2773008112

Overview

The Fair-Rite Products Corp. model 2773008112 is an axial leaded ferrite bead designed for high-frequency noise suppression in electronic circuits. This component features a solid ferrite core material, specifically formulation 73, which provides effective attenuation of electromagnetic interference across a broad frequency spectrum. The device exhibits an impedance of 145 ohms at a test frequency of 25 MHz, ensuring reliable performance in demanding environments. It operates within a temperature range from -55°C to +125°C and has a physical length of 11.4 mm. The part is RoHS compliant and lead-free, suitable for modern manufacturing processes requiring environmentally friendly components.

Feature Summary

• Axial leaded construction for through-hole mounting applications
• Utilizes Fair-Rite Material 73 for superior high-frequency noise absorption
• Provides significant impedance at 25 MHz for effective EMI filtering
• Capable of withstanding extreme temperatures from -55°C to +125°C

Applications

• Suppression of common mode noise on data lines
• Filtering high-frequency interference on power supply leads
• EMI reduction in telecommunications equipment
• Noise damping in automotive electronic systems

Procurement Notes

Verify the specific impedance value and material formulation against the latest manufacturer datasheet before finalizing procurement decisions. Confirm that the axial lead style matches the target PCB footprint requirements. Ensure compliance with current environmental regulations such as RoHS standards. Check for any updates regarding the availability of Material 73 formulations. Validate operating temperature limits against the intended application environment to guarantee long-term reliability.

Selection Notes

Select this component when high-frequency noise suppression is required on single conductors using through-hole technology. The 145-ohm impedance at 25 MHz makes it suitable for broadband interference mitigation. Consider the physical dimensions and lead spacing to ensure compatibility with existing board layouts. Evaluate the thermal stability requirements to confirm suitability for high-temperature operational conditions. Compare alternative materials if lower impedance or different frequency characteristics are needed.

Part Context

This ferrite bead belongs to the Fair-Rite family of suppression components, specifically designed for circuit protection and signal integrity enhancement. Ferrite beads function by converting high-frequency noise energy into heat, thereby reducing electromagnetic emissions. The axial leaded format allows for easy integration into traditional printed circuit board designs. These components are essential for meeting regulatory standards regarding electromagnetic compatibility in various industrial and consumer electronics applications.

Replacement Considerations

Direct substitutes must match the 145-ohm impedance at 25 MHz and utilize Material 73. Verify that replacement parts maintain the same axial lead configuration and physical dimensions. Ensure equivalent thermal performance capabilities within the specified temperature range. Cross-reference part numbers with Fair-Rite's official substitution guides for validated alternatives.