Engineered for robust power management solutions, the SQS1515A Series comprises high-efficiency SMD inductors designed as premier power supply filters. These low DCR common mode chokes leverage a square core and advanced high-permeability material to deliver superior common-mode noise suppression, characterized by high impedance at low frequencies and minimal core leakage.

• Compact SMD flat package for high-density PCB designs
• Square core structure for low leakage and ultra-low DC resistance (DCR)
• High-permeability material ensures high impedance at low frequencies
• Excellent noise attenuation due to low stray capacitance
• High withstanding voltage and high insulation resistance
• UL94V-0 flammability rating
• RoHS and REACH compliant

• Test Frequency: 1.0 kHz, 0.25 V
• Rated Voltage: 80 Vac - 265 Vac
• Withstanding Voltage: 1.0 kVac for 2 seconds
• Operating Temperature Range: -25°C to +125°C (including coil temperature rise)
• Storage Temperature Range: -25°C to +100°C
• Insulation Resistance: 100 MΩ Min. @ 500 Vdc

The SQS1515A Series is the ideal choice for effective EMI filtering in a wide range of medium to high-power applications, including:

• Switching Mode Power Supplies (SMPS): High-density and high-power designs for industrial and consumer electronics
• Consumer Electronics: Power adapters, LCD/LED televisions, and high-current battery chargers
• Home Appliances: Washing machines, air conditioners, and other high-power household devices
• Industrial Equipment: Power supplies for motor drives, control systems, and automation machinery