Metal Oxide Varistors

What are they?
Metal Oxide Varistors, more commonly known as ’MOVs’ are devices that provide excellent transient voltage suppression. They are a type of non-linear device that feature similar characteristics to Zener diodes. They are used to protect vulnerable electronic circuits and components from overvoltage conditions that can cause damage. Any potentially destructive overvoltage energy is dissipated as heat.
Construction:
Metal oxide varistors are typically constructed from zinc oxide and combined with small additions of other metal oxides such as cobalt, magnese or bismuth. These materials are sintered into ceramic casings during manufacture. Although MOVs are available in different formats, they are most commonly radial leaded discs.
Applications:
• Suppression of lightning and other high levels of transient energy
• Low voltage power supplies in DC circuits
• Low voltage power supply in automotive applications
• Protection from internal transients within capacitor discharges, relay switching and inductive load switching

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Description Price Varistor Voltage Maximum AC Voltage Rating Maximum DC Voltage Rating Clamping Voltage Clamping Current Energy Series Diameter Maximum Surge Current Capacitance Length Depth Thickness Dimensions
RS庫存編號 177-9355
製造零件編號AVR-M1608C120MT6AB
BrandTDK
TWD3.10
個 (在毎卷:2000)
單位
12V - 7.5V 20V 2A 0.09J - - 50A 1.05nF 1.6mm 0.8mm - -
RS庫存編號 177-9365
製造零件編號AVRL101A3R3FTA
BrandTDK
TWD2.30
個 (在毎卷:4000)
單位
27V - 10V - - - - - - 3.3pF 1mm 0.5mm 0.5mm 1 x 0.5 x 0.5mm
RS庫存編號 177-9564
製造零件編號AVR-M1005C120MTAAB
BrandTDK
TWD3.40
個 (在毎卷:500)
單位
12V - 7.5V 20V 1A 0.05J - - 10A 130pF 1mm 0.5mm - -
RS庫存編號 177-9563
製造零件編號AVR-M1005C080MTACB
BrandTDK
TWD3.50
個 (在毎卷:500)
單位
8V - 5.5V 19V 1A 0.01J - - 1A 33pF 1mm 0.5mm - -
RS庫存編號 644-0000
製造零件編號AVR-M1005C080MTABB
BrandTDK
TWD8.90
/個 (每包:10個)
單位
8V - 5.5V 15V 1A 0.02J - - 3A 100pF 1mm 0.5mm - -
RS庫存編號 177-9562
製造零件編號AVR-M1005C080MTAAB
BrandTDK
TWD3.70
個 (在毎卷:500)
單位
8V - 5.5V 14V 1A 0.04J - - 25A 650pF 1mm 0.5mm - -