V250LA40CPX10

Series:	C-III
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	250V
Varistor Voltage (Min):	351V
Varistor Voltage (Typ):	390V
Varistor Voltage (Max):	429V
Current - Surge:	10kA
Energy:	300J
Number of Circuits:	1
Capacitance @ Frequency:	7000pF @ 1MHz
Operating Temperature:	-55°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	Disc 20mm

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IntroductionTVS – Varistors, MOVs, is a key element in today’s electronic systems and provides improved ESD protection for an electronic system. The V250LA40CPX10, produced by Littelfuse, is an excellent example of such components.Application Field of V250LA40CPX10The V250LA40CPX10 provides excellent overvoltage protection in various applications because of low clamping voltage offering. It could be used in multiple applications where ESD protection is necessary. The V250LA40CPX10 can be used as a protection component in voltage or high-speed interfaces such as USB 2.0, USB 3.0, HDMI, DisplayPort, UART, Ethernet, and in end products like modems, routers, consumer electronics, etc. Its multi-direction without external components makes it easy to use.Another key application of V250LA40CPX10 is its use in automotive electronics such as ECUs and TCUs. It can also be used in industrial applications like HVAC control systems due to its low capacitance design.Working Principle of V250LA40CPX10The working principle of V250LA40CPX10 is simple. When the voltage level on any of the two connected lines exceeds a certain threshold level, V250LA40CPX10 will conduct the current. This acts as a clamp to protect the system from overvoltage.The low clamping voltage offers an excellent overvoltage protection. Moreover, the device has a fast response time allowing it to quickly limit any overvoltage conditions to a safe level.The device is made with a ceramic core and is encapsulated in a glass sealant making it very reliable and robust compared to other similar solutions.ConclusionIn conclusion, the V250LA40CPX10, manufactured by Littelfuse, is an excellent component for providing over voltage protection. It offers multiple applications ranging from USB 2.0, USB 3.0, HDMI, DisplayPort, UART, Ethernet to industrial and automotive electronics. The device operates based on the simple principle of voltage clamping and is reliable and robust.

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