Product Overview
Steward LI0805B151R 150 Ohm Surface-Mount Ferrite Bead for EMI Suppression, 0805 Case
Condition
Unused new old stock (NOS). Sold each.
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Product Overview
Steward part number LI0805B151R is a 150 ohm surface-mount ferrite chip bead in the 0805 case size. Placed in series with a supply or signal trace, a ferrite bead passes DC and soaks up high-frequency noise as heat.
Key Features
- Impedance: 150 ohm (the 151 in the part number)
- Case size: 0805 (2012 metric)
- Two end terminations, surface mount
- Ferrite chip bead for EMI and RF noise suppression
Applications
- Restoring a missing or cracked 0805 bead on a logic or instrument board
- Isolating an analog reference pin from digital noise on a prototype
- Adding a series bead to a clock or signal line chasing radiated noise
Frequently Asked Questions
Is the part number printed on the chip?
No. Ferrite chip beads this small carry no printed marking, so label any you set aside on the bench.
Is 150 ohm the DC resistance?
No. The 150 ohm figure is the bead's impedance at high frequency. Its DC resistance is far lower.
Each piece costs less as the order grows - see the price-break table on this page.
Ferrite beads began as small rings slipped over a wire lead; this chip folds the same idea into a body that solders flat across a break in a trace. Make that break where the noise comes in, not where it ends up.
