1N8158

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TVS (Transient Voltage Suppressor) diodes are devices that counteract the heat generated by current or voltage erosions. A 1N8158 device, specifically, is an effective and reliable way to protect circuits from over-voltage transients like static discharge, lightning, inductive switching, etc. It is designed to clamp and absorb excess voltages which help in maintaining the integrity of sensitive circuits.

The 1N8158 device consists of a power diode and a Zener diode series-connected together and housed in a single ceramic housing. The Zener diode provides robust breakdown voltage while the power diode acts as a clamp offering additional fault current protection. The ceramic packages of the device prevent the buildup of heat which could potentially lead to further damage.

The 1N8158 is a unidirectional device that blocks transients in one direction only and cannot be used to protect against bidirectional transients. The device is also stand-off voltage capable which means that it can survive a certain amount of voltage even without being activated. This stand-off voltage rating is also used to rate the reverse breakdown voltage of the device.

The working principle of the 1N8158 device is based on the principle that if a reverse voltage is applied across the device, the voltage is conducted through the Zener diode and discharged to the ground. This helps in protecting the system from excess reverse voltage. If, however, the reverse voltage is too high, then it will not be conducted through the Zener diode but instead through the power diode which helps in clamping the voltage.

The 1N8158 is ideal for protecting circuits from damaging overvoltage transients and is ideally suited for consumer electronics, automotive, telecom and other commercial and industrial applications. It is also widely used in consumer and communication products due to its wide transient suppression range and low forward VF.

The 1N8158 can be used for protecting systems against outside power disturbances such as spikes, surges and ESD. It can also be used for protecting sensitive electronics such as computers and data centers from damage due to transients. The device can also be used for suppressing high frequency transients such as inductive switching.

The 1N8158 is a versatile and reliable transient voltage suppressor diode that offers excellent protection from high voltage transients. Its wide operating temperature range, good surge capability and low clamping voltage make it an ideal device for reliable protection of sensitive electronics.

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