SL22 0R516

Series:	SL22
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
R @ 25°C:	500 mOhms
Tolerance:	±25%
Current - Steady State Max:	16A
R @ Current:	20 mOhms
Diameter:	0.866" (22mm)
Lead Spacing:	0.307" (7.80mm)
Approvals:	CSA

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Inrush current limiters, or ICLs, are self-regulating devices designed to control and limit the inrush current of a load at the time of initial power on. SL22 0R516 is a popular choice for many applications to mitigate damaging and unwanted inrush current.The SL22 0R516 is a practical ICL solution that is especially useful when used with capacitive and inductive loads such as those found in variable frequency drives (VFDs). This device differs from non-loss of life limiters, such as the standard thermal load switches, because it provides protection from over-temperature by controlling the rate and intensity of current flowing through it.An ICL is composed of three parts; a resistor chain, a capacitor bank, and switches. The resistor chain is responsible for buffering the initial high current flow from the power source, while the capacitor bank is responsible for storing energy until there is an adequate load to draw upon. Finally, the switches control the flow of current through the resistor chain and into the load.The SL22 0R516 ICL uses a unique three-way logic control. Upon application of power, the first switch is opened. As the current reaches a certain threshold it activates the second switch, which closes and shunts current to the resistor chain. Once enough current is flowing through the resistor chain, the third switch opens, allowing current to flow into the load.This process of inrush current limitation works by spreading the current demand over a longer period of time. This reduces the total amount of inrush current while naturally increasing the voltage. By limiting the rate of voltage rise, the surge in current can be contained to acceptable levels. In terms of components, the SL22 0R516 ICL has a special feature which is the inclusion of a diode. This diode helps to ensure that the capacitor bank does not flood the load by preventing the possibility of current reversal.As far as application fields, the SL22 0R516 ICL has been utilized in many different industries. It is highly applicable in programs that require energy-efficiency and have motors that need control and protection from inrush current. This device can be used in programs such as air conditioning, refrigeration, pumps, and HVAC systems.The SL22 0R516 ICL is considered a reliable solution for inrush current control and has been proven to reduce the risk of load damage. This device offers a variety of benefits that will ensure quick startup and protection for various types of loads.

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