AS32 2R025

Series:	AS
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
R @ 25°C:	2 Ohms
Tolerance:	±25%
Current - Steady State Max:	25A
R @ Current:	18.5 mOhms
Diameter:	1.18" (30mm)
Lead Spacing:	0.673" (17.10mm)
Approvals:	CSA

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Introduction to Inrush Current Limiters (ICL)

Inrush Current Limiters (ICL) are an important component in industrial and consumer applications, as they serve the purpose of controlling electrical current spikes. The spike in current is caused by different factors like momentary short in supply, AC line disturbance, load short circuit, and so on. Inrush current limiters are used to prevent or reduce these current spikes and provide steady current.

AS32 2R025 Application Field and Working Principle

The AS32 2R025 is a high-performance inrush current limiter (ICL) designed to limit the current surge to a safe level during the start-up of electrical or electronic equipment. This device is an ideal solution for the protection of power circuits from damage that can be caused by current spikes due to inrush current. The AS32 2R025 is constructed using two separate components; a NTC thermistor and a metal oxide varistor (MOV). The NTC thermistor helps to reduce the inrush current while the MOV provides the necessary protection against over-voltage.

The working principle of the AS32 2R025 is quite simple. During a start-up, the inrush current is detected by the ICL, which then helps the device to limit the inrush current to a safe level. This is done by using the NTC thermistor that acts as a resistor that increases its resistance as the temperature rises. This is due to the fact that the resistance decreases as the temperature rises. As the temperature rises, the NTC thermistor will limit the amount of current flowing through the circuit, thus providing a safe current level. Additionally, the MOV helps to further absorb any abnormal voltage at the start-up by providing quick varistor action. This helps to reduce the damage caused by the over-voltage.

The AS32 2R025 can be used in a variety of applications, including automotive, industrial, and consumer applications. In the automotive industry, the ICL is used to protect the circuits from electrical surges due to the sudden start of the vehicle engine. In industrial applications, it is used to regulate the power supply to the industrial machinery, thus providing a steady and safe current. Similarly, in consumer applications, the ICL is used to protect the circuitry from sudden power spikes, providing a consistent current flow.

Conclusion

In conclusion, the AS32 2R025 is an essential component for many industrial and consumer applications. Its functionality is based on the simple principle of controlling electrical current spiking due to sudden power start-up. The NTC thermistor helps to reduce the inrush current while the MOV acts as a safety absorbent for any over-voltage. The AS32 2R025 is increasingly being used in a variety of industries, including automotive, industrial, and consumer applications, due to its reliable operation and efficient current regulation.

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