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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 01005 1LN
- Series：MMZ
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：210mA
- DC Resistance (DCR) (Max)：700mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：01005 (0402 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.009" (0.22mm)
- Size / Dimension：0.016" L x 0.008" W (0.40mm x 0.20mm)
- Features：-
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Overview
The MMZ0402S121CT000 is a surface-mount ferrite chip bead from the TDK MMZ series, designed for noise suppression in electronic circuits. It features a compact 01005 (0402 metric) package with dimensions of 0.4 mm x 0.2 mm x 0.2 mm. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz, with a tolerance of 25 Ohms. It supports a maximum DC current of 210 mA and has a maximum DC resistance of 700 mOhms. The device operates within a temperature range of -55°C to +125°C.
Feature Summary
- Provides effective electromagnetic interference noise suppression through high impedance characteristics in the GHz frequency band.
- Utilizes a multilayer ceramic structure to achieve high reliability and stable performance under varying thermal conditions.
- Features a miniature 01005 footprint suitable for space-constrained printed circuit board layouts.
Applications
- Noise suppression on signal lines in portable electronic devices
- Electromagnetic interference filtering in mobile communication equipment
- Circuit protection in automotive infotainment systems
Procurement Notes
Verify the specific suffix 'S' against the manufacturer's official part number breakdown to confirm impedance and current ratings. Ensure compatibility with standard SMT reflow profiles and check for RoHS compliance status in the latest datasheet before integration into production designs.
Selection Notes
Select this component when design constraints require a minimal 01005 footprint combined with moderate noise attenuation capabilities. The 210 mA current rating limits suitability for high-power applications, making it appropriate for low-current signal paths rather than main power distribution lines.
Part Context
This component belongs to the TDK MMZ series of ferrite beads, which utilizes proprietary iron oxide technology for efficient noise removal. The series includes various packages and impedance values, ranging from ultra-small forms to high-current variants, catering to diverse consumer and industrial electronics requirements.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official replacement guide or contact technical support for verified cross-reference data.
