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Frame Core Chokes SQ2018 Vertical Series

Frame Core Chokes SQ2118/2418/2820/2025 Vertical

Typical Application Scenarios
New Energy Systems
DC-AC isolation transformers for photovoltaic inverters (1kW string-type design).
LLC resonant conversion modules for electric vehicle on-board chargers (OBC).

Industrial Power Supplies
High-voltage power supplies (800V - 1500V DC) for industrial lasers and plasma cutters.
DC-Link energy storage inductors for servo drives, ensuring stable performance in current transformers and high-frequency transformers.

Communications and Data Centers
48V→12V POL power modules for 5G base stations.
Isolated DC-DC converters for server redundant power supplies, ensuring reliable energy conversion in current transformers and high-frequency transformers.

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Model:
SQ2118/2418/2820/2025 Vertical
Brand:
INF

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Product Description

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Product Model: SQ2418 - High-Frequency Transformer

Features:

High Load Capability:The SQ2418 transformer has a strong load capability, capable of handling high current and power, making it ideal for high-demand industrial equipment and power systems.
Excellent Thermal Control Performance:The transformer features excellent heat dissipation and thermal control capabilities, ensuring stable operation in high-temperature environments, maintaining the equipment's safety and efficiency.
Multi-Functional Applications:The SQ2418 is widely used in power supply systems, communications, audio, industrial automation, and other applications that require high power and stability.

Model Comparison Table

Test Condition:1KHz/0.3V AT(25℃)

Specifications and Electrical Characteristics

SQ2118 Vertical

INF Code	Inductance	Wire Diameter	Turns	DC Resistance	Application Enameled Wire	Operating Current	Applicable Power
SQ2118-7mH	7mH	0.3*1.5	37	80mΩ MAX	0.75	3.15～4.05A	150～360W
SQ2118-12mH	12mH	0.25*1.5	42	100mΩ MAX	0.57	2.62～3.75A	150～340W
SQ2118-12mH	12mH	0.25*1.2	45	100mΩ MAX	0.62	2.4～3.6A	150～320W
SQ2118-18mH	18mH	0.2*1.5	53	120mΩ MAX	0.62	2.4～3.6A	150～320W
SQ2118-20mH	20mH	0.18*1.0	58	180mΩ MAX	0.50	1.44～2.16A	150~200W