JANTX1N4987C

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Diodes, specifically Zener diodes, are exceedingly important for a wide array of electronic applications. Typically, Zener diodes are used along with resistors to create a constant voltage power rail or to protect components from excessive electrical voltages. The JANTX1N4987C is a general purpose Zener diode designed for power protection and voltage regulation applications. This diode manages a wide range of voltages and is available in both leaded and surface mount packages. In this article, we’ll explore the application field and working principle of the JANTX1N4987C.

Overview of the JANTX1N4987C Diode

The JANTX1N4987C is a low power Zener diode produced by the US-based manufacturer Raytheon Technologies. This diode is a common choice for electrical protection, voltage regulation, and current-related applications. It is capable of managing a wide range of voltages, from 12 V to 75 V. Its maximum power dissipation is 500 miliwatts, which makes it well-suited for low-power applications.

The JANTX1N4987C is available in two package configurations. The leaded package features anodized aluminum ends and is available in two sizes. The surface mount version is a small, flat package with a gold-plated copper contact. Both the leaded and surface mount versions have been designed for superior electrical and thermal performance.

Application Field

The JANTX1N4987C diode is widely used in a variety of applications. It is particularly well-suited for use with low-power circuits, such as those commonly found in automotive, communications, consumer, and industrial electronics. Some of the most common applications for the JANTX1N4987C include:

• Power protection applications, such as voltage regulation and overvoltage protection.
• Communication circuits, to provide voltage regulation and protect from interference.
• Electronic toys, to protect from electrical overvoltage.
• Automotive circuits, for safeguarding against incorrect wiring.
• Industrial circuits, to protect sensitive components from power overloads.

The JANTX1N4987C is also used in products such as power supplies, switching power supplies, telecom equipment, and battery-operated devices. In each case, the diode offers superior performance and long-term reliability when compared to other Zener diodes.

Working Principle

The JANTX1N4987C Zener diode operates on the same principle as most conventional Zener diodes. A Zener diode is made up of two sections – an anode and a cathode. The anode is connected to the positive terminal of a power source, while the cathode is connected to the negative terminal.

When a voltage is applied to the diode, current flows from the anode to the cathode, as with a standard diode. However, when the voltage reaches a certain level, known as the Zener voltage, the diode behaves differently. At this point, the Zener diode will begin to allow current to flow in both directions, rather than just from anode to cathode. This is known as “Zener breakdown”, and it allows the diode to maintain a constant voltage across the terminals.

This property makes the JANTX1N4987C diode ideal for applications that require a controlled voltage output, such as voltage regulation and power protection. The diode can be used in series with a resistor to create a voltage regulator, or in parallel with a resistor to create a surge protector. In either case, the diode will ensure that the power output is consistent and reliable.

Conclusion

The JANTX1N4987C diode is a popular choice for a wide variety of electronic applications. It offers superior performance and reliability, making it an excellent choice for power protection, voltage regulation, and current-related tasks. It is available in both leaded and surface mount packages, ensuring that it can be used in almost any application. With its wide range of applications and reliable performance, the JANTX1N4987C is an ideal choice for any electronic design project.

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