BSPM1A75D100LV

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TVS (Transient Voltage Suppressor) devices are used to provide protection for electronic circuitry from destructive transients caused by ESD (electro-static discharge), over-voltage, etc. Varistors, MOVs (Metal Oxide Varistors) and BSPM1A75D100LV are the main types of TVS devices used in these applications. In this article, we will discuss the application field and working principle of BSPM1A75D100LV.

BSPM1A75D100LV is a surface mount diode based Varistor (Varistor devices are basically non-linear, voltage dependent, Metal Oxide (MO) type resistors). It is used for clamping or snubbering the surge voltage on a given line or circuit. It is used in various applications that require robust surge protection such as automotive infotainment and telecommunication equipment, various consumer and medical electronic devices, etc.

The working principle of BSPM1A75D100LV is based on its unique characteristic of exhibiting non-linear resistance to voltage. When a voltage greater than the ‘clamping voltage’ is applied across the device, the resistance of the device increases exponentially. This results in greatly reduced current through the device. The clamping voltage of the BSPM1A75D100LV device is 70V.

The BSPM1A75D100LV device is designed in such a way that it works as a ‘voltage clamping’ device. When the voltage across the device is lower than the specified clamping voltage, the device is virtually inactive and the current bypasses the device. When a voltage greater than the threshold (clamping) voltage is applied across the device, the resistance of the device increases quickly, drastically reducing the current flowing through it.

The BSPM1A75D100LV device has a built-in temperature sensor which is used to detect temperature rises inside the device due to high current. When the temperature rises above a certain level, the device will switch into a \'voltage clamping’ mode in order to reduce the current and prevent damage to the device.

The BSPM1A75D100LV device is ideal for protection against Transient Voltages and therefore is used in applications such as automotive electronics, consumer electronics, medical electronics, and industrial electronics. It has very low capacitance so it does not disturb the high frequency signal travelling through the circuit.

In conclusion, the BSPM1A75D100LV is an ideal TVS device for a wide range of applications due to its excellent voltage clamping, low capacitance and temperature sensing capabilities. It is used to provide protection against Transient Voltages and can be used in many different types of circuits and devices, ranging from automotive to medical.

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