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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0201 1LN
- Series：Z-SMS
- Mfr：KEMET
- Package：Tape & Reel (TR),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)：500mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：0201 (0603 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.013" (0.33mm)
- Size / Dimension：0.024" L x 0.012" W (0.60mm x 0.30mm)
- Features：-
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Overview
The KEMET Z0201C121BSMST is a multi-layer ferrite bead designed for noise suppression in surface-mount applications. It features a 0201 (0603 metric) package with an impedance of 120 ohms at 100 MHz and a tolerance of ±25%. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 500 milliohms. It operates within a temperature range of -55°C to +125°C.
Feature Summary
- Multi-layer construction for effective high-frequency noise attenuation
- Compact 0201 footprint suitable for space-constrained designs
- Stable performance across wide industrial temperature ranges
Applications
- High-speed data line filtering
- Power supply noise suppression
- RF circuit interference reduction
Procurement Notes
Verify the specific suffix 'SMST' against the manufacturer's latest documentation to confirm tape-and-reel packaging specifications. Confirm RoHS compliance status directly with the supplier, as regulatory updates may affect material declarations. Ensure the ordering quantity matches the standard reel size defined in the official datasheet to avoid handling discrepancies during assembly.
Selection Notes
Select this component when a low-profile solution is required for EMI suppression on signals carrying up to 200 mA. The 120-ohm impedance provides effective attenuation for common noise frequencies around 100 MHz. Consider the 500-milliohm DCR to ensure minimal voltage drop in power-sensitive circuits. Verify that the 0201 package dimensions fit the available PCB real estate.
Part Context
This part belongs to the KEMET Z-SMS series of ferrite beads, which are engineered for general-purpose noise suppression. The series utilizes multi-layer technology to achieve high impedance in small packages. These components are widely used in consumer electronics and industrial equipment where space is limited and effective EMI control is necessary.
Replacement Considerations
Check for direct substitutes from other manufacturers offering identical 120-ohm impedance and 0201 dimensions. Ensure any replacement maintains the same 200 mA current rating and 500-milliohm DCR to preserve circuit performance. Verify thermal characteristics match the original specification.
