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LFCN-490+ - Mini-Circuits

Description: Signal Conditioning LOW PASS FLTR / SURF MT / RoHS

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LFCN-490+ - Mini-Circuits - PCB symbol
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PCB Footprints
LFCN-490+ - Mini-Circuits PCB footprint - Other - Other - 3.2*1.6_2025
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LFCN-490+ - Mini-Circuits - 3D model - Other - 3.2*1.6_2025
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LFCN-490+ Details

  • Manufacturer Part Number:

    LFCN-490+

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT, CERAMIC, CASE FV1206, 4 PIN

  • ECCN Code:

    EAR99

  • Manufacturer:

    Mini-Circuits

  • YTEOL:

    7.19

  • Additional Feature:

    ATTENUATION MIN 20 DB AT 800 MHZ; ATTENUATION MAX 40 DB AT 2500 MHZ

  • Attenuation Frequency (+/- delta f)-Max:

    230000 kHz

  • Attenuation Frequency (+/- delta f)-Min:

    150000 kHz

  • Attenuation@Freq-Max:

    40 dB

  • Attenuation@Freq-Min:

    20 dB

  • Average Input Power:

    8.5 W

  • Center or Cutoff Frequency (fo/fc):

    650 MHz

  • Filter Type:

    CERAMIC LPF

  • Height:

    0.94 mm

  • Input/Output Impedance:

    50 OHM

  • Insertion Loss-Max:

    3 dB

  • JESD-609 Code:

    e3

  • Length:

    3.2 mm

  • Mounting Type:

    SURFACE MOUNT

  • Number of Sections-Max:

    7

  • Number of Sections-Min:

    7

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Terminal Finish:

    Matte Tin (Sn) - with Nickel (Ni) barrier

  • VSWR:

    1.2

  • Width:

    1.6 mm

LFCN-490+ 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 signal reflections.
  • The device requires a single +5V power supply. Ensure the power supply is well-regulated and decoupled with 0.1uF and 10uF capacitors. The bias current should be set to 100mA.
  • The maximum input power is +10dBm. Exceeding this may cause compression or damage to the device.
  • Check the power supply voltage, bias current, and input signal levels. Verify the PCB layout and ensure proper grounding. Use a spectrum analyzer to check for spurious signals or harmonics.
  • Yes, the LFCN-490+ is designed for high-reliability applications. It is built with a ruggedized package and has undergone rigorous testing for environmental and mechanical stress.

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LFCN-490+ 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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LFCN-490+ Alternates

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Part Image LFCN-490 Mini-Circuits

Ceramic LPF, 7 Section(s) Min, 7 Section(s) Max, 650MHz