Key Features‌

• ‌Compact & Efficient Design‌:The square core of the ‌Power Line Common Mode Choke SQS‌ ensures low DCR and leakage, critical for ‌EMI Filter‌ performance in high-density power supplies.
• ‌High-Performance Materials‌:High-permeability alloys provide exceptional impedance at low frequencies, enhancing noise suppression in ‌common mode choke on DC power‌ applications.
• ‌Superior Noise Attenuation‌:Minimized stray capacitance enables high attenuation to high-frequency noise, a hallmark of premium ‌Power Line Common Mode Chokes‌.
• ‌Safety & Compliance‌:UL 94 V-0 flammability rating, RoHS/REACH compliance, and halogen-free options ensure compatibility with eco-conscious ‌EMI Filter‌ designs.
• ‌Electrical Robustness‌:Withstands 2400VAC for 60 seconds and maintains 100MΩ insulation resistance at 500VDC, even when handling ‌common mode choke polarity‌ variations.
• ‌Wide Temperature Range‌:Operates reliably from -40℃ to +125℃, suitable for ‌common mode choke on DC power‌ systems in extreme environments.

Applications‌

• ‌Switching Power Supplies‌:Integrates seamlessly into high-density ‌EMI Filter‌ networks for AC-DC converters, where ‌Power Line Common Mode Chokes‌ mitigate ground-loop noise.
• ‌Consumer Electronics‌:Ideal for LCD TVs, battery chargers, and power adapters requiring precise ‌common mode choke polarity‌ management to prevent signal distortion.
• ‌Industrial Equipment‌:Protects motor drives and PLCs from EMI in ‌common mode choke on DC power‌ configurations, ensuring stable operation in harsh settings.
• ‌Home Appliances‌:Space-saving design replaces bulkier chokes in smart home devices, leveraging the ‌Power Line Common Mode Choke SQS‌’s compact footprint.
• ‌Renewable Energy Systems‌:Enhances EMI suppression in solar inverters and EV chargers, where ‌common mode choke polarity‌ alignment is critical for efficiency.

‌Technical Synergies

• ‌EMI Filter Integration‌:The ‌Power Line Common Mode Choke SQS‌ pairs with X/Y-capacitors in ‌EMI Filter‌ topologies to achieve full-spectrum noise suppression.
• ‌Polarity Optimization‌:Proper ‌common mode choke polarity‌ configuration maximizes impedance matching in DC power rails, reducing conducted emissions.
• ‌DC Power Stability‌:When deployed as a ‌common mode choke on DC power‌, it neutralizes ground-borne noise in data centers and telecom infrastructure.

Series in this family

Product Series	Inductance(mH)	IDC(A)	DCR(mΩ)
SQS1212	0.8-9.5	0.6-3.6	25-500
SQS1212HP	1.8-22	0.6-3.6	25-500
SQS1515A	2.0-20	1.5-5.0	60-250
SQS1515B	2.0-20	1.5-5.0	60-250
SQS1918	6.0-22	1.5-3.0	100-159

FERRTX is dedicated to setting a high bar of excellence for industries that integrate or utilize magnetics technologies in our Power Line Common Mode Choke SQS products.