1N5385BE3/TR13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	170V
Tolerance:	±5%
Power - Max:	5W
Impedance (Max) (Zzt):	380 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 122V
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:	1N5385

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Introduction

1N5385BE3/TR13 is a Zener Diode from ON Semiconductor. This device is used to regulate voltage within a circuit, by providing a consistent voltage despite changes in load or current. This device is an ideal choice for situations in which precision voltage regulation is important.

Application Field

1N5385BE3/TR13 is used in two main applications. The first is to protect other components and devices in a circuit from high voltage transients, or sudden spikes in voltage. This device can absorb and carry that excess voltage, ensuring that other components are not damaged.The second application is in voltage reference designs, in which a predetermined voltage is required over a range of conditions. This device is better suited for this application than other diodes, due to its ability to provide a more consistent voltage over time, and its lower power consumption than other types of diodes.

Working Principle

1N5385BE3/TR13 operates on the principle of Zener breakdown, a phenomenon discovered by Electronics Engineer and Physics Professor Clarence Zener in 1934. When a reverse voltage is applied to a diode above a certain threshold, current flows in the reverse direction, known as Zener current. This phenomenon occurs in many types of materials, including silicon and germanium, and is the basis of many devices including Zener diodes.When the voltage on the anode of the device exceeds a predetermined level, the Zener breakdown effect occurs, causing current to flow between the anode and cathode of the diode. This keeps the voltage on the anode at a constant level, no matter the load or current being passed through it. This allows the diode to be used to regulate voltage in a circuit, or to provide a reference voltage when used in a voltage reference circuit.

Conclusion

1N5385BE3/TR13 from ON Semiconductor is a Zener diode that can be used for a variety of applications. Its key advantage is its ability to provide a consistent voltage output despite changes in load and current. This device can be used in high voltage transient protection applications, or in voltage reference designs. It operates on the principle of Zener breakdown, which allows it to regulate voltage in a circuit. Overall, this device is an ideal choice for any application in which precise voltage regulation is needed.

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