JANTX1N4977DUS

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The JANTX1N4977DUS is a Zener diode designed by JEDEC. It is a single-device diode, with a voltage rating of 6.2 Volts and a power rating of 500 milliwatts.

The physical dimensions of the JANTX1N4977DUS are 2.05mm x 0.8mm, with a Typical Ir of 150 µA. Additionally, it has a maximum Junction Capacitance of 0.6 pF. With a maximum Zener Impedance of 3.4 KΩ at 5 mA, it is relatively simple to work with and highly reliable.

The primary applications of the JANTX1N4977DUS are in voltage stabilization, AC-DC power supplies, and voltage-clamping circuits. Its small physical size makes it ideal for space-constrained systems, such as portable electronics and wearable devices.

The working principle of the JANTX1N4977DUS relies on the Zener effect, wherein a reversed-biased diode is used to create an abrupt change in voltage when the applied voltage exceeds the Zener voltage. In the case of the JANTX1N4977DUS, it will begin to conduct in an avalanche mode, since the breakdown voltage is approximately 6.2V. The reverse current is then able to be limited over a wide voltage range due to the Zener effect.

Additionally, the JANTX1N4977DUS is designed and manufactured to be highly resistant to surges and transients, allowing it to effectively regulate or stabilize the output voltage. This ensures that the circuit is well-protected even during unexpected or extreme environmental conditions.

In conclusion, the JANTX1N4977DUS is a single-device Zener diode designed for voltage stabilization, AC-DC power supplies, and voltage-clamping circuits. It features a voltage rating of 6.2 Volts, a power rating of 500 milliwatts, and a maximum Zener Impedance of 3.4 KΩ at 5 mA. Additionally, it is highly reliable and resistant to surges and transients, making it suitable for protection of circuits from extreme environmental conditions.

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