55655

Overview

The Bourns 55655 is a board-mount current transformer belonging to the SP-R series, designed for precise current sensing applications. It features a split-core construction with a primary aperture of 14mm and secondary dimensions of 9mm by 5mm. The component utilizes ferrite core technology to ensure high accuracy in AC current measurement. As a passive magnetic device, it provides galvanic isolation between the primary conductor and the secondary sensing circuit. The unit is moisture sensitive and requires appropriate handling during assembly.

Feature Summary

• Split-core design facilitates installation on existing busbars or cables without disconnecting the primary circuit.
• Board-mount configuration allows for direct integration into printed circuit boards for compact system designs.
• Ferrite core material ensures stable magnetic properties and reliable performance across operating temperatures.

Applications

• Power supply current monitoring
• Industrial motor control systems
• Battery management systems

Procurement Notes

Verify RoHS compliance status through the official datasheet before procurement, as indicated in manufacturer records. Confirm moisture sensitivity level requirements for your manufacturing process. Ensure the specific ordering suffix matches your mechanical interface needs. Request delivery quotes directly from authorized distributors as standard lead times are not publicly fixed. Validate that the 120-unit factory packaging aligns with your production volume requirements.

Selection Notes

Select this component when a non-invasive current sensing solution is required for AC measurements. The split-core architecture is ideal for retrofitting or testing scenarios where breaking the primary connection is impractical. Consider the physical aperture size relative to the conductor diameter to ensure proper fit. Evaluate the mounting style against available PCB space constraints. Verify that the frequency range of the application falls within the transformer's operational specifications.

Part Context

This part belongs to the Bourns 556xx series of current transformers. The series offers various core sizes and winding configurations to suit different current ranges. These components are generally used in conjunction with burden resistors to convert current signals to voltage for microcontroller or ADC input. The SP-R designation indicates a specific form factor within the broader product line.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult the manufacturer for cross-reference information if alternative sourcing is necessary.