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Product Detailed Parameters
- Description：FERRITE BEAD 118 OHM AXIAL 1LN
- Series：4211R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：118 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 0.300" L (3.51mm x 7.62mm)
- Features：-
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Overview
The Delevan 4211R-25 is an axial leaded ferrite bead designed for EMI and RFI suppression. It exhibits a nominal impedance of 138 Ohms with a tolerance of ±0.02%. The component measures 3.5 mm in width and 0.35 inches in length. It is supplied in reel packaging and operates as a single-line filter element.
Feature Summary
- Provides effective attenuation of electromagnetic interference and radio frequency noise through high-impedance characteristics.
- Features axial leads for straightforward through-hole mounting on printed circuit boards.
- Constructed with ferrite material to absorb high-frequency energy.
Applications
- Signal line filtering in electronic circuits
- Power supply input/output noise suppression
- Data bus protection against transient interference
Procurement Notes
Verify the specific impedance value and tolerance requirements against the official API Delevan datasheet before ordering. Confirm that the axial lead configuration and physical dimensions are compatible with the target PCB layout. Ensure the supplier provides authentic components from authorized channels to guarantee performance reliability.
Selection Notes
Select this component when a precise, low-tolerance ferrite bead is required for specific frequency suppression. The axial package suits designs where surface-mount space is limited or through-hole robustness is preferred. Compare impedance curves at relevant frequencies to ensure adequate attenuation for the target noise spectrum.
Part Context
This part belongs to the 4211 series of ferrite beads manufactured by API Delevan. The series offers various impedance values and tolerances to suit different filtering needs. These components are engineered for high reliability in demanding electronic environments.
Replacement Considerations
Check for direct substitutes within the 4211R series, such as the 4211R-23, which shares similar physical attributes but differs in impedance. Verify that any replacement maintains the required axial lead spacing and ferrite material properties.
