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SMV2025-079LF - Skyworks

Description:  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)

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Symbol
SMV2025-079LF - Skyworks - PCB symbol
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PCB Footprints
SMV2025-079LF - Skyworks PCB footprint - Small Outline Diode Flat Lead - Small Outline Diode Flat Lead - SC-79
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3D Models
SMV2025-079LF - Skyworks - 3D model - Small Outline Diode Flat Lead - SC-79
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SMV2025-079LF Details

  • Manufacturer Part Number:

    SMV2025-079LF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SC-79

  • Pin Count:

    2

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.80

  • Manufacturer:

    Skyworks Solutions Inc

  • YTEOL:

    0

  • Additional Feature:

    LOW NOISE

  • Breakdown Voltage-Min:

    20 V

  • Configuration:

    SINGLE

  • Diode Cap Tolerance:

    9.68%

  • Diode Capacitance Ratio-Min:

    2.2

  • Diode Capacitance-Nom:

    4.65 pF

  • Diode Element Material:

    SILICON

  • Diode Type:

    VARIABLE CAPACITANCE DIODE

  • JESD-30 Code:

    R-PDSO-F2

  • Number of Elements:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Power Dissipation-Max:

    0.25 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Form:

    FLAT

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Variable Capacitance Diode Classification:

    HYPERABRUPT

SMV2025-079LF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the edge of the board to minimize the length of the input and output traces. A 50-ohm microstrip line should be used for the input and output traces.
  • The device requires a bias voltage of 3-5V and a bias current of 10-20mA. A voltage regulator or a bias tee can be used to provide the required bias voltage and current. The bias voltage should be applied to the device before the RF signal is applied.
  • The maximum power handling of the SMV2025-079LF is 2W. Exceeding this power limit can cause damage to the device. It is recommended to use an attenuator or a limiter to prevent excessive power from being applied to the device.
  • Common issues with the SMV2025-079LF include poor gain, high noise figure, and oscillation. To troubleshoot, check the bias voltage and current, ensure proper PCB layout and grounding, and verify that the input and output impedances are matched. Use a spectrum analyzer and a network analyzer to measure the device's performance.
  • Yes, the SMV2025-079LF is suitable for high-reliability applications. It is built with a rugged design and is qualified to meet the requirements of MIL-STD-883. However, it is recommended to perform additional testing and qualification for specific high-reliability applications.

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SMV2025-079LF Overview

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