CL-120

Series:	CL
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
R @ 25°C:	10 Ohms
Tolerance:	±25%
Current - Steady State Max:	1.7A
R @ Current:	340 mOhms
Diameter:	0.4" (10.2mm)
Lead Spacing:	0.250" (6.35mm)
Approvals:	UL

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IntroductionInrush current limiters, or ICLs, are devices used to prevent electrical components from receiving too much power and becoming damaged by large, sudden currents. This is especially important in large buildings or factories that require powerful industrial electricity. One of the most popular ICLs is the CL-120. This device is used to maintain current limits in circuits, ensuring that equipment remains safe and unharmed.Description of the CL-120The CL-120 is a type of thermistor, a special device used to measure electrical resistance. It is made up of two parts: a positive thermal coefficient (PTC) thermistor and a negative temperature coefficient (NTC) thermistor. These thermistors work together to limit current in the circuit to a specific amount. It is small in size and can be replaced quickly if the need arises.Application Field of the CL-120The CL-120 is widely used in industrial settings, such as factories or industrial buildings. It is especially effective in low-voltage applications, such as those found in transformers or electronic appliances. It is also suitable for AC or DC power sources.The CL-120 is also used in other specialty applications, such as automotive power systems, where it can limit current in times of danger or high current load. It is also used in power conditioning equipment, where the CL-120 helps maintain optimal conditions.Working Principle of the CL-120When the CL-120 is connected to a circuit, it begins to sense the amount of current flowing through the circuit. This process is referred to as sampling. Once the CL-120 has detected the current, it will begin to act as a resistive barrier and limit the current to the pre-determined amount set by the user.The way in which the CL-120 is able to limit current is by using the principles of thermistor operation. The PTC element is a current interrupting device, and this allows for efficient current limiting. The NTC element works to reduce this current down to a more safe level.Advantages of the CL-120The CL-120 is a highly reliable device which is able to limit current from a variety of circuits with a wide range of output. It is also a cost-effective solution compared to other traditional current limiters, allowing for a faster return on investment.The device is also easy to maintain and does not require additional wiring or installation, as it is a plug and play device. This makes it much easier to install and use.ConclusionThe CL-120 is a reliable and cost-effective inrush current limiter used in a variety of industrial settings. It works by sensing current and then limiting it to a safe level, protecting equipment from being damaged by sudden and large amounts of current. This device is easy to install and maintain, providing a quick return on investment.

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