Compact SMD Common Mode Choke with High Current Capability and Superior EMI Suppression for Space-Efficient Power Supply Noise Filtering

Engineered for modern power electronics, the SQS1212A Series represents a line of high-performance SMD Inductors designed to effectively suppress electromagnetic interference (EMI). These Low DCR Chokes utilize a square core construction and high-permeability material to deliver high impedance at low frequencies with minimal DC power loss. Their compact SMD flat profile and superior attenuation characteristics make them an ideal, cost-effective solution for enhancing EMC performance in space-constrained applications.

Key Features

• Space-Efficient & Reliable: Compact SMD footprint with a square core design minimizes board space usage and reduces magnetic leakage.

• Superior EMI Suppression: High-permeability material combined with low stray capacitance ensures high impedance at low frequencies and provides excellent attenuation of common-mode noise.

• High Current Capability: The Low DCR Choke design minimizes voltage drop and power loss, supporting high rated currents up to 3.0A for robust power handling.

• Safety & Compliance: Construction features materials compliant with UL94V-0 flammability rating and offers high insulation resistance, meeting international safety standards. The series is also RoHS and REACH compliant.

• Automated Production: Manufactured with automated processes for high consistency, reliability, and cost-effectiveness.

Technical Specifications

Applications

These versatile Common Mode Chokes are ideally suited for noise filtering in a wide array of power supply circuits and electronic devices, including:

• Switching Mode Power Supplies (SMPS): High-density designs for LCD TVs, Power Adapters, and Battery Chargers.

• Consumer Electronics: Effective EMI filtering in Home Appliances and various digital devices.

• Industrial Electronics: Noise suppression in control boards, motor drives, and industrial power systems.

• Automotive Electronics: DC-DC converters and onboard chargers where reliable performance is critical.

High Current Capability Common Mode Choke

Superior EMI Suppression SMD Inductor

Space-Efficient Low DCR Choke

Compact SMD Common Mode Choke with High Current Capability and Superior EMI Suppression for Space-Efficient Power Supply Noise Filtering Images