1.5KE100A

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Transient Voltage Suppression (TVS) diodes are among the most popular components used in power systems today. These devices are used to protect sensitive electronic equipment from overvoltage transients. The 1.5KE100A is one of the most widely used TVS diodes in the market today. This article will discuss the application field and working principle of the 1.5KE100A.

The 1.5KE100A is a unidirectional diode with a fast response time. It is designed to protect exposed circuit elements against transient overvoltage events, such as ESD (electrostatic discharge). The device has a rated stand-off voltage of 100 volts and a peak power dissipation of 400W. The leakage current of the device is rated at 3.5 mA max at 25°C.

The 1.5KE100A is primarily used in applications where the AC and DC voltages can reach up to 100V. It is commonly used to protect circuitry from line transients, pull-up resistors, lightning strikes, and ESD pulses. It is also used in LED circuits, home appliance circuits, automotive circuits, and industrial equipment. Additionally, the device is used in a wide range of other applications including communication systems, electronic security systems, and automotive safety systems.

The working principle of the 1.5KE100A relies on the avalanche breakdown phenomenon. This is the process that occurs when a high current passes through the diode when enough voltage is applied. When the voltage increases above the device’s stand-off voltage, an avalanche breakdown occurs and the diode is able to clamp the voltage at its break down voltage level, thus protecting downstream circuitry from transient overvoltages.

The 1.5KE100A is designed with a low clamping voltage of below 13 V for 8/20μs surge pulses. This ensures that the device is able to clamp the voltage at low levels, and protect the downstream circuitry from overvoltage events. Additionally, the device features a fast response time and a low impedance that ensures maximum protection and minimal signal loss.

The 1.5KE100A is also designed to be highly reliable. It is constructed with an epoxy encapsulated aluminum package that is designed to protect against dust and moisture. Additionally, the device features a low capacitance, which helps minimize interference in downstream signals.

In conclusion, the 1.5KE100A is a versatile component that is used in a wide variety of applications. It is primarily used to protect circuitry from transient overvoltage events, such as ESD pulses, lightning strikes, and pull-up resistors. Additionally, the device features a low clamping voltage and fast response time that ensure maximum protection and minimal signal loss. Finally, the device is designed to be highly reliable and to protect against dust and moisture.

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