1N8161US

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TVS - Diodes

What is a Transient Voltage Suppression (TVS) diode? It is an electronic device widely used in applications to protect a circuit from voltage spikes such as might be caused by load dump, short circuit, electro-static discharge (ESD) or lightning strike. Instead of simply limiting the voltage or current, it actually dissipates the energy of the transient electrical event, thus limiting subsequent voltage and current and protecting the circuit.

A 1N8161US TVS diode is a type of high power bi-directional TVS diode, with 1500W peak pulse power dissipation and 10A peak pulse current handling capability. It also has an operating temperature range of -55°C to 175°C.

TVS diode applications are diverse, ranging from protecting automotive electronics against load dump, to protecting industrial equipment against lightning surges. 1N8161US TVS diode is specifically designed for automotive applications. It can be used in applications where high power transient suppression is needed, such as automotive ECU, TCM & indicator systems.

The 1N8161US diode works by conducting current away from the circuit when a transient electrical spike occurs. Since the power is dissipated, the transient voltage and current are limited and the circuit is protected. The diode also uses a movable bridge which diverts the spike in two opposite directions, thus increasing the dampening of the transient event.

The way in which the 1N8161US diode operates is very simple: when the voltage on either its anode or cathode exceeds its activation voltage, which is typically around 5.9V, the diode turns on and conducts the current away from the circuit, thus dissipating energy and canceling the spike. As soon as the voltage level decreases, the diode turns off and the circuit remains safe.

In conclusion, the 1N8161US diode is a highly reliable and efficient device for providing protection against voltage spikes in a wide range of automotive applications. It is robust and reliable, with a wide range of operational temperature, and it is a great choice for protecting against load dump, short circuit, ESD and lightning strikes.

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