JANTX1N4990C

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The JANTX1N4990C is a single Zener diode, specifically a 5.6V 500mW type. It is characterized for a dynamic impedance of 1.5 ohms maximum at 5.6V and a zener impédance of 10 ohms maximum at 5.6V. It is a reliable, single-source semiconductor, designed to provide a stable voltage in many applications.

Applications

The JANTX1N4990C is suitable for a variety of applications, such as controlling sensitive circuits and stabilizing an operating voltage. This diode is ideal for securing the working voltage in LED panel displays and LED signs. It can also be used in many industrial and commercial applications, such as power supply systems and line-regulating circuits. In addition, it has applications in the automotive industry, including automotive instrumentation and on-board battery systems.

Working Principle

The JANTX1N4990C is a Zener diode. It works on the principle of a junction diode, which is connected in reverse bias. Due to the potential difference, the diode can conduct a reverse current, resulting in a Zener effect. This effect produces a stable voltage, regardless of any fluctuations in current or voltage. This is why the JANTX1N4990C is often used in order to stabilize circuit voltages in many commercial and industrial applications.

The diode adjusts the output voltage by working on its dynamic impedance. As the positive voltage increases, the dynamic impedance of the diode changes, causing it to reduce the current flow. This is executed while the Zener effect operates, keeping the output voltage constant. The JANTX1N4990C is designed to maintain a voltage of 5.6V with a dynamic impedance of 1.5 Ohms at this particular voltage.

Performance Specifications

The JANTX1N4990C has the following performance specifications:

• Reverse Voltage : 5.6V
• Dynamic impedance : Maximum 1.5 ohms
• Zener impedance : Maximum 10 ohms
• Power dissipation : 500mW

Packaging and Mounting

The JANTX1N4990C comes in a 11-pin dual in-line small plastic package (DIP). It also has two leaded options available – the TO-92 and the TO-202 packages. The diode is available in an array of standard sizes and ratings, ideal for low-power commercial, industrial and automotive applications. This diode is also hermetically sealed for minimum thermal resistance. The mounting options are available in both through-hole and surface-mount technology.

Analogues of JANTX1N4990C

The JANTX1N4990C has several analogues such as the Motorola MMBZ5246B, the NXP/Philips BZX55C5V6, the STMicroelectronics STPS7V6YT1 and the Vishay BLZ5V6 series devices. These can be used to secure the same working voltage in many applications.

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