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SCHF-31+ - Mini-Circuits

Description: 765.5MHz Center Frequency High Pass RF Filter (Radio Frequency) 1.469GHz Bandwidth 1dB 8-SMD, Flat Leads

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SCHF-31+ - Mini-Circuits - PCB symbol
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PCB Footprints
SCHF-31+ - Mini-Circuits PCB footprint - Other - Other - YY161_2026-2.2
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SCHF-31+ Details

  • Manufacturer Part Number:

    SCHF-31+

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • Manufacturer:

    Mini-Circuits

  • YTEOL:

    6.7

  • Average Input Power:

    5 W

  • Center or Cutoff Frequency (fo/fc):

    765.5 MHz

  • Filter Type:

    HIGH PASS FILTER

  • Height:

    7.11 mm

  • Input Impedance:

    50 OHM

  • Insertion Loss-Max:

    1.5 dB

  • Length:

    19.05 mm

  • Mounting Type:

    SURFACE MOUNT

  • Number of Sections-Max:

    1

  • Number of Sections-Min:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Impedance:

    50 OHM Ω

  • VSWR:

    1.3

  • Width:

    9.65 mm

SCHF-31+ Frequently Asked Questions (FAQs)

  • Mini-Circuits provides a recommended PCB layout and footprint in their application note AN-60-014, which can be found on their website. It's essential to follow this layout to ensure optimal performance and minimize parasitic effects.
  • The SCHF-31+ can generate significant heat during operation. It's crucial to provide adequate heat sinking, such as a thermal pad or a heat sink, to keep the junction temperature below 125°C. Ensure good thermal conductivity between the device and the heat sink.
  • While the datasheet doesn't specify a maximum input power, it's generally recommended to keep the input power below 10 dBm to avoid compression and distortion. Exceeding this power may lead to reduced performance, increased distortion, or even device damage.
  • Yes, the SCHF-31+ can be used in a push-pull configuration to achieve higher output power and improved linearity. However, this requires careful design and layout consideration to ensure proper phasing and impedance matching.
  • The recommended biasing conditions for SCHF-31+ are Vdd = 12V, Vgg = -2V, and Idq = 100mA. However, the optimal biasing conditions may vary depending on the specific application and operating frequency. Consult the datasheet and application notes for more information.

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SCHF-31+ Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like SCHF-, or try a keyword search, such as General Purpose Passive Filters

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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