Eaton Shielded Wirewound Surface Mount Inductor with Ferrite Core 3.3μH ±20% 21.5A DC Current DR127-3R3-R

Eaton DR127-3R3-R is a shielded wirewound surface mount inductor featuring a ferrite core with a nominal inductance of 3.3μH and a tolerance of ±20%. It is designed to handle a maximum DC current of 21.5A and offers high power density with efficient magnetic shielding via its drum core construction.

This inductor is tailored for surface mount technology with a compact 0127 package case measuring 12.5mm in length and 8mm in height, terminated with two pins allowing secure and efficient PCB mounting. The inductor is moulded and RoHS compliant, supporting environmentally friendly manufacturing processes.

It performs reliably across a broad temperature range from -40°C to a maximum of 125°C, making it suitable for demanding industrial and consumer electronic applications. The maximum DC resistance is a low 5.67mΩ, contributing to energy efficiency and minimal heat generation during operation.

The maximum self-resonant frequency is 100kHz, fitting applications including noise filtering, buck, boost, forward, and resonant DC-DC converters. Common use cases include computers, DVD players, portable devices, LCD panels, and other power-sensitive electronics.

Packaging on reels facilitates automated assembly for volume production environments. Eaton, formerly known as Bussmann Ideate, is a reputed brand providing reliable magnetically shielded inductors engineered for industrial, laboratory, commercial, and manufacturing electronics.

This inductor features a magnetically shielded drum core construction for high efficiency and power density. Designed for surface mount applications with a 2-pin termination style and package size 0127. It operates within a temperature range of -40°C to 125°C, maintaining performance and durability.

Core material is ferrite with a maximum self-resonant frequency of 100kHz, ideal for noise filtering and converter circuits. RoHS compliant, moulded construction ensures environmental compliance and physical robustness. The product is supplied on a reel, facilitating automated placement and production efficiency.

The maximum DC resistance is 5.67mΩ with an inductance tolerance of ±20%, suitable for diverse electronic systems. Applications include computers, DVD players, portable devices, LCD panels, DC-DC converters, and various switching converters.

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