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Product Detailed Parameters
- Description：FERRITE BEAD 187 OHM AXIAL 1LN
- Series：4211R
- Mfr：Delevan
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：187 Ohms @ 25 MHz
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：-
- Ratings：-
- Operating Temperature：-
- Package / Case：Axial
- Mounting Type：Through Hole
- Height (Max)：-
- Size / Dimension：0.138" Dia x 0.450" L (3.51mm x 11.43mm)
- Features：-
Download product information
Overview
The Delevan 4211R-28 is an axial leaded ferrite bead designed for EMI and RFI suppression in through-hole applications. It exhibits an impedance of 187 Ohms at a frequency of 25 MHz. The component features a single line configuration with standard axial termination. Environmental compliance includes RoHS certification. The device is intended for filtering high-frequency noise in electronic circuits.
Feature Summary
- Provides effective EMI and RFI suppression through ferrite bead technology
- Designed for axial mounting to facilitate through-hole PCB integration
- Offers single-line filtering capability for targeted noise reduction
Applications
- High-frequency noise filtering in electronic circuits
- EMI suppression in signal lines
- RFI mitigation in communication equipment
Procurement Notes
Verify current availability status as the product lifecycle may indicate end-of-life or discontinuation. Confirm RoHS certification details with the manufacturer or authorized distributor prior to ordering. Ensure axial lead dimensions match the target PCB footprint requirements for proper installation.
Selection Notes
Select this component when axial ferrite beads are required for EMI suppression. The 187 Ohm impedance at 25 MHz suits specific high-frequency noise profiles. Verify that through-hole mounting is compatible with the assembly process. Consider the single-line configuration for simple filtering needs without complex multi-port requirements.
Part Context
The 4211R series belongs to Delevan's line of shielded surface-mount and leaded ferrite beads. These components are engineered for high-reliability applications requiring stringent EMI/RFI control. The axial variant provides mechanical stability for through-hole designs, complementing the broader portfolio of passive magnetic components offered by the manufacturer.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer cross-reference guides for potential alternatives if this specific model is discontinued or unavailable.
