ELF-21N016A

Common Mode Chokes Overview

The ELF-21N016A is a common mode choke from the Panasonic N series, designed for power line filtering. It features two lines with an inductance of 15mH and supports a DC current of 1.6A. The component has a DC resistance of 212 milliohms and utilizes a vertical through-hole package with four pins. Its physical dimensions are 20.00mm in length, 32.00mm in width, and a maximum height of 30.00mm. The device operates within a temperature range of -20°C to 115°C.

Common Mode Chokes Feature Summary

• Provides common mode noise suppression for dual-line power circuits
• Constructed for reliable through-hole mounting on printed circuit boards
• Engineered for stable performance across a wide industrial temperature range

Common Mode Chokes Applications

• Power supply input filtering
• EMI suppression in electronic equipment
• Signal integrity protection in industrial control systems

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix against the official Panasonic datasheet to ensure correct packaging and tolerance specifications. Confirm that the selected variant matches the required lead time and availability status for your production schedule. Cross-reference the part number with authorized distributors to validate authenticity and traceability documentation before finalizing procurement orders.

Common Mode Chokes Selection Notes

Select this component when dual-line common mode noise attenuation is required at 1.6A continuous current. Ensure the PCB layout accommodates the specified vertical footprint and pin spacing. Verify that the operating environment remains within the -20°C to 115°C thermal limits to maintain electrical stability and prevent saturation during peak load conditions.

Common Mode Chokes Part Context

This component belongs to the Panasonic N series of common mode chokes, which are specialized for power line applications. The series offers various inductance and current ratings to suit different filtering requirements. The ELF-21N016A specifically targets scenarios requiring moderate inductance with robust current handling capabilities in a standard through-hole form factor.

Common Mode Chokes Replacement Considerations

Consult official substitution lists for compatible alternatives within the Panasonic N series or equivalent industry-standard components. Verify that any substitute matches the critical parameters of 15mH inductance, 1.6A current rating, and 212mΩ DCR. Ensure mechanical compatibility with the existing PCB footprint and mounting orientation.