55660

Overview

The Bourns Inc. model 055660 is a current sense transformer designed for through-hole mounting. It features a 2000:1 turns ratio and operates at 50Hz. The component has an inductance of 120 H, a volt-time product (ET) of 12.7kVµS, and a DC resistance of 100 Ohm. Its physical dimensions are 1.063 inches in length by 0.709 inches in width, equivalent to 27.00mm x 18.00mm.

Feature Summary

• Through-hole mounting configuration
• Current sensing capability with high isolation
• Fixed 2000:1 turns ratio

Applications

• Power supply current monitoring
• Industrial control systems
• Telecommunications equipment

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure the correct variant is selected. Confirm that the required electrical parameters, including the 100 Ohm DC resistance and 120 H inductance, align with the target circuit design requirements before finalizing the procurement order.

Selection Notes

Select this component when a high-isolation current sensing solution is required for low-frequency applications operating at 50Hz. The through-hole package is suitable for designs prioritizing mechanical robustness over surface area constraints. Ensure the PCB layout accommodates the specified 27.00mm x 18.00mm footprint.

Part Context

This component belongs to the Bourns Inc. Current Sense Transformers series. These devices are engineered to provide accurate current measurement while maintaining electrical isolation between the primary and secondary circuits. They are distinct from resistive shunts, offering galvanic isolation which is critical for safety and noise reduction in power electronics.

Replacement Considerations

Consult the official Bourns datasheet for cross-reference information. No direct substitute part numbers are confirmed in the provided public documentation. Verify compatibility with existing board layouts and electrical specifications if considering alternative manufacturers.