SG302

Series:	SURGE-GARD™
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
R @ 25°C:	2 Ohms
Tolerance:	±15%
Current - Steady State Max:	18A
R @ Current:	30 mOhms
Diameter:	0.90" (22.86mm)
Lead Spacing:	0.310" (7.87mm)
Approvals:	CSA, UR

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Inrush Current Limiters (ICL): SG302 Application Field and Working Principle

Inrush current is a term used to describe the surge of electric current drawn by a device when it is first powered up. This surge can cause damage to components and circuits, and in some cases, can even result in an electrical fire. Inrush current limiters (ICLs) are devices designed to mitigate the effects of this current surge. SG302 is a type of ICL that is designed specifically for applications that require high capacity current limiting capabilities. In this article, we will discuss the application field and working principle of SG302.The SG302 is an economical and efficient ICL that has a wide range of applications. It is commonly used in power supplies, uninterruptible power supplies (UPS) , HVAC systems, pumps, motors, and other industrial equipments. The SG302 is constructed with a non-inductive winding which ensures that there is no core saturation during inrush current limiting. In addition, it has an electro-mechanical design with high efficiency which increases the life expectancy of the component.At the core of the SG302 is its working principle. When the device is initially powered up, the inrush current will start to rise. The ICL will then detect the current and begin to limit the surge current. This is done through a series of electromagnetic coils which limit the current and dissipate the energy back into the power supply. When the current reaches the target limiting level, the electromagnetic coils are turned off and the power supplies normal operation will resume.The SG302 is highly efficient and cost effective, making it an ideal solution for applications that require high current limiting capabilities. It is also robust and able to handle temperature and vibration extremes, making it suitable for harsh industrial settings. The device also carries a low failure rate and has a wide temperature range, making it extremely reliable and suitable for long-term usage.In conclusion, the SG302 is an economical and reliable ICL that has a wide range of applications. Its working principle is simple yet effective and it is highly efficient and cost effective. Furthermore, the device is robust and suitable for various harsh industrial settings. For these reasons, the SG302 is an ideal solution for applications that require high current limiting capabilities.

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