CRZ8345-2K5W

Overview

The CRZ8345-2K5W is a current sense transformer manufactured by CR Magnetics Inc., designed for through-hole mounting. It features a 1:1000:5 current ratio and operates within a frequency range of 50Hz to 60Hz. The component has a DC resistance of 115 Ohms. Its physical dimensions are approximately 31.95mm in length, 30.5mm in width, and 9.5mm in height. The device is RoHS compliant and classified under EAR99.

Feature Summary

• Non-invasive solid core design for accurate current sensing
• High isolation voltage capability suitable for industrial applications
• Through-hole PC pin termination for secure board mounting

Applications

• Industrial motor drive systems
• Power supply monitoring circuits
• Energy metering equipment

Procurement Notes

Verify the specific suffix '2K5W' against the manufacturer's latest datasheet to confirm the exact secondary winding configuration and impedance values. Ensure the operating environment temperature range aligns with the component's rated specifications. Confirm that the through-hole footprint matches the PCB layout requirements before finalizing procurement orders.

Selection Notes

Select this model when a high turns ratio of 1:1000:5 is required for precise current measurement at standard power line frequencies. Consider the 115 Ohm DC resistance for burden resistor calculations. The solid core design eliminates the need for circuit interruption during installation, making it suitable for retrofitting or permanent monitoring setups in low-frequency AC applications.

Part Context

This component belongs to the CR Magnetics current sense transformer family, which specializes in isolated current measurement solutions. The series is engineered for robust performance in demanding electrical environments, providing reliable signal transformation for control and protection circuits in power electronics and grid infrastructure applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative models from other manufacturers.