SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/8/4
The DR127-330-R is a high-performance shielded power inductor designed for energy storage and EMI suppression in switching power supplies. With its ferrite drum core construction, low DC resistance and excellent current handling capability, it delivers stable performance in compact power conversion systems for industrial, communication and consumer electronic applications.
Category: Inductors, Coils, Chokes Fixed Inductors
Current - Saturation (Isat): 6.22A
Mfr: Eaton - Electronics Division
Shielding: Shielded
Series: DR
DC Resistance (DCR): 60mOhm
Packaging: Tape & Reel (TR) Cut Tape (CT) Digi-Reel®
Operating Temperature: -40°C ~ 125°C
Part Status: Active
Inductance Frequency - Test: 100 kHz
Type: Drum Core, Wirewound
Mounting Type: Surface Mount
Material - Core: Ferrite
Package / Case: Nonstandard
Inductance: 33 µH
Size / Dimension: 0.492" L x 0.492" W (12.50mm x 12.50mm)
Tolerance: ±20%
Height - Seated (Max): 0.315" (8.00mm)
Current Rating (Amps): 3.23 A
High Current Capability: The inductor supports 3.23A rated current and 6.22A saturation current, providing stable performance in medium- to high-current power conversion circuits.
Low DC Resistance: A maximum 60mΩ DCR minimizes conduction losses and heat generation, helping improve power conversion efficiency and overall system reliability.
Shielded Ferrite Drum Core: The shielded ferrite drum core design minimizes magnetic flux leakage and EMI, improving electromagnetic compatibility in densely populated circuit boards.
Efficient Energy Storage: The 33µH inductance provides excellent energy storage capability for buck, boost and other switching converter topologies, reducing output ripple and improving voltage stability.
Wide Operating Temperature Range: Designed for operation from -40°C to +125°C, the inductor maintains reliable electrical performance in demanding industrial environments.
DC/DC Converters: Used in buck, boost and other switching regulators to store energy and stabilize output current.
Switching Power Supplies: Suitable for AC/DC and DC/DC power supplies requiring high-efficiency magnetic components.
Industrial Control Equipment: Provides reliable power filtering for PLCs, industrial controllers and automation systems.
Communication Equipment: Used in networking equipment, communication modules and telecom power systems requiring stable power conversion.
Consumer Electronics: Integrated into televisions, set-top boxes, gaming systems and other electronic devices using switching power supplies.
The DR127-330-R combines high current capability, low DC resistance, shielded ferrite construction and reliable thermal performance, making it an ideal power inductor for DC/DC converters, industrial equipment and power management applications.