Allicdata Part #: | F2273-ND |
Manufacturer Part#: |
V22MA1A |
Price: | $ 0.23 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | VARISTOR 22V 40A SOD83A AXIAL |
More Detail: | 22V 40A Varistor 1 Circuit Through Hole SOD-83A Ax... |
DataSheet: | V22MA1A Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1500 +: | $ 0.21672 |
Varistor Voltage (Typ): | 22V |
Package / Case: | SOD-83A Axial |
Mounting Type: | Through Hole |
Operating Temperature: | -55°C ~ 85°C (TA) |
Capacitance @ Frequency: | 410pF @ 1MHz |
Number of Circuits: | 1 |
Energy: | 0.09J |
Current - Surge: | 40A |
Varistor Voltage (Max): | 28V |
Series: | MA |
Varistor Voltage (Min): | 16V |
Maximum DC Volts: | 15V |
Maximum AC Volts: | 10V |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
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V22MA1A Application Field and Working Principle
The V22MA1A is a bi-directional, metal oxide varistor (MOV), also known as a transient voltage surge suppressor (TVSS), that is typically used in high voltage surge protection applications. It is designed to protect sensitive electronics from high-voltage spikes, as well as provide protection against overvoltage and overcurrent. The V22MA1A is composed of two series connected components: a metal oxide varistor (MOV) and a transient voltage suppression diode (TVSS). The MOV is the primary component, providing surge protection, while the TVSS provides overvoltage and overcurrent protection.
The MOV is a device that limits transient voltage, allowing the current or voltage to be dissipated as heat. It is made up of two main components: a metal oxide film and a set of electrodes. The electrode contacts are usually formed from zinc oxide, although other materials such as tungsten or copper can be used. The electrodes are connected to an external circuit, allowing the MOV to be connected in series or parallel configurations.
When the MOV is connected to an alternating current (AC) power source, a large voltage spike is created. This is caused by the capacitance of the MOV. This results in current flowing through the MOV, which leads to the buildup of heat. This heat dissipates, limiting the current and protecting the circuit from over-voltage and over-current.
The transient voltage suppression diode (TVSS) works in a similar manner, but instead of dissipating the excess voltage as heat, it directs it to ground instead. This helps to prevent the circuit from being subjected to dangerous voltages. Additionally, the TVSS helps to filter out any noise generated by the MOV, allowing the circuit to remain unaffected by the surge protector.
In many high voltage surge protection applications, the V22MA1A is the device of choice. It is designed to provide both overvoltage and overcurrent protection, as well as immunity against transient voltages, all while taking up minimal space. It is an ideal solution for protecting sensitive equipment from high voltage surges.
The specific data is subject to PDF, and the above content is for reference
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