JANTXV1N4626UR-1

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Diodes are semiconductor components that can allow electric current to flow in one direction, and block current in the opposite direction. Zener diodes are a subclass of diodes that allow current to flow in the reverse direction, not blocking the current, until the zener voltage is reached, whereupon the diode current clips the obtained voltage to the zener voltage. This feature allows a zener diode to provide a constant voltage regardless of the current drawn by a connected load. As such, zener diodes are often used as voltage regulators, and for noise elimination.

JANTXV1N4626UR-1 is a single, low power zener diode from ON Semiconductor. It is designed to provide temperature-stabilized voltage regulation with minimum variations by means of an equivalent circuit consisting of a temperature compensating network and a pair of series diodes for temperature compensation. The recommended applications for the JANTXV1N4626UR-1 include use in voltage regulator circuits, low voltage voltage reference circuits, and automotive electronics, among others.

The maximum power rating of the JANTXV1N4626UR-1 is 0.125 Watts and the maximum reverse power dissipation of the diode is 0.175 Watts. It has an average forward current of 5 mA, a forward voltage of 0.7V (max), a maximum reverse current of 10 mA at 5V, and operates over a temperature range of -65°C to 175°C (-85°F to 350°F).

The JANTXV1N4626UR-1 zener diode is constructed with a junction made up of silver and gold substrates, with a gold layer between them, yielding a low temperature coefficient and enhanced temperature stability. It features an operating voltage range of 3.3V-6.2V with tight voltage tolerances of 5% at 3V and 3% at 4.7V, making it ideal for systems requiring tight voltage regulation over temperature variations.

The typical impedance of the JANTXV1N4626UR-1 at 3V is 8 ohms, and at 4.7V, it is 6 ohms. The diode also has a minimum impedance of 0.60 ohms at 4V and 0.75 ohms at 5V. Additionally, the diode features a maximum peak surge current that is 12 times the nominal current; a maximum peak surge power of 144mW and a maximum peak pulse power for 1ms of 540mW.

The basic working principle of the JANTXV1N4626UR-1 is that when the power is applied and the voltage approaches the zener voltage, the current will begin to rise exponentially as the diode’s impedance decreases. This provides a constant voltage level to the load, regardless of load current variation.

In summary, the JANTXV1N4626UR-1 diode is a low power zener diode with a temperature compensated junction substrate. It operates over a voltage range of 3.3V-6.2V with a tight voltage tolerance of 5%-3%, and has a peak current rating of 12x and a maximum peak pulse power of 540mW. The diode has a suitable frequency response and a low temperature coefficient, making it suitable for temperature regulated voltage applications and noise elimination.

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