JANTX1N5543DUR-1

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The JANTX1N5543DUR-1 diode belongs to the Zener diode single category. It is a type of diode that contains a specially designed p-n junction, making it ideal for maintaining a specific reverse voltage level. This structure causes the Zener diode to operate in the breakdown region, which creates the ability to regulate voltage precisely.

The JANTX1N5543DUR-1 is a 3.6 Watt Zener diode that has a break down voltage ranging from 5.1V to 5.9V. It features an operating temperature ranging from - 55°C to +150°C, a surge current ranging from 100A to 2000A, and an incremental voltage between 0.2V and 0.5V. Aside from that, the JANTX1N5543DUR-1 is available in DO-35 packaging.

The main application of JANTX1N5543DUR-1 is voltage regulation. The device can be connected in series or parallel with the supply to regulate the output voltage. The diode is typically used in power supplies, circuit protection, precision voltage references, and over voltage protection. Furthermore, this Zener diode can be used for switching, voltage reference and surge protection in a circuit.

The working principle of the JANTX1N5543DUR-1 is based on the breakdown region of a conventional p-n junction diode. When the reverse bias voltage applied to the diode exceeds the specified zener breakdown voltage, a small region of the junction starts to avalanche. This phenomenon produces a large number of electron-hole pairs in the junction which results in a surge of reverse current. This reverse current is known as the Zener current, and this Zener current depends on the amount of voltage applied across the diode. This is why each Zener diode has its own unique breakdown voltage.When the reverse voltage applied to the diode exceeds the specified zener breakdown voltage, the current flowing through the diode increases greatly and this is what enables the voltage to be regulated precisely. The zener current is then used to regulate the voltage across the diode and thus, across the load. This method of regulation is what gives the JANTX1N5543DUR-1 its wide range of applications in power supplies, circuit protection, precision voltage references, and over voltage protection.

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