744844471

Overview

The Würth Elektronik 744844471 is a through-hole common mode choke from the WE-ExB Power series. It features an inductance of 470 µH at 10 kHz and supports a maximum DC current of 9 A. The component has a maximum DC resistance of 0.016 Ω and withstands 1.5 kVAC. It operates within a temperature range of -40°C to +125°C and is rated for 250 VAC.

Feature Summary

• High current handling capability with 9 A rating
• Low DC resistance for efficient power transmission
• Robust insulation with 1.5 kVAC withstand voltage
• Wide operating temperature range for industrial environments

Applications

• Power supply input filtering
• EMI suppression in AC mains circuits
• Industrial equipment noise reduction

Procurement Notes

Verify the specific package type and pin configuration against the official datasheet before integration. Confirm that the 9 A current rating aligns with your circuit's peak load requirements. Ensure the 1.5 kVAC isolation meets safety standards for your application. Check mounting hole dimensions for PCB compatibility.

Selection Notes

Select this component when high current capacity and low insertion loss are critical. The through-hole design offers mechanical stability for heavy-duty applications. Consider the 470 µH inductance value for effective common mode noise attenuation at target frequencies. Evaluate thermal management needs given the 9 A rating.

Part Context

This part belongs to Würth Elektronik's WE-ExB Power series, designed for robust power line filtering. The series emphasizes high current performance and reliability in demanding environments. Common mode chokes in this line typically feature shielded designs to minimize electromagnetic interference leakage.

Replacement Considerations

Cross-reference with other WE-ExB parts for similar inductance and current ratings. Verify pinout and physical dimensions match existing board layouts. Ensure equivalent voltage ratings and temperature specifications are met by any substitute.