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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0402 1LN
- Series：MMZ-E
- 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)：200mA
- DC Resistance (DCR) (Max)：1.5Ohm
- 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 MMZ1005F121ET000 is a single-line ferrite bead from the MMZ-E Auto series, manufactured by TDK Corporation. It features a 0402 (1005 metric) surface-mount package with dimensions of 1.00mm x 0.50mm x 0.50mm. The component provides an impedance of 120 Ohms at 100 MHz and supports a maximum rated current of 200 mA. Its maximum DC resistance is 1.5 Ohms. It operates within a temperature range of -55°C to +125°C and complies with RoHS3 standards.
Feature Summary
- Designed for automotive signal line filtering applications
- Compact 0402 surface-mount footprint for space-constrained layouts
- High-temperature stability suitable for harsh environments
Applications
- Automotive electronic circuit protection
- Signal line noise suppression in vehicle systems
- EMI filtering for compact automotive modules
Procurement Notes
Verify the specific suffix 'F' indicates the MMZ-E Auto series qualification when sourcing. Confirm that the 200 mA current rating aligns with your circuit's operational requirements. Ensure the 0402 package size fits your PCB land pattern. Check for RoHS3 compliance documentation if required by your manufacturing standards. Validate the 120 Ohm impedance specification against your target frequency interference profile.
Selection Notes
Select this component for applications requiring automotive-grade reliability in a minimal footprint. The 200 mA rating suits low-current signal lines rather than high-power paths. Consider the 1.5 Ohm DCR impact on signal integrity. The wide operating temperature range ensures functionality in unheated automotive zones. Compare impedance characteristics against other frequencies if broadband suppression is needed.
Part Context
This part belongs to TDK's MMZ-E series, specifically tailored for automotive electronics. The MMZ1005 form factor represents the standard 0402 metric size, widely used in modern miniaturized designs. The 'Auto' designation signifies adherence to automotive quality standards, distinguishing it from general industrial variants within the broader MMZ family.
Replacement Considerations
Consult official TDK substitution guides for verified equivalents. Cross-reference impedance curves and current ratings carefully. Generic ferrite beads may lack the required automotive qualification or thermal stability.
