1N5387E3/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	190V
Tolerance:	±20%
Power - Max:	5W
Impedance (Max) (Zzt):	450 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 137V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	T-18, Axial
Supplier Device Package:	T-18
Base Part Number:	1N5387

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Diodes - Zener - Single

The 1N5387E3/TR8 is a type of diode that belongs to a family of voltage regulating diodes known as Zener diodes. These are special semiconductor devices that are designed to provide precise voltage regulation and stable current in a circuit. Zener diodes, including the 1N5387E3/TR8, are useful for a wide variety of applications, ranging from voltage and current regulation to signal switching.The 1N5387E3/TR8 is composed of a single junction, and is rated at 3.3V. It is capable of handling 200 mW of power in a T/R package and with a zener impedance of 5Ω. In order to ensure optimal performance and durability, the 1N5387E3/TR8 is designed with a hermetic seal and a maximum temperature of 125°C.The primary application for the 1N5387E3/TR8 is voltage and current regulation in circuits. It can, for example, be used to provide a regulated voltage supply for digital circuits. The Zener diode prevents the voltage from rising higher than the zener voltage, furthering the stability of the circuit. It\'s also used to protect circuits from high voltages and current surges.The working principle of a Zener diode is based on the unique properties of p-n junctions. A standard diode would typically allow current to flow in one direction, but a Zener diode is engineered to allow current to flow in both directions when the voltage reaches a certain threshold. This reverse current flow is what helps to regulate the amount of current and voltage in the circuit.When the voltage in the circuit increases, more current is able to travel through the diode. This increases the voltage drop across the diode, allowing the current to equalize throughout the circuit and maintain a consistent voltage level. This process is known as the “Zener effect,” and is the basis for the functionality of all Zener voltage regulating diodes.The 1N5387E3/TR8 is not just limited to these applications, however. It can also be used in linear and logic circuits, as well as a variety of other applications that require precise voltage regulation and current stabilization.In summary, the 1N5387E3/TR8 is a type of Zener diode designed for precise current and voltage regulation in a variety of circuits. It is a single junction diode that can handle up to 200 mW of power in a T/R package. It is hermetically sealed and rated for a maximum temperature of 125°C. It utilizes the Zener effect, which allows current to flow in both directions when the voltage reaches a certain threshold, to precisely regulate voltage levels in the circuit. This makes it ideal for a variety of applications, from voltage regulation to current stabilization.

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