Allicdata Part #: | 277-14920-ND |
Manufacturer Part#: |
2920447 |
Price: | $ 224.53 |
Product Category: | Circuit Protection |
Manufacturer: | Phoenix Contact |
Short Description: | VARISTOR MODULE |
More Detail: | Varistor Rail, Channel Module |
DataSheet: | 2920447 Datasheet/PDF |
Quantity: | 1 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 204.12000 |
10 +: | $ 187.79000 |
Series: | -- |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Energy: | -- |
Operating Temperature: | -40°C ~ 80°C (TA) |
Mounting Type: | Rail, Channel |
Package / Case: | Module |
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Transient Voltage Suppressors (TVS) are an essential component for reliable circuit protection in environments such as automotive, medical, industrial, and military. TVS devices provide protection from overvoltage events such as electrical transients, electrostatic discharge (ESD), and lightning strikes. They can also protect against low frequency power-related transients such as ripple voltage. TVS devices are used in a variety of applications where voltage protection is needed, such as overvoltage protection of signal lines, surges, and stability of electric components.
TVS devices generally fall into two major categories – Varistors (VOVs) and Metal-Oxide Varistors (MOVs). Varistors are typically made from piezoelectric ceramics and their mechanism of operation is based on changes in electrical capacitance. Varistors provide excellent surge protection across a wide range of frequencies and can be used in applications with high frequency transients or high voltage spikes. They can handle large currents, are compact, and usually can be soldered directly to the circuit board. MOVs, on the other hand, are made of zinc oxide and operate based on changes in resistance across a wide range of voltages. MOVs provide excellent protection against overvoltage events, but are more limited in terms of frequency response.
The 2920447 application field and working principle of TVS devices depend on the application. In some cases, the device may be used to protect critical circuits from voltage transients, while in other cases it may be used as a noise filter or transient suppressor in order to reduce EMI interference on a sensitive system. In any case, TVS devices must be sized and chosen correctly in order to provide adequate protection. The application regime, tolerance voltage, and overvoltage threshold must all be considered when selecting a device. In addition, the power condition of the circuit must also be taken into account in order to ensure adequate protection.
TVS devices provide reliable protection under extreme conditions, but their use is not without limitations. They can be damaged by excessive current or voltage, which can lead to failure of the device in extreme conditions. Additionally, some TVS devices are not suitable for high frequency transients or high voltage spikes due to their limited frequency response. Finally, proper sizing is essential in order to ensure adequate protection.
In conclusion, TVS devices are essential components for circuit protection in a variety of applications. They provide reliable protection from overvoltage events such as transients, ESD, and lightning strikes. Varistors (VOVs) and Metal-Oxide Varistors (MOVs) are both commonly used TVS devices, each offering unique benefits and drawbacks. The 2920447 application field and working principle of a TVS device depends on the specific application and must be chosen carefully based on the power condition, tolerance Voltage, and overvoltage threshold requirements.
The specific data is subject to PDF, and the above content is for reference
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