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BFCN-2491+ - Mini-Circuits

Description: Signal Conditioning LTCC Band Pass Filter, 1950 - 3190 MHz, 50?

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BFCN-2491+ - Mini-Circuits - PCB symbol
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BFCN-2491+ - Mini-Circuits PCB footprint - Other - Other - BFCN-2491+-1
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BFCN-2491+ - Mini-Circuits - 3D model - Other - BFCN-2491+-1
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BFCN-2491+ Details

  • Manufacturer Part Number:

    BFCN-2491+

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • Manufacturer:

    Mini-Circuits

  • YTEOL:

    6.49

  • Average Input Power:

    1 W

  • Center or Cutoff Frequency (fo/fc):

    2491 MHz

  • Filter Type:

    CERAMIC BPF

  • Height:

    1.3 mm

  • Input/Output Impedance:

    50 OHM

  • Insertion Loss-Max:

    3 dB

  • Length:

    3.2 mm

  • Mounting Type:

    SURFACE MOUNT

  • Number of Sections-Max:

    1

  • Number of Sections-Min:

    1

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Width:

    1.6 mm

BFCN-2491+ Frequently Asked Questions (FAQs)

  • Mini-Circuits recommends a 4-layer PCB with a solid ground plane on the bottom layer, and a via-stitched ground plane on the top layer. The device should be placed near the edge of the board to minimize signal reflections. A low-impedance path to ground is essential for the device's internal biasing network.
  • The BFCN-2491+ requires a 5V supply voltage and a bias current of 100mA. Ensure that the power supply is clean and well-regulated, and that the bias current is set correctly using the recommended resistor values. Consult the application note AN-60-014 for more information.
  • The BFCN-2491+ can handle input powers up to +20dBm without damage. However, operation above +15dBm may result in reduced performance and increased distortion. Consult the datasheet for more information on input power handling.
  • Common issues such as oscillations or instability can be caused by poor PCB layout, inadequate grounding, or incorrect biasing. Consult the application note AN-60-014 for troubleshooting guidelines, and ensure that the device is operated within its recommended specifications.
  • The BFCN-2491+ has a maximum junction temperature of 150°C. Ensure that the device is mounted on a heat sink or a thermally-conductive PCB material, and that there is adequate airflow around the device to prevent overheating.

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BFCN-2491+ Overview

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About Mini-Circuits

Mini-Circuits is a global leader in the design, manufacturing, and distribution of RF and microwave components and systems. The company's product portfolio includes a vast array of components such as amplifiers, mixers, splitters, couplers, filters, switches, and attenuators, among others. These components cover frequency ranges from DC to 65 GHz and beyond, serving applications in wireless communication, satellite communication, radar systems, test and measurement equipment, medical devices, and more.

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