-SMV1255 group of silicon hyperabrupt junction varactor diodes is designed for use in Voltage Controlled Oscillators (VCOs) with a low tuning voltage operation. This group of varactors is characterized for capacitance and resistance over temperature.



SMV1247 Series includes SMV1247-079LF and SMV1247-040LF

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Specifications

Package Type SC-70, SC-79, SOD-882
Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min.15
Ct Total Capacitance3 Vr=1 V (pF) Typ.4.37
Ct Total Capacitance3 Vr=4 V (pF) Typ.0.77
Ct Total Capacitance3 Vr=8 V (pF) Typ.0.64
Ct Total Capacitance3 Vr=12 V (pF) Typ.—
Ct Total Capacitance3 Vr=20 V (pF) Typ.—
Total Capacitance Ratio Min.19.5
Capacitance Ratio Range (V)0.3 to 4.7
Rs Series Resistance Max2 (Ω)6

Features

  • High capacitance ratio: C0.3V/C4.7V = 12 typical
  • Packages rated MSL1, 260 °C per JEDEC J-STD-020

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