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Product Detailed Parameters
- Description：FERRITE BEAD 80 OHM 0402 1LN
- Series：Z-SMS
- Mfr：KEMET
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：80 Ohms @ 100 MHz
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：100mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0402 (1005 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.022" (0.55mm)
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Features：-
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Overview
The KEMET Z0402C800ASMST is a ferrite chip bead from the Z-SMS series, designed for surface mount technology in a 0402 (1005 metric) package. It provides an impedance of 80 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 700 mA and features a maximum DC resistance of 100 mOhms. It operates within a temperature range of -55°C to +125°C and measures 1 mm in length, 0.5 mm in width, and 0.5 mm in height.
Feature Summary
- Provides noise suppression through high impedance characteristics at specific frequencies.
- Designed for surface mount assembly on printed circuit boards.
- Constructed as a shielded single-channel component.
Applications
- High-frequency signal line filtering
- Power supply noise attenuation
- EMI suppression in compact electronic devices
Procurement Notes
Verify the end-of-life status before finalizing designs, as the manufacturer indicates this part will be discontinued. Confirm RoHS compliance details directly with the supplier or official documentation. Ensure that the 0402 footprint matches the PCB layout requirements. Check for any specific handling instructions related to the SMD/SMT termination type during assembly processes.
Selection Notes
Select this component when a low-profile 0402 ferrite bead is required for circuits carrying up to 700 mA. The 80 Ohm impedance value is suitable for attenuating noise around 100 MHz. Consider the 100 mOhms DCR limit if voltage drop across the component is a critical design constraint. Ensure the operating environment stays within the specified -55°C to +125°C range.
Part Context
This ferrite bead belongs to the Z-SMS series from KEMET, which focuses on compact noise suppression solutions. The Z0402C800ASMST utilizes a monolithic ceramic structure optimized for high-current applications in small form factors. It serves as a passive component to mitigate electromagnetic interference in modern electronics requiring dense board layouts.
Replacement Considerations
Consult official KEMET documentation for qualified substitutes. Cross-reference impedance curves and current ratings when evaluating alternative parts. Verify package compatibility and thermal performance characteristics before substitution.
