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Frame Core Chokes SQ1412 Horizontal Series

Frame Core Chokes SQ1010 Horizontal Series

Frame Core Chokes SQ1412/1515/1918/2018 Horizontal

Characteristics:
· Space-efficient design with minimal flux leakage enabled by an O-type SQ ferrite core structure
· Low parasitic capacitance for effective noise suppression across a wide frequency range
· Single-layer coil construction that eliminates the possibility of inter-winding short circuits
· Enhanced normal mode noise filtering performance
· Up to 90% reduction in winding process time for improved manufacturing efficiency
· High inductance value delivered through specialized ferrite material formulation and sintering techniques

Common Applications:
·Switching Power Supplies
·LED Drivers
·Industrial Automation
·Communication Devices
·Household Appliances
·Audio/Medical Equipment

Specifications:
· Rated Voltage:AC/DC 250V
·Operating Temperature:-40℃ to+120℃
·Withstanding Voltage:
AC 2000V for 60 sec or
AC 2400V for 1-2 sec(Line-to-Line)
·Insulation Resistance:≥100 mΩ(DC 500V)
·Temperature Rise:≤40℃ at rated current

Options:
·Bulk or Tape &Reel packaging
·Custom inductance,wire gauge,and winding configuration
·Alternative ferrite materials for ailored performance
·SMD versions available on request

Quantity:
Availability:





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Model:
SQ1412/1515/1918/2018 Horizontal
Brand:
INF

Frame Core Chokes SQ1412/1515/1918/2018 Horizontal SQ Common Mode Choke SQ Common Mode Choke Coil SQ Common Mode Choke Inductor SQ Ferrite Core Common Mode Choke Square Core Common Mode Choke SQ EMI Filter Choke Q EMI Suppression Choke

Product Description

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Product Model: SQ1918 - High-Frequency Transformer

Features:

High Power Output:The SQ1918 offers high power output, making it suitable for electronic devices requiring higher power, such as industrial power systems, communication equipment, and more.
Wide Frequency Range:The SQ1918 has a wide frequency response range, ensuring excellent performance across various frequencies and making it suitable for multiple application scenarios.
Enhanced Electrical Performance:This transformer has excellent electrical performance, particularly in reducing electrical interference, ensuring system stability and safety.

Model Comparison Table

Test Condition:1KHz/0.3V AT(25℃)

Specifications and Electrical Characteristics

SQ1414 Horizontal

INF Code	Inductance	Wire Diameter	Turns	DC Resistance	Applicable Enameled Wire Diameter	Operating Current	Applicable Power
SQ1412H-30mH	30mH	0.1*1.0	60	260mΩ MAX	0.35	1.0～1.5A	45～135W

SQ1515 Horizontal

屏幕截图 2026-01-27 101836

SQ1918 Horizontal

SQ2018 Horizontal

Dimensions:[mm]

SQ1412,1515,1918,2018H_01

Customization & Procurement

Main Category	Subcategory	Details
MOQ	Prototyping & Small-batch	10 piece minimum order
	Sample Service	Free proofing & custom service, 5 free samples (shipping at buyer’s cost)
	Bulk Order	5,000 pieces and above with bulk pricing
Lead Time	All Standard Components	Shipped within 5–7 working days
	Custom Inductance / Pin Design (Sample)	Sample order confirmed within 5–7 working days
	Custom Inductance / Pin Design (Mass Order)	Shipped within 15–30 working days
Payment Terms	Main Payment Term	T/T in advance, L/C at sight
	Procurement Standard	Complies with global enterprise procurement standard for passive components
	Quality Deposit	No quality security deposit required
	Accepted Terms	FOB Shanghai / Nanjing / Hong Kong, T/T Advance
Quality Assurance	Manufacturing Defects	Free replacement for issues caused by manufacturing defects
Quality Assurance	Inspection Report	Batch inspection reports available as certification upon customer request
Packaging Specifications	Updated Packaging (2026)	Blister tray packaging; Sealed Tape & Reel for SMD products
Packaging Specifications	Optional Packaging	Vacuum sealed packaging for customers with strict moisture-proof requirements