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Product Detailed Parameters
- Description：FERRITE BEAD 300 OHM 0805 1LN
- Series：MMZ
- Mfr：TDK Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：300 Ohms @ 100 MHz
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：500mOhm
- 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 MMZ2012D301BTD25 is a single-line ferrite bead from the TDK MMZ Auto series, designed for signal line applications in automotive environments. It features a 0805 (2012 metric) surface-mount package with dimensions of 2.00mm length, 1.25mm width, and 0.85mm height. The component provides an impedance of 300 Ohms at 100 MHz and supports a maximum DC current of 400mA. It has a maximum DC resistance of 100 mOhms and operates within a temperature range of -55°C to +125°C. The part is AEC-Q200 qualified.
Feature Summary
- AEC-Q200 qualified for automotive reliability standards
- Single-line configuration for signal path filtering
- Compact 0805 surface-mount footprint
Applications
- Automotive electronic circuit protection
- Signal line noise suppression
- Embedded control unit filtering
Procurement Notes
Verify the specific suffix 'D' against the official TDK datasheet to confirm impedance tolerance and material composition. Confirm that the 'BTD25' packaging designation matches the required reel or cut-tape quantity for your assembly process. Ensure the AEC-Q200 qualification status is explicitly stated in the latest manufacturer documentation before integration into safety-critical designs.
Selection Notes
Select this component when a 300 Ohm impedance at 100 MHz is required for high-frequency noise attenuation in automotive signal lines. The 400mA current rating must exceed the operating current of the protected circuit to prevent saturation. The 0805 package size should be evaluated against available PCB real estate constraints compared to smaller or larger ferrite options.
Part Context
This part belongs to the TDK MMZ Auto series, which specializes in ferrite beads for automotive electronics. The series is characterized by its compliance with AEC-Q200 standards, ensuring durability under harsh thermal and mechanical conditions typical in vehicle environments. The MMZ2012 variant specifically utilizes the 0805 case size.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative ferrite beads based on identical impedance curves, current ratings, and package dimensions.
