MA5KP90A

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A Transient Voltage Suppression diode (TVS) such as the MA5KP90A is a protective device designed to protect against destructive over-voltage transients, such as electric fields, electro-static discharge (ESD), lightning strikes, inductive loads, and other sources of energy. TVS Diodes protect a device from the damaging effects of electrical transients, ensuring that any detrimental high frequency events are sent to ground instead of through the circuit. The MA5KP90A is designed to provide protection to circuits against voltage transients induced by lightning and other transient voltage events.

The TVS diode has a working voltage range of 30-180 Volts, with a peak pulse power rating of 500W. The diode is reverse biased, allowing it to clamp the Voltage and dissipate current when the transient voltage exceeds the device’s breakdown voltage. As the transient voltage increases, the diode absorbs the energy of the transient, limiting the voltage and current that can pass through the circuit. The MA5KP90A is designed to work with a wide range of devices, including industrial automation, consumer electronics, automotive and telecommunication applications.

The MA5KP90A is a surface-mount diode, designed to be easily integrated into a circuit. The diode operates by sensing the voltage across the diode. When a voltage transient occurs, an avalanche breakdown will occur, allowing current to pass through the diode. The current is then limited to the “safe” level by the integral Zener-diode, and the energy of the transient dissipated to the ground. The integral, reverse-biased Zener diode allows the device to absorb the transient energy without affecting the operation of the circuit.

The TVS diode MA5KP90A offers excellent clamping performance with very low turn-on voltage and fast response time. It also provides ESD protection for high speed data lines, including USB and HDMI, and is available in a range of standard packages to suit a variety of applications.

In summary, the MA5KP90A Transient Voltage Suppression diode is a protective device designed to protect against destructive over-voltage transients. It operates by limiting the voltage and current that can pass through the circuit and dissipating the energy of the transient to the ground. The diode is reverse biased, and designed to provide ESD protection for high speed data lines. It is available in a range of standard packages and is suitable for a variety of applications, including industrial automation, consumer electronics, automotive and telecommunication applications.

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