Allicdata Part #: | F3744-ND |
Manufacturer Part#: |
V321DA40 |
Price: | $ 26.75 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | VARISTOR 510V 40KA CHASSIS |
More Detail: | 510V 40kA Varistor 1 Circuit Chassis Mount Encased... |
DataSheet: | V321DA40 Datasheet/PDF |
Quantity: | 26 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 24.32430 |
10 +: | $ 22.49790 |
25 +: | $ 20.67360 |
100 +: | $ 19.21420 |
250 +: | $ 17.63340 |
Varistor Voltage (Typ): | 510V |
Package / Case: | Encased Disc |
Mounting Type: | Chassis Mount |
Operating Temperature: | -55°C ~ 85°C (TA) |
Capacitance @ Frequency: | 3800pF @ 1MHz |
Number of Circuits: | 1 |
Energy: | 460J |
Current - Surge: | 40kA |
Varistor Voltage (Max): | 561V |
Series: | DA |
Varistor Voltage (Min): | 459V |
Maximum DC Volts: | 420V |
Maximum AC Volts: | 320V |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
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The V321DA40 is a metal oxide varistor (MOV) that belongs to a class of electrical components known as transient voltage suppressors (TVS). The V321DA40 can be used to suppress transient voltage spikes or surges that are greater than a certain voltage limit, thus protecting the surrounding electrical circuits from damage due to over-voltage.
The V321DA40 is composed of a ceramic body in which a metal oxide material of zinc oxide is compressed and formed into small discs, or so-called diskvaristors. This material has the ability to act as an electrical resistance that changes depending on the applied voltage. The V321DA40 is usually rated with a working voltage of life up to 40 V and a surge current of 840A.
The main purpose of the V321DA40 is to protect sensitive electronic equipment against voltage spikes and transients generated both externally and internally. Due to its highly consistent performance, the V321DA40 is suitable for many different applications and is particularly suited for motor control, power supplies, telecommunications, etc.
The working principle of the V321DA40 is to clamp the voltage to a certain level which is lower than the start voltage of the affected electronic equipment. When a voltage spike or surge exceeds the specified operating voltage of the V321DA40, current will flow through the varistor which raises its temperature and causes it to resist the voltage, thus clamping the voltage to a safe level. Once the transient has passed, the device will automatically reset and remain in standby mode until another transient appears.
In order to ensure maximum performance, it is important to consider the distance of the V321DA40 from the affected device and the ambient temperature of the environment in which it is operating. Unfavorable temperatures may decrease the life of the device or cause it to fail prematurely. It is also recommended to follow the recommended installation instructions from the manufacturer to ensure the best results.
In conclusion, the V321DA40 is a reliable and efficient reliable device for transient voltage protection. Its metal oxide varistor construction and self-resetting feature make it a popular choice for many different applications. Understanding its working principles and taking into consideration its mounting and temperature requirements will ensure the best performance in any application.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
V321DB40 | Littelfuse I... | 26.75 $ | 1 | VARISTOR 510V 40KA BLADE ... |
V321BA60 | Littelfuse I... | 69.06 $ | 51 | VARISTOR 510V 50KA CHASSI... |
V321DA40 | Littelfuse I... | 26.75 $ | 26 | VARISTOR 510V 40KA CHASSI... |
V321HB34 | Littelfuse I... | 5.52 $ | 1000 | VARISTOR 510V 40KA SQUARE... |
V321HF34 | Littelfuse I... | 5.52 $ | 1000 | VARISTOR 510V 40KA SQUARE... |
V321HG34 | Littelfuse I... | 5.52 $ | 1000 | VARISTOR 510V 40KA SQUARE... |
V321HA32 | Littelfuse I... | 8.06 $ | 1000 | VARISTOR 510V 25KA DISC 3... |
V321HC32 | Littelfuse I... | 8.06 $ | 1000 | VARISTOR 510V 25KA DISC 3... |
V321HC40 | Littelfuse I... | 8.82 $ | 1000 | VARISTOR 510V 40KA DISC 4... |
V321DHB34 | Littelfuse I... | 8.88 $ | 1000 | VARISTOR 510V 40KA SQUARE... |
V321HA40 | Littelfuse I... | 9.6 $ | 1000 | VARISTOR 510V 40KA DISC 4... |
V321CA32 | Littelfuse I... | 0.0 $ | 1000 | VARISTOR 510V 20KA DISC 3... |
V321CA40 | Littelfuse I... | 0.0 $ | 1000 | VARISTOR 510V 40KA DISC 4... |
V321CA40PS | Littelfuse I... | 0.0 $ | 1000 | VARISTOR 510V 40KA DISC 4... |
V321NA34 | Littelfuse I... | 0.0 $ | 1000 | VARISTOR 510V 40KA SQUARE... |
V321CA60 | Littelfuse I... | 24.95 $ | 1000 | VARISTOR 510V 50KA DISC 6... |
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