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SMV1248 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.

SMV1248 Series includes SMV1248-079LF

Please note: SMV1248-040LF is being discontinued and is not recommended for new designs.
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Features

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

Images & Diagrams

Specifications

    • Package Type
    • SC-70. SC-79, SOT-23
    • Vr Reverse Breakdown Voltage Ir = 10 µA (V) Min.
    • 15
    • Ct Total Capacitance3 Vr=1 V (pF) Typ.
    • 12.33
    • Ct Total Capacitance3 Vr=4 V (pF) Typ.
    • 1.71
    • Ct Total Capacitance3 Vr=8 V (pF) Typ.
    • 1.3
    • Ct Total Capacitance3 Vr=12 V (pF) Typ.
    • Ct Total Capacitance3 Vr=20 V (pF) Typ.
    • Total Capacitance Ratio Min.1
    • 10.8
    • Capacitance Ratio Range (V)
    • 0.3 to 4.7
    • Rs Series Resistance Max2 (Ω)
    • 3.3

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