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Product Detailed Parameters
- Description：FERRITE BEAD 42 OHM 2SMD 1LN
- Series：WE-PBF
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：42 Ohms @ 100 MHz
- Current Rating (Max)：16A
- DC Resistance (DCR) (Max)：0.6mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：2-SMD, J-Lead
- Mounting Type：Surface Mount
- Height (Max)：0.122" (3.10mm)
- Size / Dimension：0.157" L x 0.118" W (4.00mm x 3.00mm)
- Features：-
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Overview
The Würth Elektronik WE-PBF series component, part number 74279390, is a high-current surface-mount ferrite bead designed for electromagnetic interference suppression. It features a J-lead SMD package with dimensions of 4.00 mm length and 3.00 mm width. The device provides an impedance of 42 Ohms at 100 MHz and supports a maximum DC current rating of 16 A. Its maximum DC resistance is 0.6 milliohms. The unit operates within a temperature range of -55°C to +125°C.
Feature Summary
- High current handling capability suitable for power line applications
- Low DC resistance minimizes voltage drop in the circuit
- J-lead surface mount design facilitates automated assembly
Applications
- Power supply output filtering
- DC-DC converter input/output stages
- Automotive electronics power lines
Procurement Notes
Verify the specific package variant and lead times directly with authorized distributors or the manufacturer. Confirm that the 16A current rating aligns with your thermal management requirements. Ensure the J-lead footprint matches your PCB layout constraints before finalizing procurement orders.
Selection Notes
Select this component when high current capacity is required alongside effective high-frequency noise attenuation. The low DC resistance makes it suitable for sensitive power rails where efficiency is critical. Compare against standard ferrite beads if lower current ratings are sufficient for the application.
Part Context
This part belongs to the WE-PBF series from Würth Elektronik, which specializes in high-current EMI suppression components. The series is engineered for robust performance in demanding environments, offering reliable shielding for digital and analog circuits against common mode and differential mode noise.
Replacement Considerations
Check for direct substitutes within the same WE-PBF series with different impedance values. Verify compatibility with other manufacturers' high-current J-lead ferrite beads by comparing physical dimensions and electrical specifications.
