ELF-17N003A

Common Mode Chokes Overview

The ELF-17N003A is a discontinued single-phase EMI filter belonging to the Panasonic Series N, Type 17N. It functions as a common mode choke designed for through-hole mounting on printed circuit boards. The component features a rated current of 300mA and supports two-line configurations. Its physical dimensions are 22.7mm in length, 15.0mm in width, and 21.5mm in height. The terminals utilize tin-copper plating for soldering.

Common Mode Chokes Feature Summary

• Provides electromagnetic interference suppression for single-phase circuits
• Utilizes a common mode choke architecture for noise reduction
• Designed for reliable through-hole PCB integration

Common Mode Chokes Applications

• Single-phase power supply input filtering
• Electromagnetic compatibility (EMC) enhancement in electronic devices
• Noise suppression in low-current AC/DC line applications

Common Mode Chokes Procurement Notes

This component is officially discontinued by Panasonic Electronic Components. Production has ceased, and it is no longer available for new procurement from authorized distributors. Verify end-of-life status and source availability carefully before design finalization.

Common Mode Chokes Selection Notes

Engineers should identify alternative components due to the obsolete status of this part number. Evaluate replacement options that match the required 300mA rating and physical footprint constraints while ensuring compliance with current EMC standards.

Common Mode Chokes Part Context

The ELF-17N003A belongs to the Series N, Type 17N family of line filters manufactured by Panasonic Industry. This series was engineered for compact EMI suppression in consumer and industrial electronics requiring single-phase filtering solutions.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers must independently verify equivalent specifications for cross-referencing.