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- Part Number CFM455D
- Manufacturer Murata Electronics
- Pin Count 5
- Part Category Filter
- Package Category Other
- Footprint Name Other - CFM455D-2
- Released Date Sep 11, 2020
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
CFM455D Details
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Manufacturer Part Number:
CFM455D
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Part Life Cycle Code:
Obsolete
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Manufacturer:
Murata Manufacturing Co Ltd
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YTEOL:
0
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Additional Feature:
9 ELEMENTS
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Attenuation Frequency (+/- delta f)-Max:
20 kHz
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Attenuation Frequency (+/- delta f)-Min:
10 kHz
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Attenuation@Freq-Max:
60 dB
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Attenuation@Freq-Min:
6 dB
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Center or Cutoff Frequency (fo/fc):
0.455 MHz
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Filter Type:
CERAMIC BPF
CFM455D Frequently Asked Questions (FAQs)
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Murata recommends a symmetrical PCB layout with a solid ground plane, and keeping the input and output traces as short as possible. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is also recommended.
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To ensure reliability, Murata recommends following the derating guidelines for the output power and input voltage, and using a heat sink or thermal pad to dissipate heat. Additionally, selecting components with high-temperature ratings and using a conformal coating can also help.
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The maximum allowed capacitance for the output filter capacitor is 10uF. Exceeding this value may cause instability or oscillation in the converter.
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Yes, the CFM455D can be used in a redundant or parallel configuration, but it requires careful design and consideration of the output voltage sense lines, input voltage, and output current sharing. Murata recommends consulting with their application engineers for guidance.
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Murata recommends following a systematic troubleshooting approach, starting with checking the input voltage, output voltage, and output current. Verify that the PCB layout and component selection meet the recommended guidelines. Use oscilloscopes and thermal imaging cameras to identify any issues. If the problem persists, consult Murata's application notes and contact their technical support team.
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CFM455D Overview
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About Murata Electronics
Murata Manufacturing Co., Ltd. is a Japanese multinational company that specializes in the design, manufacturing, and sale of electronic components and solutions.
Murata offers a wide range of electronic components and modules that are used in various industries and applications. Some of their key product categories include: capacitors, inductors, resistors, sensors, rf components and modules, and power devices.