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Frame Core Chokes SQ1314 Vertical Series

Frame Core Chokes SQ1010 Horizontal Series

Frame Core Chokes SQ1412/1515/1918/2018 Vertical

Characteristics:
· Compact form factor with minimal leakage flux enabled by O-type SQ ferrite core design
· Low stray capacitance ensures effective wide-band noise attenuation
· Single-layer winding structure removes the risk of interlayer short circuits
· Excellent normal-mode noise suppression performance
· Winding process time reduced by up to 90%
· High inductance realized through proprietary ferrite formulation and advanced sintering technology

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:
· Available in bulk or tape-and-reel packaging options
· Inductance values, wire sizes, and winding designs can be customized
· Optional ferrite material selections to optimize performance
· SMD versions available on request

Quantity:
Availability:





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

Frame Core Chokes SQ1412/1515/1918/2018 Vertical 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 SQ EMI Suppression Choke

Product Description

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Product Model: SQ1515 - High-Frequency Transformer

Features:

Stable Power Output:The SQ1515 provides stable power output, making it ideal for high-frequency signal transmission and power management systems, ensuring efficient and stable power support.
Low Loss Design:With a low-loss design and materials, the SQ1515 minimizes energy wastage, enhancing the overall efficiency of the power conversion process.
High Durability:The SQ1515 is designed to be highly durable and can adapt to harsh environments, especially in applications requiring long-term high-load operation.

Model Comparison Table

Test Condition:1KHz/0.3V AT(25℃)

Specifications and Electrical Characteristics

SQ1412 Vertical

INF Code	Inductance	Wire Diameter	Turns	DC Resistance	Applicable Enameled Wire Diameter	Operating Current	Applicable Power
SQ1412V-30mH	30mH	0.1*1.0	60	260mΩ MAX	0.35	1.0～1.5A	45～135W

SQ1515 Vertical

屏幕截图 2026-01-27 101732

SQ1918 Vertical

SQ2018 Vertical

Dimensions:[mm]

SQ1412,1515,1918,2018V_01

SQ1412,1515,1918,2018V_02

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