B82730G3751A020

Overview

The B82730G3751A020 is a through-hole common mode choke from the EPCOS B82730 series. It features a nominal inductance of 3.9 mH measured at 10 kHz and supports a rated current of 750 mA. The component has a typical DC resistance of 700 mOhm and operates within a temperature range of -40°C to +125°C. Designed for power line applications, it provides two-line filtering with a maximum height of 12.00 mm.

Feature Summary

• Common mode noise suppression for two-line power circuits
• Through-hole mounting configuration for PCB integration
• High-temperature operation capability up to 125°C

Applications

• Power line filtering in electronic equipment
• EMI suppression in industrial control systems
• Noise reduction in AC/DC power supply inputs

Procurement Notes

Verify the specific suffix 'G' against the manufacturer's datasheet to confirm mechanical dimensions and material specifications. Ensure the required inductance tolerance and current rating align with the circuit design constraints before finalizing procurement orders.

Selection Notes

Select this component when a 3.9 mH inductance at 10 kHz is required for common mode interference suppression. Consider the 750 mA current rating and 700 mOhm DC resistance to ensure compatibility with the target power line application without excessive voltage drop or thermal issues.

Part Context

This part belongs to the B82730 series of U-core double chokes manufactured by EPCOS (TDK Electronics). These components are designed for power line applications, offering compact solutions for electromagnetic interference mitigation in various electronic devices requiring robust noise filtering capabilities.

Replacement Considerations

Consult official substitution lists for equivalent parts within the B82730 series or compatible families. Verify that any alternative maintains identical inductance, current ratings, and physical footprint to ensure seamless integration.