DLW Common Mode Choke Coils Murata Electronics DLW Common Mode Choke Coils offer high impedance in the high-frequency band for more effective noise suppression. These choke coils are designed to be low-profile winding type. The DLW series utilizes characteristic impedance matching to enable a sound transmission of high-speed signals. The choke coils are available in general purpose and AEC-Q200 automotive grade. The components offer a wound, low-profile construction in multiple case sizes, and ultra-high self-resonance frequency. Murata DLW Common Mode Choke Coils are ideal for suppressing power line noise on powertrain and safety system Electronic Control Units (ECUs).