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DLW21HN670HQ2L is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is CMC 240MA 2LN 67 OHM SMD. Review the specifications below when checking this part for your BOM.
The DLW21HN670HQ2L is a surface-mount common mode choke from Murata’s DLW21HN series, designed for high-frequency noise suppression. It features an impedance of 67 Ohms at 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 240 mA and exhibits a maximum DC resistance of 490 mOhms. Housed in a compact 0805 (2012 metric) package measuring 2.0 mm x 1.2 mm x 0.9 mm, it operates within a temperature range of -40°C to +85°C.
Verify the specific suffix HQ2L against official Murata documentation to confirm package dimensions and termination specifications. Ensure compatibility with PCB footprint requirements for the 0805 form factor. Cross-reference the impedance value at 100 MHz with circuit simulation models to validate performance in target frequency bands before finalizing procurement.
Select this component when space-constrained designs require effective common mode noise reduction on differential pairs. The 240 mA current rating suits low-power signal lines rather than power delivery paths. Consider the unshielded nature of the wirewound design for applications where magnetic field interaction with nearby components must be managed through layout spacing.
This part belongs to the DLW21HN series, which utilizes wirewound technology for higher Q-factor performance compared to monolithic alternatives. The series is optimized for consumer electronics and automotive applications requiring reliable EMI suppression in small footprints. It complements other DLW21 variants that offer different impedance levels or shielding configurations.
DLW21HN900HQ2L offers 90 Ohms impedance; DLW21HN181SQ2L provides 180 Ohms. Verify current ratings and physical dimensions match when substituting.
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