SA22CAHR0G Circuit Protection

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SA22CAHR0G is a Transient Voltage Suppressor (TVS) diode, also known as a Transient Voltage Surge Suppressor (TVSS). The diode has been designed to limit the damage to electronic equipment resulting from transient voltage spikes, also known as electrical surges, that occur in power lines. It is typically used in telecommunication equipment, medical equipment, automotive applications and computing devices, to protect them from damage due to high-voltage spikes.

SA22CAHR0G features a breakdown or clamping voltage of 14.2 volts. This means that if a voltage spike exceeding 14.2 volts is applied, the diode will clamp, or limit, the voltage passing through it to below 14.2 volts. This helps to prevent damage to the equipment being protected. The diode also features a surge current rating of 22 amperes, which is the maximum amount of current the diode can safely pass through it before becoming damaged or destroyed.

The device is designed to work in two stages. In the first stage, the device begins to clamp the voltage once it reaches the breakdown voltage, limiting the voltage passing through it. In the second stage, the device dissipates the energy it has received, acting as a resistor and dissipating heat into the environment.

The device is made from a variety of materials including silicon, glass and metal. It is typically encapsulated in a hermetically sealed ceramic package, which prevents the device from corroding and is ideal for high-voltage applications. In some cases, the device may also be coated with a conductive epoxy, which can help to reduce electrical noise and static discharge. The device itself is designed to be mounted on a printed circuit board and is typically used in conjunction with other electronic components.

As with all TVS devices, SA22CAHR0G is designed to prevent damage to equipment by clamping voltage beyond which it can safely handle. This helps to protect expensive equipment, and ensures that systems are not damaged or destroyed due to transient voltage spikes.

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