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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：AEC-Q200
- 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 MMZ1005S121HTD25 is a single-channel ferrite chip bead from the MMZ-H series, manufactured by TDK. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.0 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 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 signal line applications to suppress electromagnetic interference.
- Constructed in a compact 0402 surface-mount footprint for space-constrained layouts.
- Capable of handling high DC currents up to 700 mA without saturation.
Applications
- Signal line noise suppression in electronic circuits
- Electromagnetic interference filtering for general signal paths
Procurement Notes
Verify the specific suffix HTD25 against official TDK documentation to confirm packaging type and tape specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and availability status before procurement.
Selection Notes
Select this component when a 0402 footprint is required for signal lines needing 120 Ohms attenuation at 100 MHz. The 700 mA current rating suits applications with moderate DC bias. Verify that the 130 mOhms DC resistance meets power loss constraints. Confirm compatibility with standard SMT reflow processes given the ceramic construction.
Part Context
This part belongs to the MMZ-H series of ferrite beads, which are optimized for high-current signal line applications. The MMZ series is widely used in consumer electronics and industrial equipment for EMI suppression. The 0402 size offers a balance between performance and board space efficiency compared to larger packages.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult TDK technical support or authorized distributors for verified equivalents matching the electrical and mechanical specifications.
