DLW43SH220XK2

Common Mode Chokes Overview

The DLW43SH220XK2 is a surface-mount common mode choke from the Murata EMIFIL DLW43S series. It features an inductance of 22 µH with a tolerance of -30% to +50%. The component supports a maximum DC current of 310 mA and has a maximum DC resistance of 600 mOhms. It operates within a temperature range of -40°C to +125°C. The device is housed in a 1812 (4532 metric) package, measuring 4.5 mm x 3.2 mm x 2.6 mm. It is AEC-Q200 qualified and utilizes a wirewound construction.

Common Mode Chokes Feature Summary

• Provides electromagnetic interference suppression for signal lines through common mode filtering.
• Constructed using wirewound technology for reliable performance in unshielded configurations.
• Designed for surface-mount PCB assembly with compact physical dimensions.

Common Mode Chokes Applications

• Signal line filtering in automotive electronic systems
• EMI suppression for high-speed data interfaces
• Noise reduction in consumer electronics circuits

Common Mode Chokes Procurement Notes

Verify the specific suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and packaging options. Ensure the selected variant meets the required AEC-Q200 qualification standards for your target application environment. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.

Common Mode Chokes Selection Notes

Select this component when a 22 µH inductance value is required for common mode noise attenuation. Consider the 310 mA current rating and 600 mOhm DCR limits to ensure compatibility with the circuit's power requirements. The 1812 package size should be evaluated against available PCB real estate and thermal management constraints.

Common Mode Chokes Part Context

This component belongs to the Murata DLW43S series of EMI suppression filters. The series offers various inductance values within the same 1812 footprint, allowing for design flexibility. The DLW43SH220XK2 specifically targets applications requiring moderate inductance with high current handling capabilities in a small form factor.

Common Mode Chokes Replacement Considerations

Consult the official Murata DLW43S series datasheet for direct pin-compatible alternatives with different inductance values. Verify that any substitute maintains the same 1812 package dimensions and AEC-Q200 qualification if automotive reliability is required.

Common Mode Chokes FAQ

What is the inductance tolerance for the DLW43SH220XK2?

The inductance tolerance is specified as -30% to +50%.

Is this component qualified for automotive applications?

Yes, the DLW43SH220XK2 is AEC-Q200 qualified.