1N5258B-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	36V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	70 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 27V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Base Part Number:	1N5258

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Background on Diodes, Zener, and Single

Diodes are electrical components which perform a variety of tasks based on their type. They are used to allow current to flow in one direction while blocking it in the other. They can also be used to convert AC signals to DC signals. Zener diodes are a special type of diode that are designed to maintain a constant voltage across them, even when the current going through them changes. This voltage is usually called the zener voltage and its value is determined by the breakdown voltage of the diode. Zener diodes are generally used in electronic circuits where a constant voltage is required. Single diodes are a type of diode that contains only one junction. This can be either a single PN junction, or two junctions connected in series. Single diodes are used in many applications, such as rectification, voltage regulation, and voltage splitting.

1N5258B-TR Application Field

The 1N5258B-TR is a single Zener diode commonly used in electronic circuits. It has a maximum power rating of 500mW and a maximum reverse voltage of 30V. It is often used in voltage regulation and voltage reference circuits. It is also commonly used in switch-mode power supplies, particularly in circuits designed to protect electronic equipment from overvoltage events.

Working Principle of 1N5258B-TR

The 1N5258B-TR operates on the principle of Zener diode breakdown. It is designed to allow current to flow in only one direction and the Zener voltage is determined by the breakdown voltage of the diode. When the voltage across the diode exceeds its breakdown voltage, the diode starts to conduct electricity, allowing current to flow in the opposite direction. This effect is known as Zener breakdown and it is used in many electronic circuits, particularly applications that require a constant voltage. When used in a switch-mode power supply, the 1N5258B-TR is usually connected in series with other components and it operates in reverse bias, meaning that it blocks current in one direction (from the input side) while allowing current to flow in the other direction (into the output side). When the input voltage exceeds the breakdown voltage of the diode, it starts to conduct, allowing current to flow into the output side and protecting the electronic components from overvoltage events.

Conclusion

The 1N5258B-TR is a single Zener diode commonly used in voltage regulation and protection circuits. It operates on the principle of Zener diode breakdown, where the Zener voltage is determined by the breakdown voltage of the diode. When used in a switch-mode power supply, the 1N5258B-TR is connected in series with other components and it operates in reverse bias, allowing current to flow into the output side and protecting the electronic components from overvoltage events.

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