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Product Detailed Parameters
- Description：FERRITE BEAD 375 OHM AXIAL 1LN
- Series：4212R
- Mfr：Delevan
- Package：Bulk
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：375 Ohms @ 100 MHz
- Current Rating (Max)：-
- DC Resistance (DCR) (Max)：-
- Ratings：-
- Operating Temperature：-
- Package / Case：Axial
- Mounting Type：Through Hole
- Height (Max)：-
- Size / Dimension：-
- Features：-
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Overview
The Delevan 4212R-4 is a ferrite wound bead EMI/RFI suppressor designed for through-hole axial mounting. It provides an impedance of 375 Ohms at a test frequency of 100 MHz. The component features a wound bead construction with 1.5 turns. Physical dimensions include a length of 10.5 mm and a diameter of 6.35 mm. It belongs to the 4212R series and is supplied in bulk packaging.
Feature Summary
- Provides electromagnetic interference suppression via high impedance characteristics at radio frequencies
- Utilizes a wound bead construction with 1.5 turns for signal filtering
- Designed for through-hole axial installation on printed circuit boards
Applications
- EMI/RFI suppression in electronic circuits
- Signal line filtering for noise reduction
- Through-hole board assembly applications
Procurement Notes
Verify the specific part number suffix, as variations such as 4212-4 or 4212R-4 B500 may exist within the same family. Confirm RoHS compliance status, as documentation indicates non-compliance for some variants in this series. Ensure the supplier source matches the manufacturer API Delevan to guarantee authenticity and correct technical specifications.
Selection Notes
Select this component when a 375 Ohm impedance at 100 MHz is required for axial through-hole applications. Consider the physical dimensions of 10.5 mm length and 6.35 mm diameter for PCB layout constraints. Verify that the 1.5-turn wound bead structure meets the specific filtering requirements of the target circuit design compared to other series options.
Part Context
This component is part of the Delevan 4212R series of ferrite beads. It shares the same physical housing dimensions as related models like the 4212-7 but differs in internal winding and impedance characteristics. The series is manufactured by API Delevan and serves as a discrete filter element for high-frequency noise attenuation in electronic assemblies.
Replacement Considerations
The part number alias 4212-4 B500 refers to the same component type. Cross-referencing with the 4212-4 model confirms identical electrical parameters of 375 Ohms at 100 MHz. Ensure any substitute maintains the axial lead configuration and compatible physical footprint for direct replacement.
FAQ
What is the impedance value of the 4212R-4?
The impedance is 375 Ohms at a test frequency of 100 MHz.
How many turns does the wound bead have?
The 4212R-4 features a wound bead construction with 1.5 turns.
