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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0402 1LN
- Series：MMZ-H
- 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)：700mA
- DC Resistance (DCR) (Max)：130mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0402 (1005 Metric)
- Mounting Type：Surface Mount
- Height (Max)：-
- Size / Dimension：0.039" L x 0.020" W (1.00mm x 0.50mm)
- Features：-
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Overview
The MMZ1005S121HT000 is a ferrite chip bead from the MMZ-H series, manufactured by TDK Corporation. It features a 0402 (1005 metric) surface-mount package with dimensions of 1 mm length, 0.5 mm width, and 0.5 mm height. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. It supports a maximum DC current rating of 700 mA and has a maximum DC resistance of 130 mOhms. The device operates within a temperature range of -55°C to +125°C.
Feature Summary
- Designed for general signal line applications to suppress electromagnetic interference.
- Features low DC resistance to minimize signal loss in power paths.
- Constructed in a compact 0402 surface-mount footprint for space-constrained designs.
Applications
- General signal line noise suppression
- High-speed data line filtering
- Power supply input filtering
Procurement Notes
Verify the specific suffix HT000 to confirm the tape and reel packaging configuration and quantity per reel. Ensure the order matches the MMZ-H series designation for the correct impedance characteristics and current ratings. Cross-reference the manufacturer part number with official distributor catalogs to confirm availability and lead times prior to finalizing procurement orders.
Selection Notes
Select this component when a 120 Ohm impedance at 100 MHz is required for general signal lines. The 700 mA current rating suits moderate current applications where low DC resistance is critical. The 0402 package allows for high-density PCB layouts. Verify that the operating temperature range of -55°C to +125°C meets the environmental requirements of the target application.
Part Context
This component belongs to the MMZ Auto and MMZ-H series of ferrite beads from TDK. These series are widely used for EMI suppression in electronic circuits. The MMZ-H variant specifically emphasizes low DC resistance characteristics, making it suitable for applications where signal integrity and power efficiency are prioritized alongside noise reduction capabilities.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult TDK technical support or authorized distributors for equivalent components with matching impedance, current, and package specifications if replacement is necessary.
FAQ
What is the test frequency for the specified impedance?
The impedance of 120 Ohms is measured at a test frequency of 100 MHz.
Does this component meet automotive standards?
The provided documentation does not explicitly state AEC-Q200 qualification for the MMZ1005S121HT000 model; verify automotive compliance through official TDK datasheets.
