RL-9750-3HL-3,7

Common Mode Chokes Overview

The RL-9750-3HL-3,7 is a through-hole AC line filter manufactured by Renco Electronics, Inc. It functions as a two-line common mode choke designed for single-phase EMI suppression applications. The component features a nominal inductance of 3.7 mH measured at a frequency of 10 kHz. It supports a maximum current rating of 3 A and exhibits a direct current resistance (DCR) of 56 mOhm. The device utilizes a through-hole mounting style suitable for standard PCB assembly processes.

Common Mode Chokes Feature Summary

• Two-line common mode choke configuration for effective noise reduction
• Through-hole construction for robust mechanical attachment
• Single-phase EMI filtering capability

Common Mode Chokes Applications

• AC line input filtering
• Electromagnetic interference suppression
• Power supply noise attenuation

Common Mode Chokes Procurement Notes

Verify the specific part number suffix to ensure correct inductance value matching. Confirm package compatibility with existing board layouts. Check datasheet specifications for thermal limits and current derating curves before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component based on required inductance values and current handling capabilities. Ensure the through-hole footprint aligns with manufacturing constraints. Evaluate DCR specifications against voltage drop requirements in the circuit design.

Common Mode Chokes Part Context

This component belongs to the RL-9750-3 series of AC line filters produced by Renco Electronics, Inc., which was acquired by Standex Electronics. The series includes various inductance options tailored for different EMI suppression needs while maintaining consistent form factors.

Common Mode Chokes Replacement Considerations

Consult official manufacturer substitution lists for verified equivalents. Cross-reference inductance, current ratings, and physical dimensions when evaluating alternative components.