High-Current Low DCR SMD Choke with Superior Noise Suppression for Power Supply Filtering

Engineered for demanding power applications, the SQS1918A Series is a comprehensive lineup of high-performance Common Mode Chokes that deliver superior common-mode noise suppression. These robust Power Inductors are designed to handle high currents up to 10A while maintaining exceptionally Low DCR SMD Choke characteristics, ensuring minimal power loss and maximum efficiency in compact designs. Ideal for high-density power supplies, they offer a wide selection of inductance values to meet precise filtering requirements across a broad power spectrum.

Key Features

• High-Current Performance: Uniquely designed to support very high rated currents, from standard 1.0A up to 10.0A, catering to robust power applications.

• Optimized for Efficiency: The Low DCR SMD Choke design, with resistance as low as 20mΩ, significantly reduces copper losses and improves overall system efficiency.

• Superior Noise Suppression: High-permeability material and low stray capacitance provide high impedance and excellent attenuation of electromagnetic interference (EMI).

• Wide Inductance Range: A broad selection of 17 models with nominal inductance from 0.5mH to 30mH allows for precise circuit tuning.

• Robust & Reliable: Constructed with UL94V-0 compliant materials and offering high insulation resistance, ensuring safety and durability in various environments. RoHS and REACH compliant.

Technical Specifications

Applications

These high-performance Common Mode Chokes and Power Inductors are essential for EMI filtering in medium to high-power applications, including:

• High-Power SMPS: Noise suppression in switching power supplies for industrial equipment, servers, and telecom infrastructure.

• Power Adapters & Chargers: Efficient filtering in high-wattage laptop chargers, LCD TV power boards, and fast battery charging systems.

• Industrial Automation: Motor drives, control systems, and robotics requiring stable operation in noisy environments.

• Home Appliances: Washing machines, air conditioners, and other high-power household electronics for improved EMC compliance.

• Automotive Systems: On-board chargers (OBC) and DC-DC converters in electric and hybrid vehicles.

   Shaanxi SHINHOM Enterprise Co.,Ltd is one large-sized key enterprise in producing magnetic components and supplying OEM`high quality magnetics components in China ,It has been approved for the certification ISO9001&QS9000.Shinhom has grown rapidly by supplying high quality magnetic components on-time, offering competitive pricing, and providing strong customer service, It`s products can be widely used in personal computer, computer peripherals, automotive electronics, consumer electronics, elecommunication equipment ,test equipment, GPS equipment, medical appliances and cellular Phone to name just a few . It has annual capacity reaches 300 Million Pieces and has more than 37 year of experience in producing inductors & transformers,Current transformers, filters.

    Since its inception in 1998, SHINHOM has become a major supplier of inductors & transformers and Product Solutions for its professional R&D Department, accurate market positioning and high quality products.