1.5KE47A

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1.5KE47A is a unidirectional TVS (Transient Voltage Suppressor) diode for high-speed ESD (Electro-Static Discharge) protection. It is designed to protect voltage sensitive components from ESD events of up to 25kV (Human Body Model).

This TVS diode is housed in plastic packages which are designed to dissipate large amounts of power and are suitable for surface mount applications. The 1.5KE47A has an ultra low capacitance, which makes it suitable for high speed data lines.

1.5KE47A application field and working principle

1.5KE47A is designed to protect signal lines, such as those found in communications systems and digital systems. It is commonly used in consumer electronics such as video/audio systems, computer systems, automotive electronics, telecommunications, instrumentation, etc.

A 1.5KE47A TVS diode has two main functions. These are clamping and absorption. The diode provides a low impedance path for ESD to bypass sensitive components. It also acts as an energy absorber, absorbing transient energy and effectively dissipating it in the form of heat.

The 1.5KE47A diode has a breakdown voltage of 47V, and a reverse recovery time of 1.5ns. It is a low capacitance device, meaning that it is ideal for applications which require very low levels of signal distortion or attenuation. The 1.5KE47A also features very low time dependent dielectric breakdown (TDDB) and low leakage current, making it suitable for high speed data line ESD protection.

Due to its wide operating temperature range (–55 to +125°C), the 1.5KE47A TVS diode is suitable for use in a number of harsh environments such as automotive, medical, and aerospace applications.

In summary, the features of the 1.5KE47A make it an excellent choice for ESD protection in various applications which require low capacitance and ultra high-speed response time. Due to its low capacitance and wide operating temperature range, it is suitable for use in a variety of harsh environments as well.

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