RL-9740-2

Current Sense Transformers Overview

The RL-9740-2 is a through-hole current sense transformer manufactured by Renco Electronics, Inc. It features a 100:1 turns ratio and supports an operating frequency range of 10kHz to 200kHz. The device has a maximum primary current rating of 37 A and a secondary resistance of 1.4 Ohms. Its inductance is specified at 20 mH. This component is designed for precise current monitoring applications within electronic circuits requiring high-frequency signal integrity.

Current Sense Transformers Feature Summary

• Provides accurate current sensing with a fixed 100:1 transformation ratio
• Operates effectively within the 10kHz to 200kHz frequency spectrum
• Engineered for through-hole mounting on printed circuit boards

Current Sense Transformers Applications

• Switch-mode power supply current monitoring
• Inverter control systems
• Motor drive feedback loops

Current Sense Transformers Procurement Notes

Verify the specific manufacturer part number RL-9740-2 against official Renco Electronics documentation to ensure compatibility with your design requirements. Confirm that the 37 A current rating and 20 mH inductance meet your system's electrical specifications before procurement.

Current Sense Transformers Selection Notes

Select this component when a 100:1 ratio and 10kHz-200kHz bandwidth are required. Ensure the PCB layout accommodates through-hole packaging and that the 1.4 Ohm secondary impedance aligns with your downstream sensing circuitry constraints.

Current Sense Transformers Part Context

This model belongs to the RL-9740 series of current sense transformers from Renco Electronics. The series offers various ratios and inductance values, with the RL-9740-2 specifically providing a 100:1 ratio and 20 mH inductance for mid-range current sensing applications.

Current Sense Transformers Replacement Considerations

Consult official Renco Electronics substitution guides for verified alternatives. Cross-reference parameters such as turns ratio, inductance, and frequency response to ensure functional equivalence.