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DLW21SN121HQ2L is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is CMC 280MA 2LN 120 OHM SMD. Review the specifications below when checking this part for your BOM.
Common Mode Chokes specifications for DLW21SN121HQ2L
- Description：CMC 280MA 2LN 120 OHM SMD
- Series：DLW21
- Mfr：Murata Electronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：280mA
- DC Resistance (DCR) (Max)：410mOhm
- Voltage Rating - DC：20V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：120 Ohms @ 100 MHz
- Qualification：-
- Grade：-
Common Mode Chokes datasheet and documents for DLW21SN121HQ2L
Common Mode Chokes Overview
The DLW21SN121HQ2L is a wirewound common mode choke from the Murata EMIFIL DLW21 series, designed for surface mount applications in the 0805 (2012 metric) package. It features an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 280 mA and has a maximum DC resistance of 410 mOhms. It operates within a temperature range of -40°C to +85°C and is rated for 20V.
Common Mode Chokes Feature Summary
- Wirewound construction for effective electromagnetic interference suppression
- Compact 0805 surface mount footprint for space-constrained designs
- High impedance performance at 100 MHz for noise filtering
Common Mode Chokes Applications
- Signal line noise suppression in portable electronic devices
- EMI filtering for high-speed data interfaces
- Common mode noise reduction in compact consumer electronics
Common Mode Chokes Procurement Notes
Verify the complete part number including suffixes against official Murata documentation to ensure correct impedance and voltage ratings. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents before procurement. Ensure storage conditions align with component specifications to maintain reliability.
Common Mode Chokes Selection Notes
Select this component when a 120 Ohm impedance at 100 MHz is required for common mode noise suppression in a 0805 package. Ensure the application current does not exceed 280 mA to prevent saturation. Verify that the operating temperature range of -40°C to +85°C meets environmental requirements.
Common Mode Chokes Part Context
This component belongs to the Murata DLW21 series of chip common mode chokes. The series utilizes wirewound technology to provide high impedance characteristics in a small form factor. The DLW21SN variant specifically denotes the unshielded construction type within this product line.
Common Mode Chokes Replacement Considerations
Consult official Murata substitution guides for verified alternatives. Cross-referencing requires matching impedance, current rating, and package dimensions.
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