1N8157 Circuit Protection

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TVS diodes are increasingly being used to protect electronic components from voltage spikes. The 1N8157 is a type of TVS, which is specifically designed to protect circuits from transient voltage surges, often generated by lightning strikes or electrostatic discharge. This article will explore the application fields and working principles of the 1N8157.

The 1N8157 TVS diode is a two-terminal device that is designed to protect circuits against voltage spikes. It\'s a protector diode, and the maximum rated conduction voltage is 30 volts. The 1N8157 works by clamping the incoming voltage to the max rated conduction voltage, and its enforced clamping action limits the voltage across the component being protected.

This device is frequently used to protect circuits that are susceptible to external electrostatic influences. It is also suitable for applications such as telecom systems, consumer equipment, military systems, automotive electronics, and industrial control systems. This type of TVS diode can also be used to protect equipment from damage caused by lightning and electrical noise.

When it comes to its working principle, the 1N8157 works by clamping incoming voltage to a set conduction voltage. This helps protect the circuit from a voltage surge, and provides improved protection from electrostatic discharges and electrostatic interference. It also provides the same level of effective protection against voltage spikes generated by lightning.

The 1N8157 provides a maximum peak pulse power dissipation of 100 watts, and it is able to handle up to 40A of current. It can also withstand repetitive surge currents up to 15A. The device\'s response time is also very quick, with a maximum response time of 1 nanosecond.

The 1N8157 TVS diode is typically available with either 8mm or 10mm lead lengths. It is designed to be exposed to the environment and its design makes it suitable for printed-circuit-board (PCB) mounting. It is constructed with an external epoxy case, which helps prevent reverse latch in between two surge pulses.

In summary, the 1N8157 is a two-terminal device that is specifically designed to protect circuits from transient voltage surges, often generated by lightning strikes or electrostatic discharge. Its clamping action allows it to provide effective protection from incoming voltage spikes. It is suitable for a wide range of applications, and is able to handle high currents and withstand repetitive surge currents. The device also has a fast response time, which makes it suitable for a wide range of applications. Finally, it has an external epoxy case that helps prevent reverse latch in between two surge pulses.

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