JANTX1N3313B

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The JANTX1N3313B is a single Zener diode in which the characteristics of the Zener breakdown region are utilized as a voltage reference. The Zener breakdown region of a Zener diode is a heavily doped p-n junction with a narrow peak in the reverse biased voltage-current curve. When a small reverse bias voltage is applied to the diode, the driving current is limited to a small value. However, as the reverse bias voltage increases, at a certain voltage the Zener breakdown region starts to conduct heavily and the voltage remains nearly constant over a large range of current. This phenomenon is known as Zener breakdown.

JANTX1N3313B uses a highly resistive back illumination and is typically used for voltage regulation and voltage reference in consumer electronics such as televisions, radios, and other audio and video equipment. It serves to provide a stable supply voltage and minimize power losses in the circuit. The device operates with a peak reverse voltage of 33V, a nominal Zener voltage of 13V, a maximum power dissipation of 250mW and a maximum DC forward current of 2A.

The working principle behind JANTX1N3313B is essentially that of a regular diode. When a small reverse voltage is applied across it, the diode behaves like a normal diode. However, when the applied reverse voltage increases to a certain level, the diode enters the Zener breakdown region and subsequently the current increases exponentially and the voltage remains nearly constant. This phenomenon is what makes Zener diodes so useful for voltage regulation and reference applications, as the voltage remains nearly constant even when the current changes.

In conclusion, the JANTX1N3313B is a single Zener diode used for voltage regulation and reference. It operates with a peak reverse voltage of 33V, a nominal Zener voltage of 13V, a maximum power dissipation of 250mW and a maximum DC forward current of 2A. It is commonly used in consumer electronics such as televisions, radios, and other audio and video equipment due to its ability to provide a stable supply voltage and minimize power losses in the circuit.

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