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DLW21HN670SQ2L is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is CMC 330MA 2LN 67 OHM SMD. Review the specifications below when checking this part for your BOM.
The DLW21HN670SQ2L is a single-channel common mode choke manufactured by Murata Electronics, belonging to the EMIFIL DLW21 series. It features a wirewound construction in an unshielded 0805 (2012 metric) surface-mount package with dimensions of 2 mm x 1.2 mm x 0.9 mm. The component exhibits an impedance of 67 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 330 mA and has a maximum DC resistance of 350 mOhms. The device operates within a temperature range of -40°C to +85°C.
Verify the specific impedance value of 67 Ohms and the 330 mA current rating against circuit requirements. Confirm the 0805 package dimensions match the board layout. Ensure the operating temperature range of -40°C to +85°C meets environmental specifications. Check RoHS compliance status as indicated in official documentation.
Select this component when a low-impedance path for differential signals is needed alongside common mode noise attenuation. The 67 Ohm impedance offers moderate filtering at 100 MHz. Consider the 350 mOhms DC resistance for power loss calculations. The unshielded type requires consideration of external magnetic field interactions.
This part belongs to the Murata DLW21 series of chip common mode chokes. The series includes various impedance values tailored for different noise suppression needs. The DLW21HN suffix indicates specific characteristics within the broader DLW21 family, distinguishing it from shielded or higher-current variants.
The impedance of 67 Ohms is measured at a test frequency of 100 MHz.
No, the DLW21HN670SQ2L is an unshielded common mode choke.
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