55661

Overview

The Bourns Inc. model 055661 is a current sense transformer designed for through-hole mounting. It features an integrated primary current path and provides a turns ratio of 2500:1. The component operates at a frequency of 50Hz and exhibits a DC resistance of 135 Ohms with an inductance of 187.5 H.

Feature Summary

• Integrated primary current path design
• High turns ratio capability up to 2500:1

Applications

• Current sensing applications
• Power supply circuits
• Industrial control systems

Procurement Notes

Verify the specific package type and pin configuration against the official datasheet before integration. Confirm that the 135 Ohm resistance and 187.5 H inductance values align with your circuit requirements. Ensure the 50Hz operating frequency is suitable for your application environment.

Selection Notes

Select this component when a high isolation current sense solution is required. The 2500:1 ratio suits low-current measurement tasks. Verify board space availability for the through-hole footprint. Check thermal performance under expected load conditions.

Part Context

This part belongs to the Bourns 0556x series of current sense transformers. These components are characterized by their integrated primary paths and wide range of available turns ratios, supporting various industrial and commercial power management designs.

Replacement Considerations

Consult the official Bourns documentation for direct substitutes within the 0556x series. Verify compatibility of electrical parameters such as inductance and resistance before swapping.