B57235S0259M000

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
R @ 25°C:	2.5 Ohms
Tolerance:	±20%
Current - Steady State Max:	5.2A
Diameter:	0.374" (9.50mm)
Lead Spacing:	0.197" (5.00mm)
Approvals:	CQC, UL, VDE

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Introduction

Inrush current limiters (ICLs) are designed to reduce the inrush current of a given circuit. As the name suggests, they limit the amount of current that can flow into the circuit, usually by using a capacitor discharge mechanism. One particular type of ICL is the B57235S0259M000, which is a negative temperature coefficient (NTC) based device. This article will describe the application field and working principle of the B57235S0259M000.

Application Field

The B57235S0259M000 is designed for use in a wide variety of high-power applications, including photovoltaic (PV) power plants, off-grid PV systems, inverters, uninterruptible power supplies (UPSs), motor drives, electrical vehicles, and inductive loads. It is particularly useful for applications which require a large amount of inrush current at startup, such as high-voltage inverters and large motor loads.The B57235S0259M000 also offers a number of other advantages which make it suitable for a wide range of applications. It is a self-starting, non-inductive device which offers excellent long-term stability and reliability. It is also RTCA/DO-160G-compliant and provides over current/voltage protection. In addition, it has a wide operating temperature range and offers high surge current capabilities.

Working Principle

The B57235S0259M000 is a negative temperature coefficient (NTC) based device which limits the amount of inrush current allowed into a circuit. The device works by using a capacitor discharge mechanism which is designed to detect the presence of an inrush current and then limit the amount of current it can flow into the circuit.When the capacitor is first charged, it is connected to the incoming inrush current. The current then passes through the internal resistor, which is designed to reduce the incoming current. This reduced current then passes through the NTC thermistor, which is designed to limit the amount of current flowing through the circuit. If the current exceeds a predetermined level, the NTC thermistor will reduce its resistance and limit the amount of current flowing to the circuit.

Conclusion

The B57235S0259M000 is a negative temperature coefficient (NTC) based inrush current limiter. It is designed for use in a wide variety of high-power applications, including photovoltaic power plants, off-grid PV systems, inverters, and motor drives. Its capacitor discharge mechanism is designed to detect the presence of an inrush current and then limit the amount of current it can flow into the circuit by using a resistor and thermistor to reduce the incoming current. Overall, the B57235S0259M000 offers excellent long-term stability and reliability, and is suitable for a wide range of applications.

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