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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0603 1LN
- Series：MMZ
- 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)：500mA
- DC Resistance (DCR) (Max)：150mOhm
- Ratings：AEC-Q200
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0603 (1608 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.037" (0.95mm)
- Size / Dimension：0.063" L x 0.032" W (1.60mm x 0.80mm)
- Features：-
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Overview
The MMZ1608S121ATD25 is a single-line ferrite chip bead from the TDK MMZ Auto series, designed for surface-mount applications in the 0603 (1608 metric) package. It provides an impedance of 120 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 500 mA. The component features a maximum DC resistance of 150 mOhms and operates within a temperature range of -55°C to +125°C. It holds AEC-Q200 qualification for automotive reliability.
Feature Summary
- AEC-Q200 qualified for automotive signal line noise suppression
- Compact 0603 surface-mount footprint for space-constrained designs
- Low DC resistance to minimize power loss in high-current paths
Applications
- Automotive electronic circuit noise filtering
- Signal line EMI suppression in compact modules
- Power supply output filtering for low-voltage circuits
Procurement Notes
Verify the specific suffix 'S' against the official TDK datasheet to confirm the 150 mOhm DCR specification, as variations exist within the MMZ1608 family. Ensure the ordering part number matches the required impedance tolerance and packaging format. Cross-reference with the latest product change notices to confirm active manufacturing status and availability.
Selection Notes
Select this component when a 0603 footprint is required for automotive-grade signal integrity protection. The 500 mA current rating suits moderate-power signal lines. Compare the 120 Ohm impedance profile against target noise frequencies to ensure effective attenuation. Verify thermal management requirements given the 150 mOhm resistance under load conditions.
Part Context
This component belongs to the TDK MMZ Auto series, which specializes in ferrite beads for automotive electronics. The MMZ1608 designation indicates the 1608 metric case size. The series is engineered to meet stringent automotive quality standards, providing reliable electromagnetic interference suppression for sensitive vehicle systems.
Replacement Considerations
MMZ1608R121ATD25 offers identical impedance but higher DC resistance. MMZ1608SHE121ATD25 provides extended temperature capability up to 150°C. Verify pin compatibility and impedance curves before substitution.
