CR8348-2500-N

Overview

The CR8348-2500-N is a high-ratio AC current sense transformer manufactured by CR Magnetics Inc. Designed for through-hole mounting, this component features a non-invasive solid core configuration suitable for PCB integration. It supports a primary current rating of 40 A with a turns ratio of 2500:1. The device operates within a frequency range of 20 Hz to 1 kHz and exhibits a DC resistance of 134 Ohms. Key specifications include a maximum RMS voltage of 7.5 V and revenue-grade accuracy standards. Physical dimensions are approximately 0.925 inches in length and 0.433 inches in width.

Feature Summary

• High turns ratio design optimized for precise current sensing applications
• Revenue-grade accuracy ensuring reliable measurement performance
• Non-invasive solid core construction for safe circuit monitoring
• Through-hole PC pin termination for standard board integration

Applications

• Motor load measurement systems
• Industrial power monitoring circuits
• Energy metering equipment requiring high isolation

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tolerance levels. Ensure the application environment remains within the specified 20 Hz to 1 kHz frequency range to maintain accuracy. Confirm that the primary conductor fits within the transformer window without mechanical interference. Check RoHS compliance status if required by project specifications. Validate thermal limits against expected operating currents to prevent saturation or overheating during peak loads.

Selection Notes

Select this component when high current ratios and revenue-grade precision are required for AC measurements. The 40 A rating and 134 Ohm secondary resistance define the signal conditioning requirements. Consider the physical footprint constraints for PCB layout compatibility. Evaluate the need for through-hole versus surface mount alternatives if space is limited. Ensure the system impedance matches the transformer output characteristics for optimal signal transfer.

Part Context

This part belongs to the CR8300 series of current sense transformers from CR Magnetics Inc. The series provides various current ratings and turns ratios for different sensing needs. The CR8348-2500-N specifically targets applications requiring high sensitivity and accuracy for lower secondary currents derived from higher primary loads. It complements other models in the lineup offering different window sizes and resistance values.

Replacement Considerations

Direct substitutes may include other CR Magnetics models within the CR8300 series with similar 2500:1 ratios. Verify dimensional compatibility and electrical parameters such as DC resistance and frequency response before substitution. Cross-reference with competitor parts only if they meet exact specification requirements.