1N8147 Allicdata Electronics
Allicdata Part #:

1N8147-ND

Manufacturer Part#:

1N8147

Price: $ 15.09
Product Category:

Circuit Protection

Manufacturer: Microsemi Corporation
Short Description: TVS DIODE
More Detail: N/A
DataSheet: 1N8147 datasheet1N8147 Datasheet/PDF
Quantity: 1000
100 +: $ 13.72310
Stock 1000Can Ship Immediately
$ 15.09
Specifications
Series: *
Part Status: Active
RoHS Status: RoHS non-compliant
Description

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TVS (Transient Voltage Suppressor) Diodes, also known as Transient Voltage Suppressors (TVS), are components designed to provide protection in electrical environments for devices, boards, and other components against voltage transients created by electrostatic discharge (ESD). The 1N8147 device is a diode designed for overvoltage protection and has a variety of applications.

Applications

The 1N8147 is mainly used for ESD protection and to guard against transients and surges on equipment and components. It is designed for high-frequency signal and power applications, for example, Telephone & Ethernet lines, High-speed data lines, automotive & avionic systems, and Server Interconnects. It has a very low capacitance of approx. 0.25pf and a low clamping voltage, making it ideal for markets where low capacitance is required.

Working Principle

When an unprotected device is subjected to an ESD event, it can cause permanent damage. The 1N8147 protects the device by creating an internal shunt path for the ESD current. A schematic diagram of the 1N8147 and its protection function is shown below.

The 1N8147 works on the principle that when an ESD discharge occurs, the TVS shortens the current across the device, leading to a voltage drop as the excess current is shunted. Thus, the voltage is prevented from rising higher than the clamping voltage, thereby providing the protection.

The 1N8147 device also has a stand-off voltage, which is the maximum voltage that can be applied across it without turning on. This ensures that the device remains in a non-conducting state for voltages up to the rated stand-off voltage. When the voltage applied across the device exceeds the stand-off voltage, the diode begins to conduct allowing the voltage to drop to the clamping voltage.

Conclusion

The 1N8147 TVS diode is a popular device used for overvoltage protection and is widely used in a variety of applications. It is designed to protect devices and components from transients and to reduce damages caused by ESD discharge. The 1N8147 works on the principle that when an ESD discharge occurs, the TVS shortens the current across the device leading to a voltage drop as the excess current is shunted. Additionally, it has a stand-off voltage, which is the maximum voltage that can be applied across it without turning on. This ensures that the device remains in a non-conducting state for voltages up to the rated stand-off voltage.

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

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1N8148 Microsemi Co... 15.09 $ 1000 TVS DIODE
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