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Product Detailed Parameters
- Description：FERRITE BEAD 42 OHM 2SMD 1LN
- Series：4221R
- Mfr：Delevan
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：42 Ohms @ 100 MHz
- Current Rating (Max)：5A
- DC Resistance (DCR) (Max)：-
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：2-SMD, J-Lead
- Mounting Type：Surface Mount
- Height (Max)：0.146" (3.70mm)
- Size / Dimension：0.217" L x 0.117" W (5.50mm x 2.97mm)
- Features：-
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Overview
The Delevan 4221R-3 is a surface-mount ferrite bead designed for EMI/RFI suppression in single-line circuits. It features a 2-SMD J-lead package with dimensions of 5.50mm length and 2.97mm width, and a maximum height of 3.70mm. The component provides an impedance of 42 Ohms at 100 MHz and supports a maximum rated current of 5A. It operates within a temperature range of -55°C to 125°C and complies with RoHS3 standards.
Feature Summary
- Provides effective EMI and RFI noise suppression for high-current applications
- Utilizes a robust J-lead surface mount package for secure PCB attachment
- Engineered for stable performance across wide industrial temperature ranges
Applications
- High-current power line filtering
- EMI suppression in compact electronic assemblies
- Signal integrity protection in single-channel circuits
Procurement Notes
Verify the specific suffix designation when ordering, as variants such as 4221-3 may differ in RoHS compliance status compared to the 4221R-3 model. Confirm package orientation and lead configuration against schematic requirements. Ensure thermal management aligns with the specified operating temperature range during integration.
Selection Notes
Select this component for applications requiring high current handling capability alongside significant impedance at 100 MHz. The J-lead footprint offers mechanical stability suitable for vibration-prone environments. Verify that the 5A rating exceeds the peak operational current of the target circuit to prevent saturation or overheating.
Part Context
This part belongs to the Delevan 4221(R) series of ferrite beads, which are characterized by their ability to handle substantial currents while maintaining effective high-frequency noise attenuation. The series is widely used in power electronics where space constraints necessitate compact surface-mount solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching impedance values, current ratings, and physical footprint dimensions.
