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TVS - Diodes

15KP40 Application Field and Working Principle

The 15KP40 is a popular TVS diode available in a standard do-41 package. It is specifically designed to provide over-voltage protection for sensitive electronic equipment.15KP40 diode provides a fast and reliable response at limiting voltages from 11V to 20V.

This TVS diode can be used in medium voltage circuits for protection of telecommunications and computer circuits, switching power supplies and other low energy circuits against voltage transient and ESD events. In particular, the 15KP40 is used in automotive control systems, automotive audio and video systems, factory automation systems, medical equipment, solar arrays and other electronic systems where component protection is required.

Like most other TVS diodes, the 15KP40 works by clamping the voltage transient when the applied voltage exceeds the specified operating conditions of the device. This is done by a zener-type breakdown process to reduce the voltage to a level safe for the device in question. The 15KP40 also provides protection against electrostatic discharge (ESD).

When an ESD event occurs, the 15KP40 limits the voltage spikes within a very short time. The current is drawn from the source until the voltage returns to its original level. The device\'s low power form factor enables it to draw very low current which effectively minimizes circuit interference.

The 15KP40 TVS diode utilises silicon avalanche technology to provide effective protection for sensitive electronic circuits. In addition to its robust design, it has excellent thermal stability. This makes it suitable for applications that require a high level of reliability, such as automotive controllers, electronic control units and airbag controllers.

In summary, the 15KP40 is an excellent TVS diode designed for providing robust protection to sensitive electronic circuits against surges, transients and ESD events. It utilises silicon avalanche technology, has an ultra-low profile form factor and excellent thermal stability.

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