BSPM1A75D100LVR

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TVS - Varistors, MOVsBSPM1A75D100LVR application field and working principle

Varistors, also known as Voltage Dependent Variable Resistors (VDRs), are semiconductor devices used for voltage regulation, energy absorption, or other functions such as decoupling or anti-noise. They are composed of layers of sintered zinc oxide grains which are connected in parallel and formed into a device. Different sizes, shapes and voltage ratings are available. The BSPM1A75D100LVR is a varistor with a standard package size of 7.5 x 10mm. It has a breakdown voltage of 75V and can withstand up to 10A of current.Varistors are also known as surge suppressors, or transient voltage suppressors (TVS), and are often used to protect sensitive electronic components from high voltage or current conditions. In most applications, varistors are placed in series with a load or device, so that the current flows through the varistor before it reaches the load. During a surge event, the varistor’s resistance decreases dramatically (becoming nearly zero), which causes it to absorb any excess current or voltage. Varistors therefore limit the magnitude of the surge, thereby protecting electric or electronic components from damage.The BSPM1A75D100LVR varistor is a popular choice for a wide range of applications. Its low capacity and wide operating temperature range make it suitable for a number of applications, including telecommunications, industrial control systems, computer equipment, automotive systems, and consumer electronics.Varistors perform their function through a phenomenon known as the “Gunn effect”, named after the physicist J. B. Gunn who discovered it. Gunn effect occurs when semiconductors are subjected to a voltage gradient that is much higher than the band gap voltage. This causes a large number of electron-hole pairs to be generated in the semiconductor material. The electrons and holes then move in opposite directions, resulting in a transient electric current in the material. The generated current is usually much higher than the original applied voltage, making the varistor absorb the large energy that causes the surge.The BSPM1A75D100LVR varistor can operate in a wide temperature range from -40°C to +120°C, and it has excellent electrical characteristics, high surge absorption efficiency and a low clamping voltage. It is also RoHS compliant and UL94-V0 qualified, making it a safe and reliable choice for a variety of applications. It is also cost effective and easy to install.The BSPM1A75D100LVR varistor is a reliable and cost-effective solution for protecting sensitive electronic components from voltage or current surges. With its wide operating temperature range, low capacity and excellent electrical characteristics, it is suitable for a range of applications, including telecommunications, industrial control systems, computer equipment, automotive systems, and consumer electronics. 

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