MX1N8151 Circuit Protection

Series:	*
Part Status:	Active
RoHS Status:	RoHS non-compliant

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TVS - Diodes

The MX1N8151 is one of the most widely used Transient Voltage Suppressor (TVS) diodes, specially designed for the protection of components from transient voltages. This type of diode uses a reverse breakdown voltage and can be easily placed in circuit boards to absorb the voltage spikes generated in different parts of the circuit board.

Application Field

The MX1N8151 is used mainly in automotive, consumer electronics, industrial and telecom applications that require high performance and protection against Transient Voltage. The diode is also suitable for applications with low resistance and can be placed in the circuit boards to protect different components from the voltage spikes (voltage spikes generated in different parts of the circuit board).

Working Principle

The MX1N8151 works on the principle of avalanche breakdown. This is a phenomenon that occurs when an electric field of sufficiently high strength is applied across the junction of two materials with different electric potentials. In this case, the reverse breakdown voltage of the diode is the voltage that is applied across the two material junctions.When a current passes through the diode, it creates a voltage drop across it. This voltage drop is calculated from the diode’s forward voltage, multiplied by the diode’s reverse current. The reverse current is known as the diode\'s voltage threshold or avalanche breakdown voltage.When the reverse voltage applied to the diode equals this avalanche breakdown voltage, the current will pass through the diode without further increase. This allows the voltage applied to the diode to increase, and the current passing through the diode will also increase, resulting in a current surge known as an avalanche.The avalanche causes the diode to absorb the excess voltage, and in doing so, it limits the amount of voltage that can be passed through the diode. As the avalanche current passes through the diode, a voltage drop is created across it, which limits the amount of voltage that can be passed through the diode, thus protecting it from damage.

Conclusion

The MX1N8151 is a versatile Transient Voltage Suppressor (TVS) diode, designed to provide high performance and protection against transient voltages. It is an ideal choice for use in a wide range of applications in automotive, consumer electronics, industrial and telecom markets, as it can easily handle any voltage spike and protect the components from damage. Its avalanche breakdown principle allows it to absorb the excess voltage, and in doing so, it limits the amount of voltage that can pass through the diode, thus providing superior protection.

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