Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	47V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	105 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 36V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 200°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Base Part Number:	1N5261

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Diodes - Zener - Single

The 1N5261B is a zener diode designed to effectively regulate voltage in a variety of applications. Zener diodes are important components in any circuit, as they enable engineers to create the desired output voltage regardless of the input voltage.

Applications

The 1N5261B has a 7.5V zener voltage and an energy rating of 500 mW. It is suitable for applications such as voltage regulation, over-voltage protection, and voltage reference. The 1N5261B is ideal for many power and vehicle electronic designs, as well as other applications that require stable voltages.The 1N5261B is also highly reliable, with a maximum DC power rating of 500mW, a maximum repetition rate of 30kHz, and a maximum DC current of 500mA. The 1N5261B also has an operating temperature range of -65°C to +125°C and storage temperature range of -65°C to +150°C.

Working Principle

The 1N5261B works by taking a relatively high input voltage and regulating it to the desired output voltage. This happens due to the principle of avalanche, which occurs when a given voltage surpasses a certain threshold in a semiconductor. The result is an influx of electric current, which takes the place of the former input voltage as the output voltage.This phenomenon is known as "zener breakdown", and it is the foundation of this diode\'s operation. The 1N5261B will allow electric current to flow in one direction while blocking it in the opposite direction. When it reaches the breakdown voltage, however, it starts to allow current in both directions. This current will effectively reduce the the input voltage and create the desired output voltage.The 1N5261B is also usually combined with other components such as resistors, capacitors, and inductors to form a linear power supply circuit. This combination increases the controllability of the zener diode, allowing engineers to accurately set the output voltage.

Overall

The 1N5261B is a zener diode that is used to regulate the voltage in various applications. It is ideal for power, vehicle electronics, and other designs that require a stable voltage. It works by a phenomenon known as "zener breakdown", where a given voltage surpasses a certain threshold in a semiconductor, resulting in an influx of electric current. This current reduces the input voltage, creating the desired output voltage. The 1N5261B is reliable and can be used in various configurations to ensure accuracy when setting the output voltage.

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