HI0805O121R-10 Laird-Signal Integrity Products Ferrite Bead (Ferrite Bead Chip) In Stock
Laird HI0805O121R-10 is a 120 Ohm ferrite bead chip in EIA 0805 package with 2-pin configuration. Features DC resistance max 0.02 Ω and 25 MHz to 1000 MHz operating frequency range. Available from stock worldwide.
- Manufacturer
- Laird-Signal Integrity Products
- Package
- Ferrite Bead Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- HI0805O121R-10 Datasheet PDF
- Category
- Ferrite Bead
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 120 Ohm impedance at 100 MHz with ultra-low DC resistance of 0.02 Ω for minimal signal loss
- Wide operating frequency range from 25 MHz to 1000 MHz for broadband EMI suppression
- Compact 0805 chip bead construction with 0.9 mm height for space-constrained PCB designs
Applications
The HI0805O121R-10 ferrite bead is used for EMI/RFI noise suppression on power supply lines and signal traces in consumer electronics, telecommunications, and industrial equipment. Its 120 Ohm impedance at 100 MHz makes it effective for filtering high-frequency noise in USB interfaces, RF circuits, and sensitive analog front-ends. The 0805 package suits automated SMT assembly in compact PCB designs requiring reliable EMI filtering.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 9Weeks |
| YTEOL | 6.79 |
| Case Code | 0805 |
| Construction | Chip Bead |
| DC Resistance-Max | 0.02Ω |
| Filter Type | FERRITE CHIP |
| Frequency-Max | 1000MHz |
| Frequency-Min | 25MHz |
| Height | 0.9mm |
| JESD-609 Code | e3 |
| Mounting Type | SURFACE MOUNT |
| Number of Functions | 1 |
| Output Impedance | 120 OHM Ω |
| Packing Method | TR, 7 INCH |
| Rated Current | 3.5A |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Package | Ferrite Bead Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8504.50.80.00 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for HI0805O121R-10:
suggested
Frequently Asked Questions
What is the impedance of HI0805O121R-10 at 100 MHz, and how does DC resistance affect circuit performance?
The HI0805O121R-10 provides 120 Ohm impedance at 100 MHz for effective EMI attenuation. Its maximum DC resistance of 0.02 Ω ensures minimal power loss, making it suitable for high-current power line filtering without significant voltage drop across the bead.
Which frequency range does HI0805O121R-10 cover, and what EMI problems can it solve?
HI0805O121R-10 operates from 25 MHz to 1000 MHz, covering typical EMI interference bands including USB 2.0 at 480 MHz and various RF frequencies. It effectively suppresses conducted noise on power rails and signal lines in telecom, industrial, and consumer electronics boards.
Is HI0805O121R-10 RoHS compliant, and what is its recommended PCB footprint for the 0805 package?
Yes, HI0805O121R-10 is RoHS compliant (Pb-free). The 0805 package with 2 pins uses a standard SMT footprint with 2.0 mm x 1.25 mm pad dimensions, measuring 0.9 mm in height. This enables automated SMT reflow assembly compatible with standard PCB manufacturing processes.
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About Laird-Signal Integrity Products
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