PGB0040805NR

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Transil (Threshold Voltage Suppressing - Transient Voltage Suppressors) diodes, sometimes referred to as TVS diodes, offer an efficient and reliable protection for a wide range of applications, against the damages caused by voltage transients generated by electromagnetic disturbances. The PGB0040805NR is a unidirectional Transil diode commonly used in these applications.

The PGB0040805NR is specifically designed to protect electronic components from static electricity and electrostatic discharge (ESD). This diode comes in a DO-214AB package, which is small and easy to mount on circuits. It has a fast response time of 5-15ns, and it is rated for a peak power of 400W and 8kV for the common-mode and 2kV for the differential mode.

The PGB0040805NR is typically used for the protection of appliances, medical equipment, telecommunication equipment, and computer hardware. It is also used for motor drive, automotive, and industrial control applications. The PGB0040805NR is also suitable for telecom and power line interferences/surges in industrial, automotive and consumer electronic and audio/video equipment.

The working principle behind the PGB0040805NR diode is based on the transient voltage suppressor (TVS) technology. It works by providing a short-circuit path for the incoming transient, allowing it to be safely dissipated without damaging the host device. This is achieved by using two additional diodes connected in series in the opposite direction of the main diode. The two additional diodes will be forward biased when the voltage across the diode reaches the clamping voltage of the diode, effectively shorting the potential transient and dissipating it through the diode.

The PGB0040805NR also has an inbuilt protection circuitry which ensures that the device is not damaged due to sustained over-voltages, limiting current and thus protecting the surrounding components. The protection circuit is designed in such a way that the diode can be re-used multiple times after the transient has been dissipated.

In conclusion, the PGB0040805NR is an effective and reliable Transil diode for protecting appliances, medical equipment, telecommunication equipment, computer hardware, and other equipment against electrostatic discharges and voltage transients. Its fast response time and high peak power rating make it suitable for most electronic applications.

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