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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0805 1LN
- Series：FP
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR)
- Filter Type：Power Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：3A
- DC Resistance (DCR) (Max)：30mOhm
- Ratings：-
- Operating Temperature：-40°C ~ 105°C
- Package / Case：0805 (2012 Metric)
- Mounting Type：Surface Mount
- Height (Max)：0.041" (1.05mm)
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Features：-
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Overview
The PE-0805PFB121ST is a single-line power line ferrite bead manufactured by Pulse Electronics. It features an 0805 (2012 Metric) surface-mount package with tin termination. The component provides an impedance of 120 Ohms at 100 MHz and supports a maximum DC current rating of 3A. Its maximum DC resistance is specified as 30mOhm. The device operates within a temperature range of -55°C to +125°C and is supplied in tape and reel packaging.
Feature Summary
- Designed for high-power applications with a 3A current rating
- Provides effective EMI suppression with 120 Ohm impedance at 100 MHz
- Utilizes a compact 0805 surface-mount footprint for space-constrained designs
Applications
- Power supply circuits
- Battery charger systems
- Voltage regulation modules
Procurement Notes
Verify the specific datasheet version before integration, as manufacturer specifications may undergo updates. Confirm that the 0805 package dimensions align with your PCB footprint library. Ensure the 3A current rating meets the peak load requirements of your circuit design. Check for RoHS compliance status if required by your manufacturing standards. Validate thermal performance under continuous operation conditions.
Selection Notes
Select this component when high current handling capability is required alongside EMI filtering. The 0805 package offers a balance between current capacity and board space efficiency compared to smaller footprints. Consider the 120 Ohm impedance profile for target noise frequencies around 100 MHz. Evaluate the low DCR to minimize voltage drop and power loss in the power path. Compare against alternatives if higher impedance or lower current ratings suffice.
Part Context
This part belongs to Pulse Electronics' FB series of chip ferrite beads. These components are engineered for electromagnetic interference suppression in electronic circuits. The product line includes various impedances and current ratings tailored for different signal and power line applications. The PE-0805PFB121ST specifically targets power line protection in compact form factors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by matching impedance curves, current ratings, and physical dimensions before considering alternative suppliers.
