1PGSMA4761HR3G

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Diodes - Zener - Single are semiconductor devices that provide electrical conduction in one direction while blocking current in the opposite direction. The 1PGSMA4761HR3G is a Zener diode with the convenient though-hole package format that comes with a reverse voltage of between 4.1 and 5.1V. The device is basest on the traditional Zener breakdown, meaning that the high reverse voltage allows electrons to be swept across the junction in a reverse current. This forms a depletion zone as electrons accumulate resulting in a breakdown.

Applications of the 1PGSMA4761HR3G vary depending on its use in the circuit. In high frequency applications, the device offers stability and high secure rectification from electromagnetic interference. On the other hand, it is also handy in low voltage environments where current and voltage regulation is required - the Zener breakdown occurs when the avalanche of electrons brought about by high applied voltage causes an increased current. Circuit voltage regulation is then achieved as the current is limited due to thermionic emission from the diode.

Aside from being used for voltage regulation and rectification, Zener diodes can also be employed for voltage monitoring. This is achieved by connecting the device in parallel to the circuit and setting the Zener breakdown’s applied voltage to the desired level. When the voltage exceeds the set standard, Zener breakdown provides a path for current flow which can in turn be detected and monitored by current-sensing devices.

In terms of its working principle, the 1PGSMA4761HR3G is unique among other component types as it is built upon the breakdown phenomenon. While the traditional breakdown is a destructive process, the Zener type relies on the fact that electrons travel between two points within the depletion layer created when the built-in reverse voltage is exceeded. This means that the transistor can operate well within its limits, and because of this the device has happily managed to survive for well over twenty years in the ever-competitive electronics market.

In summary, the 1PGSMA4761HR3G is a single Zener diode with a through-hole package format and a reverse voltage rating of between 4.1 and 5.1 V. The device is based on the traditional breakdown theory and it is used for a variety of applications such as high frequency rectification, voltage regulation and voltage monitoring. This device is unique in its working principle as it relies on the Zener breakdown phenomenon which is well within its safe operation limits.

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