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Product Detailed Parameters
- Description：FERRITE BEAD 397 OHM AXIAL 1LN
- Series：4211R
- Mfr：Delevan
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：397 Ohms @ 100 MHz
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：-
- Ratings：-
- Operating Temperature：-
- Package / Case：Axial
- Mounting Type：Through Hole
- Height (Max)：-
- Size / Dimension：0.385" Dia x 0.550" L (9.78mm x 13.97mm)
- Features：-
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Overview
The Delevan 4211R-10 is an axial leaded ferrite bead designed for EMI and RFI suppression. It features a nominal impedance of 397 Ohms at its specified frequency. The component utilizes an unshielded construction with standard axial terminations suitable for through-hole mounting. It serves as a passive filter to attenuate high-frequency noise in electronic circuits.
Feature Summary
- Provides effective electromagnetic interference (EMI) and radio frequency interference (RFI) suppression
- Utilizes ferrite core material for high-frequency noise attenuation
- Features axial leaded termination style for reliable PCB integration
Applications
- High-frequency noise filtering in electronic circuits
- Signal line protection against electromagnetic interference
- Radio frequency interference suppression in communication devices
Procurement Notes
Verify the current lifecycle status, as some sources indicate this part may be obsolete. Confirm specific impedance tolerances and thermal characteristics directly with the manufacturer or authorized distributors before finalizing design-in decisions. Ensure axial lead dimensions match the target PCB footprint requirements.
Selection Notes
Select this component when axial leaded form factors are required for EMI suppression rather than surface-mount options. Consider the 397 Ohm impedance rating relative to the target noise frequency spectrum. Evaluate physical size constraints imposed by the axial leads compared to alternative SMD ferrite beads within the same series.
Part Context
This component belongs to the Delevan 4211R series of ferrite beads. The series offers various impedance values tailored for different noise suppression needs. Delevan manufactures these components to meet stringent reliability standards for government and commercial applications, focusing on high-performance passive magnetic devices.
Replacement Considerations
Check for direct cross-reference parts from API Delevan or successor manufacturers. Verify that substitute axial ferrite beads maintain equivalent impedance curves and current handling capabilities. Surface-mount equivalents require re-evaluation of board layout and soldering processes.
