5943011101

Overview

Fair-Rite 5943011101 is a toroidal ferrite core manufactured from Material 43. It features an outer diameter of 73.65 mm, an inner diameter of 38.85 mm, and a height of 12.7 mm. The effective magnetic path length is 167 mm with an effective cross-sectional area of 21.5 mm². The component exhibits an inductance index (AL) value of 1.3 µH. It is designed for transformer applications and operates within a temperature range of -55°C to +90°C.

Feature Summary

• Utilizes Material 43 composition optimized for high-frequency transformer cores
• Toroidal geometry provides efficient magnetic flux containment
• Suitable for general-purpose transformer construction

Applications

• High-frequency transformer core assembly
• Inductor winding substrate
• EMI suppression components requiring toroidal geometry

Procurement Notes

Verify the specific Material 43 formulation against current Fair-Rite datasheets to ensure compatibility with intended frequency ranges. Confirm that the operating temperature limit of +90°C aligns with system thermal requirements. Check for any recent updates to mechanical tolerances or surface finish specifications before finalizing procurement.

Selection Notes

Select this part when a large toroidal core with Material 43 properties is required. The 1.3 µH AL value indicates its suitability for specific turns-count calculations. Ensure the physical dimensions fit the available winding space and that the thermal rating supports the expected power dissipation levels during operation.

Part Context

This component belongs to the Fair-Rite 59 series of toroidal ferrite cores. These cores are widely used in electronic circuits for energy storage and signal transformation. Material 43 is a standard nickel-zinc ferrite known for its performance in switching power supplies and RF applications.

Replacement Considerations

Consult Fair-Rite catalogs for alternative Material 43 toroids with matching dimensional constraints. Verify that substitute parts maintain equivalent AL values and thermal characteristics to ensure circuit performance consistency.