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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0402 1LN
- Series：Z-PMS
- Mfr：KEMET
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Power Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：-
- 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 KEMET Z0402C121FPMST is a surface-mount ferrite bead from the Z-SMS series, designed for noise suppression in power lines. It features an impedance of 120 Ohms at 100 MHz and supports a maximum DC current of 500 mA. The component has a maximum DC resistance of 140 mOhms and operates within a temperature range of -55°C to +125°C. It utilizes a standard 0402 (1005 metric) package with SMD/SMT termination.
Feature Summary
- Provides effective high-frequency noise attenuation for power line applications
- Engineered for compact surface-mount integration in space-constrained designs
- Maintains stable performance across a wide industrial temperature range
Applications
- Power line noise suppression
- High-frequency signal filtering
- Compact electronic device design
Procurement Notes
Verify the specific suffix FPMST against official KEMET documentation to confirm exact electrical tolerances and termination specifications. Ensure compatibility with existing PCB footprint requirements for the 0402 package. Cross-reference the latest datasheet for any updates regarding material composition or RoHS compliance status prior to final procurement decisions.
Selection Notes
Select this component when a low-impedance path is required alongside significant high-frequency attenuation. The 140 mOhms DCR minimizes voltage drop in power circuits. Compare against similar Z-SMS variants if higher current ratings or different impedance profiles are needed for the specific application constraints.
Part Context
This part belongs to the KEMET Z-SMS series of ferrite beads, which are widely used for electromagnetic interference suppression. The series offers various impedance values and current ratings in standardized packages like 0402, allowing designers to balance size, cost, and performance effectively in modern electronics.
Replacement Considerations
Consult official substitution lists for equivalent ferrite beads with matching 120 Ohm impedance and 0402 footprint. Verify that alternative components meet the same 500 mA current rating and 140 mOhms DCR specifications to ensure circuit integrity.
