SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/8/3
The PM2120-330K-RC is a high-current SMD power inductor designed for efficient energy storage and EMI suppression in switching power supplies. Its toroidal iron-core construction provides low DC resistance, high current handling capability and stable inductance, making it an ideal solution for industrial, automotive and high-power DC/DC converter applications.
Category: Inductors, Coils, Chokes Fixed Inductors
Shielding: Unshielded
Mfr: Bourns Inc.
DC Resistance (DCR): 13mOhm Max
Series: PM2120
Operating Temperature: -55°C ~ 105°C
Packaging: Bulk
Inductance Frequency - Test: 1 kHz
Part Status: Active
Mounting Type: Surface Mount
Type: Toroidal
Package / Case: Nonstandard
Material - Core: Iron
Size / Dimension: 1.201" L x 1.000" W (30.50mm x 25.40mm)
Inductance: 33 µH
Height - Seated (Max): 0.820" (20.83mm)
Tolerance: ±10%
Base Product Number: PM2120
Current Rating (Amps): 10.1 A
High Current Capability: The inductor supports 10.1A continuous current, making it suitable for high-power switching regulators and DC/DC converters that require excellent current handling capability.
Low DC Resistance: With a maximum 13mΩ DC resistance, the PM2120-330K-RC minimizes conduction losses, improves conversion efficiency and reduces heat generation during operation.
Toroidal Iron Core Design: The toroidal iron-core construction provides excellent magnetic efficiency while reducing magnetic flux leakage and electromagnetic interference (EMI).
Excellent Energy Storage Performance: The 33µH inductance enables efficient energy storage and smooth current delivery, helping reduce output ripple in switching power supplies.
Wide Operating Temperature Range: Designed for operation from -55°C to +105°C, the inductor maintains reliable performance in harsh industrial and outdoor environments.
DC/DC Converters: Used as an energy storage inductor in switching regulators to improve power conversion efficiency and stabilize output current.
Switching Power Supplies: Suitable for AC/DC and DC/DC power supplies requiring high-current inductors with low power loss.
Industrial Electronics: Provides reliable power filtering and energy storage in PLCs, motor controllers and industrial automation equipment.
Renewable Energy Systems: Widely used in solar inverters, battery management systems (BMS) and energy storage equipment.
High-Current Power Modules: Supports high-current voltage regulation modules used in servers, communication equipment and embedded power systems.
The PM2120-330K-RC combines high current capability, low DC resistance, efficient toroidal construction and reliable performance, making it an excellent power inductor for demanding DC/DC conversion and industrial power applications.