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Product Detailed Parameters
- Description：FERRITE BEAD 56 OHM 1612 1LN
- Series：WE-MPSB
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：-
- Number of Lines：1
- Impedance @ Frequency：56 Ohms @ 100 MHz
- Current Rating (Max)：10A
- DC Resistance (DCR) (Max)：4mOhm
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：1612 (4030 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.098" (2.48mm)
- Size / Dimension：0.160" L x 0.120" W (4.06mm x 3.05mm)
- Features：-
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Overview
The Würth Elektronik 74279223560 is a WE-MPSB series EMI multilayer power suppression ferrite bead designed for surface mount applications. It features a 1612 (4131 metric) package with dimensions of 4.1 mm length, 3.0 mm width, and 2.48 mm height. The component provides an impedance of 56 Ω at 100 MHz and supports a maximum DC current rating of 10 A. It is rated for operation within the automotive reliability standard AEC-Q200.
Feature Summary
- Multilayer construction for high-current power line EMI suppression
- Automotive grade qualification under AEC-Q200 standards
- Compact surface mount footprint suitable for dense PCB layouts
Applications
- Automotive electronic power distribution networks
- High-current DC-DC converter output filtering
- EMI suppression in automotive infotainment systems
Procurement Notes
Verify the specific impedance tolerance and DC resistance values against the official manufacturer datasheet prior to integration. Confirm that the 1612 package dimensions align with the target PCB land pattern. Ensure the selected supplier sources directly from authorized channels to guarantee AEC-Q200 compliance and material authenticity for automotive-grade requirements.
Selection Notes
Select this component when designing circuits requiring significant current handling capability alongside broadband noise attenuation. The 10 A rating distinguishes it from lower-current signal line beads. Evaluate the thermal performance under continuous load conditions to ensure the device remains within its specified operating temperature range without derating issues.
Part Context
This part belongs to the WE-MPSB family, which specializes in multilayer power suppression solutions. Unlike traditional single-layer beads, these components utilize advanced ceramic materials to maintain stability under high bias currents. The series addresses the growing need for compact, robust EMI control in modern automotive and industrial power architectures.
Replacement Considerations
Cross-reference with other WE-MPSB variants offering different impedance levels or current ratings if system requirements change. Verify pin compatibility and thermal characteristics before substituting with non-Würth equivalents to maintain AEC-Q200 certification status.
