5961001201

Overview

Fair-Rite Products Corp. part number 5961001201 is a ferrite toroidal core constructed from Material 43. The component features an outside diameter of 1.155 inches (29 mm), an inside diameter of 0.75 inches (19 mm), and a width of 0.545 inches (13.85 mm). It exhibits an inductance factor (AL) of 145 nH per turn squared at 10 kHz. The core operates within a temperature range of -55°C to +90°C and complies with RoHS regulations.

Feature Summary

• Utilizes Material 43 composition for effective high-frequency noise suppression
• Toroidal geometry provides efficient magnetic flux containment
• Supports broadband transformer and common mode choke implementations

Applications

• Pulse transformers
• Ground fault circuit interrupters
• Broadband transformers
• Power supply input filters
• Common mode filters

Procurement Notes

Verify the specific material designation upon ordering, as conflicting data sources exist regarding whether this part number corresponds to Material 43 or Material 61. Confirm physical dimensions match the required 1.155-inch outer diameter and 0.75-inch inner diameter specifications. Ensure the supplier documentation explicitly states compliance with current environmental standards such as RoHS before finalizing procurement.

Selection Notes

Select this component when a Material 43 toroid with these specific dimensions is required for high-frequency applications. The 145 nH inductance factor supports designs needing moderate inductance without excessive turns. Consider the -55°C to +90°C operating range for environmental suitability. Verify that the solid toroid shape fits the winding constraints of the intended circuit design.

Part Context

This part belongs to Fair-Rite's line of ferrite toroidal cores, which are widely used in electronic circuits for electromagnetic interference suppression and energy storage. Toroidal cores offer low external magnetic fields and high efficiency compared to other shapes. Fair-Rite manufactures these components using various proprietary material formulations tailored for specific frequency ranges and permeability requirements.

Replacement Considerations

Cross-reference with Fair-Rite part numbers sharing identical dimensions but different materials if impedance characteristics differ. Verify compatibility with alternative suppliers offering equivalent 1.155 x 0.75 x 0.545 inch toroids made from Material 43.