SZ1SMB5918BT3G Allicdata Electronics
Allicdata Part #:

SZ1SMB5918BT3GOSTR-ND

Manufacturer Part#:

SZ1SMB5918BT3G

Price: $ 0.18
Product Category:

Discrete Semiconductor Products

Manufacturer: ON Semiconductor
Short Description: DIODE ZENER 5.1V 3W SMB
More Detail: Zener Diode 5.1V 3W ±5% Surface Mount SMB
DataSheet: SZ1SMB5918BT3G datasheetSZ1SMB5918BT3G Datasheet/PDF
Quantity: 1000
2500 +: $ 0.15826
5000 +: $ 0.14735
12500 +: $ 0.14553
Stock 1000Can Ship Immediately
$ 0.18
Specifications
Series: Automotive, AEC-Q101
Packaging: Tape & Reel (TR) 
Part Status: Active
Voltage - Zener (Nom) (Vz): 5.1V
Tolerance: ±5%
Power - Max: 3W
Impedance (Max) (Zzt): 4 Ohms
Current - Reverse Leakage @ Vr: 5µA @ 2V
Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
Operating Temperature: -65°C ~ 150°C
Mounting Type: Surface Mount
Package / Case: DO-214AA, SMB
Supplier Device Package: SMB
Base Part Number: 1SMB
Description

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Diodes - Zener - Single

The SZ1SMB5918BT3G is an example of a single zener diode. Such a diode has the capacity to hold a reverse voltage and then release it in the form of current flow when that voltage is exceeded. They are used in a variety of applications, such as voltage regulators, surge protection, and constant voltage sources.

Application Field

Zener diodes such as the SZ1SMB5918BT3G are widely used in a variety of industries and applications. In electrical power systems, they are used for overvoltage protection in power switching circuits and other high-voltage components. They can be used to provide a stable reference voltage for CMOS circuits, as well as for adjusting the voltage for battery-powered equipment such as cell phones and laptops. Additionally, zener diodes are used in RF applications as RF detectors, as well as in automotive systems for voltage regulation and as a reference voltage.

Working Principle

The SZ1SMB5918BT3G Zener Diode works on the principle of a breakdown voltage. That is to say, when a certain voltage is applied in the reverse direction, the semiconductor material in the diode breaks down and allows current to flow in the opposite direction. This creates a voltage drop, which can be used for voltage regulation. The breakdown voltage of the SZ1SMB5918BT3G is 18 V, which means that when 18 V is applied in the reverse direction, current will flow in the opposite direction.

The Zener diodes also have the capacity to limit current. This is due to their inherent resistance to the reverse current flow. As the current attempts to flow through the diode, the resistance increases and limits the amount of current. This property can be utilized to ensure that too much current does not flow through sensitive components. Furthermore, the reverse current can be used to create a constant reference voltage which can be used to power sensitive components.

Conclusion

The SZ1SMB5918BT3G Zener Diode is an example of a single zener diode, which is used in a variety of applications. It works on the principle of a breakdown voltage, with a breakdown voltage of 18 V, and it has the capacity to limit the current. This can be used for voltage and current regulation, as well as in reference voltage sources. As such, the SZ1SMB5918BT3G Zener Diode is an important component in many applications.

The specific data is subject to PDF, and the above content is for reference

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