V190SM7 Allicdata Electronics
Allicdata Part #:

V190SM7-ND

Manufacturer Part#:

V190SM7

Price: $ 0.75
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: VARISTOR 2SMD J-LEAD
More Detail: Varistor 1 Circuit Surface Mount, MLCV 2-SMD, J-Le...
DataSheet: V190SM7 datasheetV190SM7 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
600 +: $ 0.68135
Stock 1000Can Ship Immediately
$ 0.75
Specifications
Series: SM7
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Maximum AC Volts: 190V
Energy: --
Number of Circuits: 1
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount, MLCV
Package / Case: 2-SMD, J-Lead
Description

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TVS - Varistors, MOVs

The V190SM7 is a metal oxide varistor (MOV) with a wide range of applications across various industries. It is also known as a voltage surge suppressor as it helps protect sensitive electronic components against overvoltage and transients. This article will explain the application fields and working principles of the V190SM7.

Application Fields

The V190SM7 can be used in a variety of applications in a number of industries. This includes automotive electronics, industrial electronics, consumer electronics, and medical equipment. It can also be used to protect circuits from incidental transients in residential and commercial electrical systems.

In automotive electronics, the V190M7 is used to protect vehicle electronics from electrical transients caused by a variety of sources such as lightning strikes, power surges, and inductive kickbacks. In industrial electronics, it is used to protect sensitive circuits from unexpected transients during power cycling. In consumer electronics, it is used to protect devices from unexpected electrical spikes from the power grid.

The V190M7 can also be used in medical equipment to protect sensitive circuits against unexpected power surges. This can be especially important for delicate medical instruments which could be damaged by unexpectedly high voltage.

Working Principle

The V190SM7 is a voltage surge suppressor that works on the principle of clamping. When an unexpected transient surge comes through the power line, the V190SM7 uses its metal oxide resistor material to rapidly valve the voltage to an acceptable level. This prevents electricity from over-driving components on the circuit board to cause damage.

The V190SM7 also works in reverse. If the voltage on the power line falls below the acceptable level, then the MOV will allow more current to flow, bringing the voltage back up to the acceptable level.

The V190SM7 is a self-healing device which means that it can recover from high-current surges without needing to be replaced. This is done via its thermal sensing element, which will activate a reset after a certain temperature is reached. This allows the V190SM7 to be used in multiple applications without needing to be replaced.

Conclusion

The V190SM7 is a metal oxide varistor with a wide range of application fields across various industries. It works on the principle of clamping and can protect sensitive electronic components from overvoltage and transients. This makes it a valuable tool for protecting circuits and equipment from unexpected power spikes. It is also self-healing, which means it can handle multiple surges without needing to be replaced.

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

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