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Product Detailed Parameters
- Description：FERRITE BEAD 47 OHM 0805 1LN
- Series：Z-SMS
- Mfr：KEMET
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：47 Ohms @ 100 MHz
- Current Rating (Max)：1A
- DC Resistance (DCR) (Max)：50mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0805 (2012 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.041" (1.05mm)
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Features：-
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Overview
The KEMET Z0805C470ASMST is a multilayer ferrite chip bead in an 0805 (2012 metric) surface-mount package. It provides an impedance of 47 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 1.2 A and has a maximum DC resistance of 50 mOhms. It operates within a temperature range of -55°C to +125°C.
Feature Summary
- Multilayer ferrite construction for compact surface-mount integration
- Designed for electromagnetic interference suppression on signal lines
- High current handling capability suitable for power-sensitive circuits
Applications
- Electromagnetic interference suppression in electronic signal lines
- Noise filtering in high-speed digital circuits
- Signal integrity protection in consumer electronics
Procurement Notes
Verify the current lifecycle status before procurement, as this specific part number may be subject to end-of-life restrictions or limited availability. Confirm that the 0805 footprint and 1.2A current rating align with the target design requirements. Ensure compatibility with standard SMD/SMT reflow soldering processes defined in the official datasheet.
Selection Notes
Select this component when a 47 Ohm impedance at 100 MHz is required for EMI control in space-constrained designs. The 0805 package offers a balance between thermal performance and board real estate. Consider the 1.2A current limit to ensure the bead does not saturate under normal operating conditions while maintaining effective noise attenuation characteristics.
Part Context
This ferrite bead belongs to the Z-SMS series from KEMET, which focuses on general-purpose EMI suppression solutions. The series utilizes multilayer technology to achieve stable impedance characteristics across a wide frequency range. It serves as a passive component essential for maintaining signal integrity in modern compact electronic assemblies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence regarding impedance curves, current ratings, and physical dimensions if considering alternative manufacturers.
