| Allicdata Part #: | V20E300L4B7-ND |
| Manufacturer Part#: |
V20E300L4B7 |
| Price: | $ 0.00 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | VARISTOR 470V 10KA DISC 20MM |
| More Detail: | 470V 10kA Varistor 1 Circuit Through Hole Disc 20m... |
| DataSheet: |  V20E300L4B7 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1 +: | 0.00000 |
Specifications
| Varistor Voltage (Typ): | 470V |
| Package / Case: | Disc 20mm |
| Mounting Type: | Through Hole |
| Operating Temperature: | -55°C ~ 85°C (TA) |
| Capacitance @ Frequency: | 800pF @ 1MHz |
| Number of Circuits: | 1 |
| Energy: | 250J |
| Current - Surge: | 10kA |
| Varistor Voltage (Max): | 517V |
| Series: | UltraMOV™ |
| Varistor Voltage (Min): | 423V |
| Maximum DC Volts: | 385V |
| Maximum AC Volts: | 300V |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Obsolete |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
Description
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TVS- Varistors, MOVs are a specially designed electrical component that have been designed to protect electrical circuits from high voltages. They are commonly used in electronics products, such as computers, for preventing damage to the components due to excessive voltage. The V20E300L4B7 is an example of a type of Varistor-MOV which is suitable for use in a wide range of applications.
Working Principle
Generally, Varistor-MOVs work on the principle of voltage dependent resistance, which simply means that the resistance of the component varies with the voltage that is applied. This resistance is called an interruptive resistance, which acts as a limiting element, controlling the voltage and current flowing through the component. So, as the voltage increases, this increases the resistance to that current, allowing it to dissipate as heat and preventing any further voltage from entering the circuit.
In the case of the V20E300L4B7, it has a maximum DC voltage rating of 300V and a nominal voltage rating of 240V. This means that it can handle a DC voltage spike of up to 300V, and will dissipate any voltage that is higher than the nominal voltage of 240V. The V20E300L4B7 also has a breakdown voltage of 250V and a maximum continuous current rating of 100A. This means that it is suitable for use in applications where a sudden high voltage spike is expected, such as in motor control circuits.
Applications
The V20E300L4B7 is particularly suitable for use in applications that involve motor control circuits or other circuits where high voltage spikes are expected. It is also suitable for use in surge protection applications, where its low breakdown voltage allows it to limit the voltage in the circuit. It is also ideal for use in power supplies, as its high current rating allows it to handle the relatively high currents encountered in these applications.Additionally, this type of Varistor-MOV is suitable for use in consumer applications as well, such as in smartphones, tablets, and other devices. As these products do not require the same level of current handling as larger electronic products, a smaller Varistor-MOV such as the V20E300L4B7 is often used in these applications.Finally, the V20E300L4B7 can also be used in automotive applications, such as in ignition systems, fuel pumps, and other automotive circuits where voltage regulation is required.
In conclusion, the V20E300L4B7 is a Varistor-MOV which is suitable for use in a wide range of applications, due to its high voltage and current handling capabilities.It is particularly suitable for use in motor control circuits, surge protection applications, power supplies, consumer applications, and automotive applications.
The specific data is subject to PDF, and the above content is for reference
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