RL-9740-3

Current Sense Transformers Overview

The RL-9740-3 is a through-hole current sense transformer manufactured by Renco Electronics, Inc. It features a primary current rating of 38 A and a turns ratio of 200:1. The device operates within a frequency range of 10 kHz to 200 kHz. Key electrical specifications include a maximum primary resistance of 4.5 Ohms and an inductance of 80 mH.

Current Sense Transformers Feature Summary

• Through-hole mounting configuration for PCB integration
• High-frequency operation capability up to 200 kHz
• Defined 200:1 current transformation ratio

Current Sense Transformers Applications

• Current sensing in switching power supplies
• Overcurrent protection circuits
• Feedback control loops in power electronics

Current Sense Transformers Procurement Notes

Verify the specific manufacturer part number RL-9740-3 against official Renco Electronics documentation to ensure component authenticity. Confirm that the required operating frequency range between 10 kHz and 200 kHz aligns with your system design. Ensure the through-hole package style matches your printed circuit board layout requirements before procurement.

Current Sense Transformers Selection Notes

Select this component when a 38 A primary current capacity and 200:1 ratio are required. The 80 mH inductance supports stable signal generation at frequencies starting from 10 kHz. The 4.5 Ohm maximum resistance minimizes insertion loss in high-current paths. Verify thermal performance under continuous load conditions.

Current Sense Transformers Part Context

This component belongs to the RL-9740 series of current sense transformers produced by Renco Electronics, Inc. These devices are designed for non-invasive current measurement in electronic circuits. The series typically offers various ratios and current ratings to suit different power management applications.

Current Sense Transformers Replacement Considerations

Consult official Renco Electronics substitution guides for verified alternatives. Ensure any replacement maintains the 200:1 ratio, 38 A rating, and through-hole form factor. Cross-reference electrical parameters such as inductance and resistance to guarantee circuit compatibility.