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Product Detailed Parameters
- Description：FERRITE BEAD 120 OHM 0805 4LN
- Series：FB
- Mfr：Pulse Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：1
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Current Rating (Max)：800mA
- DC Resistance (DCR) (Max)：150mOhm
- 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-0805FB121ST is a single-line ferrite bead chip manufactured by Pulse Electronics, designed for surface-mount assembly in the 0805 (2012 metric) package. It provides an impedance of 120 Ohms at 100 MHz with a maximum DC resistance of 150 milliohms and a rated current of 800 mA. The component operates within a temperature range of -40°C to 105°C and measures 2.00mm x 1.25mm x 1.05mm.
Feature Summary
- Provides electromagnetic interference suppression through high impedance characteristics at specific frequencies
- Supports signal line filtering applications with low DC resistance to minimize power loss
- Designed for compact surface-mount integration in space-constrained electronic circuits
Applications
- Signal line filtering in portable electronic devices
- Electromagnetic interference suppression in consumer electronics
- Noise reduction in high-speed digital circuit interfaces
Procurement Notes
Verify the exact package dimensions and electrical parameters against the official datasheet before integration. Confirm that the 800 mA current rating meets the specific circuit requirements. Ensure compatibility with standard surface-mount reflow soldering processes. Check for RoHS compliance status if required by regional regulations.
Selection Notes
Select this component when a 0805 footprint is available and a 120 Ohm impedance at 100 MHz is required. The 800 mA current rating suits moderate signal lines. Consider the 150 milliohm DC resistance impact on signal integrity. Verify thermal performance within the specified -40°C to 105°C operating range for the target environment.
Part Context
This part belongs to the FB series of chip ferrite beads from Pulse Electronics. It is distinct from common mode chokes like the BWCU00121008121M02 or inductors like the PE-0805CD221JTT. The FB series focuses on single-line noise suppression rather than differential mode filtering or energy storage.
FAQ
What is the impedance value at 100 MHz?
The impedance is 120 Ohms at 100 MHz.
Is this component shielded?
The datasheet does not specify shielding; it is classified as a standard ferrite bead chip.
