744282102

Overview

The Würth Elektronik 744282102 is a surface-mount common mode filter choke from the WE-SCC series. It features an inductance of 1 mH at 100 kHz and provides an impedance of 160 kOhms at 2 MHz. The component supports a maximum DC current of 250 mA with a maximum DC resistance of 2.8 Ohms. Designed for two-line applications, it operates within a temperature range of -40°C to +125°C. The physical dimensions are 12.5 mm x 12.5 mm x 6.5 mm, utilizing a horizontal four-pin package suitable for PCB mounting.

Feature Summary

• Provides high attenuation for common mode noise in power and signal lines
• Optimized for surface-mount assembly processes
• Engineered for stable performance across wide industrial temperature ranges

Applications

• Power supply input filtering
• Signal line noise suppression
• EMI reduction in electronic circuits

Procurement Notes

Verify the specific order code against manufacturer documentation to ensure correct packaging configuration. Confirm that the rated voltage and current parameters align with the target circuit requirements before finalizing procurement decisions.

Selection Notes

Select this component when high impedance at 2 MHz is required for effective noise suppression. Ensure the PCB footprint matches the 12.5 mm x 12.5 mm dimensions. Consider the 250 mA current rating to prevent saturation under load conditions.

Part Context

This part belongs to the WE-SCC series of SMD common mode chokes. It is designed for compact electronics where space constraints limit the use of larger through-hole components. The series offers various inductance values to suit different filtering needs.

FAQ

What is the operating temperature range?

The component operates reliably between -40°C and +125°C.

Is this component automotive qualified?

No, this specific part number does not hold AEC-Q200 qualification.