B57237S259M53

Series:	S237
Packaging:	Reel
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
R @ 25°C:	2.5 Ohms
Tolerance:	±20%
Current - Steady State Max:	6.5A
R @ Current:	74 mOhms
Diameter:	0.6" (15mm)
Lead Spacing:	0.295" (7.50mm)
Approvals:	UL

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Introduction: Inrush Current Limiters (ICLs) are a type of electric temperature protection device. They prevent possible damages to electrical components that arise from inrush current, which is a sudden large surge of current at the time of device power up, such as motor start or other equipment. By limiting the inrush current, the ICLs protect the electrical components from damage that may lead to equipment failure or fire. B57237S259M53 is an example of an ICL.Application Field: B57237S259M53 ICLs are suitable for many applications. Examples include providing surge protection for motors, pumps, compressors, desktop PCs, HVAC systems, lights and many other electrical equipment. They can be used in a variety of environments, such as automotive, medical and industrial.Working Principle: B57237S259M53 ICLs work by preventing large current surges, or inrush currents, as mentioned above. When a power on signal is received, the ICL will limit the flow of current for a specific amount of time. This allows the equipment to slowly adjust to the new environment, instead of having a sudden surge of current that can lead to damage. After the allotted time period, the ICL opens the circuit and allows the normal amount of current to flow.Design: B57237S259M53 ICLs are comprised of thermal fuses, current transformers and resistors. The current transformers are designed to sense any surges in inrush current, and act to slow down the inrush current. The thermal fuses are incorporated to act as a safety feature to prevent any further damage. Finally, the resistors are incorporated to ensure that the current is limited to a safe amount when the ICL is activated.Key Features: B57237S259M53 ICLs offer a variety of key features that make them well suited for many applications. These features include a low initial leakage current, low power consumption, wide operating temperature range and high surge ratings. The low initial leakage current ensures that no additional current is drawn when the device is not operational. The low power consumption also allows for prolonged usage with minimal impact on power consumption. The wide operating temperature range allows for operation in both cold and hot environments and the high surge ratings provide effective protection against strong surges.Conclusion: Inrush Current Limiters (ICLs) such as the B57237S259M53 are essential elements in providing surge protection for sensitive electrical components. By limiting the inrush current, the ICLs protect the electrical components from damage that may lead to equipment failure or fire. B57237S259M53 ICLs offer a variety of key features such as low initial leakage current, low power consumption, wide operating temperature range and high surge ratings.

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