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ELF-21N040A is listed in the Common Mode Chokes range at ChipApex. The manufacturer field lists Panasonic Electronic Components. Its product description is CMC 4A 2LN TH. Review the specifications below when checking this part for your BOM.
Common Mode Chokes specifications for ELF-21N040A
- Description：CMC 4A 2LN TH
- Series：N
- Mfr：Panasonic Electronic Components
- Package：Bulk
- Filter Type：-
- Number of Lines：2
- Current Rating (Max)：4A
- DC Resistance (DCR) (Max)：33mOhm (Typ)
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：0.787" L x 1.260" W (20.00mm x 32.00mm)
- Height (Max)：1.181" (30.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：-
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
Common Mode Chokes datasheet and documents for ELF-21N040A
Common Mode Chokes Overview
The Panasonic ELF-21N040A is a single-phase common mode line filter designed for power line applications. It belongs to the Series N, Type 21N family of EMI filters. The component features through-hole mounting and is constructed for robust performance in suppressing electromagnetic interference on AC mains lines.
Common Mode Chokes Feature Summary
- Provides effective attenuation of common mode noise on single-phase power lines
- Designed for through-hole installation on printed circuit boards
- Constructed as a dedicated common mode choke for EMI suppression
Common Mode Chokes Applications
- Single-phase AC power input filtering
- Electromagnetic interference suppression in electronic equipment
- Common mode noise reduction in power supply circuits
Common Mode Chokes Procurement Notes
Verify the specific manufacturing origin, as production for the ELF-xxN series has been transferred between facilities. Confirm RoHS compliance status and lead times with authorized distributors. Ensure the part number suffix matches the required specification for your design.
Common Mode Chokes Selection Notes
Select this component for single-phase applications requiring common mode noise filtration. Consider the current rating and inductance values relative to the load requirements. Verify physical dimensions and pin spacing for PCB layout compatibility before integration.
Common Mode Chokes Part Context
This component is part of Panasonic's ELF-21N series of common mode chokes. These filters are engineered for use in power line applications where significant common mode noise suppression is necessary. The series offers various ratings to suit different power levels and interference profiles.
Common Mode Chokes Replacement Considerations
Check for direct substitutes within the ELF-21N series or compatible common mode chokes from other manufacturers. Ensure equivalent electrical characteristics, such as inductance and current handling, are met. Verify mechanical fit and terminal configuration for seamless replacement.
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