V271CA40

Series:	CA
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	275V
Maximum DC Volts:	369V
Varistor Voltage (Min):	387V
Varistor Voltage (Typ):	430V
Varistor Voltage (Max):	473V
Current - Surge:	40kA
Energy:	400J
Number of Circuits:	1
Operating Temperature:	-55°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	Disc 40mm

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TVS - Varistors, MOVsVaristors, MOVs, and other TVS or transient voltage surge suppression devices are incredibly important components in many different electronics applications. They are designed to protect sensitive electronics from overvoltage surges and electrical transients, such as pulse-width modulation (PWM) associated with power supply failures or lightning strikes. One such device is the V271CA40, a metal oxide varistor (MOV) manufactured by Vishay Intertechnology. The V271CA40 has a variety of applications in electronics, from audio and industrial applications to automotive and communications systems. It is also capable of withstanding the enormous energy associated with ESD, or electrostatic discharge.In this article, we’ll provide an overview of the V271CA40 application field and its working principle. We’ll also explain why this device can be an invaluable addition to your design.The V271CA40 is a radial leaded MOV designed for a variety of industrial, consumer, automotive, and communications applications. Its two main features are its low clamping voltages and a high surge current. The device is capable of withstanding 18A of transients and surges with a peak current of 385A, while its +/- 5V of clamping voltage ensures reliable protection for sensitive circuits. Its small size of 18mm x 6.7mm allows it to fit in almost any application. It is also RoHS compliant and UL recognized. The V271CA40’s working principle is relatively simple, yet highly effective. It is made of zinc oxide, a widely known non-linear semiconductor material. The material acts as a variable resistor and is able to wildly vary its resistance depending on the amount of voltage applied. This means that once the voltage reaches a certain threshold, the resistance will significantly drop and the excess current will be diverted away from the protected circuitry. The V271CA40 is a particularly effective transient voltage surge suppressor because of its low clamping voltage and high surge current capabilities. Its ability to divert large amounts of transient energy away from the protected circuits helps to ensure their reliability and protect them from damage due to overvoltage conditions. It is also an ideal device for ESD protection as its high clamping voltage and low series resistance is capable of withstanding extremely high amounts of energy.Overall, the V271CA40 is an extremely versatile MOV designed for a variety of applications. Its low clamping voltage and high surge current capability make it an ideal choice for protecting sensitive electronics, while its small size allows it to fit into any design. Its reliability and durability have made it a popular choice for both industrial and consumer applications, including communications systems, automotive circuits, power supplies, and audio systems. Its simple working principle of diverting excess energy away from the protected circuits ensures safety and reliability. With its wide variety of features, the V271CA40 can be a valuable addition to any electronic design.

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