JAN1N4619CUR-1

Series:	Military, MIL-PRF-19500/435
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3V
Tolerance:	±2%
Power - Max:	500mW
Impedance (Max) (Zzt):	1600 Ohms
Current - Reverse Leakage @ Vr:	400nA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AA (Glass)
Supplier Device Package:	DO-213AA

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Introduction

JAN1N4619CUR-1 is a single zener diode, which is a type of diode frequently used in both commercial and industrial applications. It is desirable to have a good knowledge of the applications and working principles of such diodes so as to ensure that they are properly utilized. This article will discuss the primary applications of JAN1N4619CUR-1 and also its working principle.

Applications

JAN1N4619CUR-1 is a popular choice for use in voltage regulation and voltage clamping circuits. It is a fast-response, low-leakage component with a relatively large maximum allowable power. It is able to function as a Zener diode and as a transient suppressor or clamping diode. The diode can be used to regulate voltage levels by connecting it in series with an AC input supply and load. This not only protects the load from overload, but also regulates the output voltage to a predetermined level, thus preventing voltage fluctuations. The JAN1N4619CUR-1 is also frequently used in power supply design, as it can protect against overvoltage and transients. Due to its fast response, it can provide protection for anything from low-power LEDs to high-powered power supplies.

Working Principle

The diode is constructed from two p-type and n-type materials that form a junction, with the p-type material being the anode and the n-type material being the cathode. When a positive potential is applied to the anode, current will flow in the forward direction, providing a low forward voltage drop. When a reverse voltage is applied to the diode, it will act in a manner similar to a low-valued resistor, limiting the current flow. This is known as the “Zener breakdown”, and it is a non-linear relationship between current and voltage. The minimum breakdown voltage is known as the Zener voltage.When connected in reverse, the Zener diode allows a current to flow until the Zener voltage is reached. Above this voltage the diode acts like a short circuit, preventing further voltage increase. This provides a constant voltage output to the load.

Conclusion

In conclusion, JAN1N4619CUR-1 is a single Zener diode with a wide range of applications. It is used in power supply design and voltage regulation as well as for transient protection. It functions as a low-valued resistor when placed in reverse, allowing current to flow up to its Zener voltage, at which point the flow is blocked.

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