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Product Detailed Parameters
- Description：FERRITE BEAD 1 KOHM 0805 1LN
- Series：MMZ
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：1 kOhms @ 100 MHz
- Current Rating (Max)：500mA
- DC Resistance (DCR) (Max)：300mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0805 (2012 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.041" (1.05mm)
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Features：-
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Overview
The TDK MMZ2012Y102BTD25 is a multi-layer ferrite bead designed for signal line filtering in automotive applications. It features a 0805 (2012 metric) surface-mount package with dimensions of 2.00mm x 1.25mm and a maximum height of 1.05mm. The component provides an impedance of 1 kOhms at 100 MHz with a tolerance of 25%. It supports a maximum current rating of 500mA and has a maximum DC resistance (DCR) of 300 milliohms. Rated under AEC-Q200 standards, it operates within a temperature range of -55°C to +125°C.
Feature Summary
- Multi-layer construction optimized for high-frequency noise suppression in compact spaces
- Automotive-grade reliability certified to AEC-Q200 standards
- Low DC resistance design minimizes power loss in signal lines
Applications
- Power supply input/output filtering
- Battery charger circuit protection
- Voltage regulation circuits
Procurement Notes
Verify the specific suffix 'BTD25' to confirm tape-and-reel packaging and termination style. Confirm AEC-Q200 qualification status if automotive compliance is required. Check current availability as this series may have discontinuation notices. Ensure the 500mA rating meets the target application's peak current demands without saturation.
Selection Notes
Select this component when a 1 kOhm impedance at 100 MHz is required for EMI suppression in 0805 footprints. The 500mA current rating suits moderate signal lines but may be insufficient for high-power rails. Compare DCR values against competitors to ensure minimal voltage drop. Verify that the 125°C operating limit aligns with the system's thermal environment.
Part Context
This part belongs to the TDK MMZ series of multi-layer ferrite beads, specifically engineered for automotive electronics. The MMZ2012 designation indicates the 0805 case size. These components are widely used in vehicles for suppressing electromagnetic interference on data and control lines where space is constrained and reliability is critical.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Users must consult official TDK cross-reference guides or distributor databases for equivalent components with matching impedance, current, and package specifications.
