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Supplier: AVX Corporation
Description: Transient Voltage Suppressors – Multilayer Varistors AVX multilayer varistors, with a unique high-energy multilayer construction, provide state-of-the-art overvoltage circuit protection and protection from voltage transients caused by ESD, inductive switching,
- Lead Type: Axial Leads, Radial Leads, No Leads (SMT)
- Mounting Style: Through Hole Technology (THT), Surface Mount Technology (SMT)
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Supplier: Littelfuse, Inc.
Description: The CA Series of transient surge suppressors are industrial high-energy disc varistors (MOVs) intended for special applications requiring unique electrical contact or packaging methods provided by the customer. The electrode finish of these devices is solderable and can also be used
- Maximum AC RMS Voltage: 1320 volts
- Maximum Clamping Voltage: 750 volts
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Supplier: Littelfuse, Inc.
Description: The UltraMOV Metal Oxide Varistor Series is designed for applications reqiring high peak surge current ratings and high energy absorption capability. UltraMOV varistors are primarily intended for use in AC Line Voltage applications such as Transient Voltage
- Lead Type: Radial Leads
- Maximum AC RMS Voltage: 748 volts
- Maximum Clamping Voltage: 420 volts
- Mounting Style: Through Hole Technology (THT)
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Supplier: Littelfuse, Inc.
Description: The UltraMOV Metal Oxide Varistor Series is designed for applications reqiring high peak surge current ratings and high energy absorption capability. UltraMOV varistors are primarily intended for use in AC Line Voltage applications such as Transient Voltage
- Lead Type: Radial Leads
- Maximum AC RMS Voltage: 787 volts
- Maximum Clamping Voltage: 440 volts
- Mounting Style: Through Hole Technology (THT)
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Supplier: Littelfuse, Inc.
Description: The HMOV™ Varistor Series is specifically designed for applications requiring high surge energy absorption and high operating temperature of 125°C. The maximum peak surge current is rated up to 10kA (8/20µs pulse) to protect against indirect lightning strikes, switching surge
- Lead Type: Radial Leads
- Maximum AC RMS Voltage: 644 volts
- Maximum Clamping Voltage: 440 volts
- Mounting Style: Through Hole Technology (THT)
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Supplier: M&I Materials Limited
Description: manufacturing excellence and high standards of technical support. Manufactured from a semi-conducting material with the distinctive property that its electrical resistance depends on the applied voltage enabling it to act as an 'electrical safety valve' to protect equipment and
- Diameter: 152 mm
- Maximum AC RMS Voltage: 850 volts
- Maximum Clamping Voltage: 5000 volts
- Mounting Style: Other
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Supplier: Radwell International
Description: HIGH SURGE VARISTOR, 1.65KV, DISC 14MM; VOLTAGE RATING VAC:625V; VOLTAGE RATING V DC:825V; PRODUCT RANGE:WE-VD SERIES; CLAMPING VOLTAGE VC MAX:1.65KV; VARISTOR CASE STYLE:DISC 14MM; VARISTOR TYPE:METAL OXIDE VARISTOR (MOV); PEAK ROHS COMPLIANT:
- Device Type: Metal Oxide Varistor (MOV)
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Supplier: Bourns, Inc.
Description: Bourns® MOV product portfolio offers 7 mm and 10 mm radial leaded varistor devices which protect against overvoltage transients such as lightning, power contact and power induction. The metal oxide varistors offer a choice of varistor voltages from 18 V to 820 V and Vrms
- Capacitance: 60 to 28500 pF
- Clamping Voltage: 36 to 2970 volts
- Configuration: Single Device
- Mounting / Packaging: Radial Leads
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Supplier: TDK Corporation
Description: L Type is ESD protection device for high speed signal line. Can replace a TVS diode + Capacitor combination. , Smart Phone, Mobile Phone, Tablet, Note PC, DVC, DSC, LCD TV, STB, Car Multimedia , Excellent electrostatic absorption capability. Response is as good or better than TVS diode. Keeps
- Maximum AC RMS Voltage: 90 volts
- Operating Temperature: -40 to 185 F
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Supplier: Accuris
Description: RESISTOR, VOLTAGE SENSITIVE (VARISTOR), METAL OXIDE, HIGH ENERGY
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Supplier: MDE Semiconductor, Inc.
Description: MDE High Energy Metal Oxide Varistors “D” & “S” Series The High Energy Series large tab-leaded varistors are designed to handle high peak currents and have the ability to absorb large amounts of energy. Available in round (D) and square (S) shapes to allow mounting
- Configuration: Single Device
- Mounting / Packaging: Radial Leads, Other
- RoHS Compliant: Yes
- UL: Yes
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Supplier: Win Source Electronics
Description: DC Volts: 18V Energy: 0.50J Temperature Range - Operating: -40°C ~ 125°C Manufacturer Package: 1206 (3216 Metric) Varistor Voltage (Maximum): 25.92V Popularity: High Fake Threat In the Open Market: 35 pct. Supply and Demand Status: Balance Manufacturer Pack Quantity: 4,000 MSL
- Diode Type: Transient Voltage Suppressor Diodes (TVS)
- Tj: -40 to 125 C
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Supplier: Trigon Components, Inc.
Description: F PACKAGE Radial FEATURE •Fast response time. •Low leakage current. •Excellent voltage & energy ratio. •Low standby power and no follow on current. •High performance in surge current handing capability. •High performance in clamping voltage characteristics.
- Diameter: 20 mm
- Lead Type: Radial Leads
- Maximum AC RMS Voltage: 1000 volts
- Maximum Clamping Voltage: 2970 volts
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Description: HIGH TEMPERATURE +150C AUTOMOTIV
- Diode Type: Transient Voltage Suppressor Diodes (TVS)
- Tj: -55 to 150 C
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Description: HIGH TEMPERATURE +150C AUTOMOTIV
- Package Type: Other
- Tj: -55 to 150 C
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Supplier: CSA Group
Description: IEC 61643-331:2017E) is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power line, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient
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Description: IEC 61051-2:2021 is a sectional specification and is applicable to metal oxide varistors with symmetrical voltage-current characteristics for use in electronic equipment connected to any AC or DC supply system. These varistors are designed to protect electronic and other
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Supplier: Eaton Cooper Power Systems
Description: The POSI-BREAK M.O.V.E. Surge Arrester combines metal (zinc) oxide varistor technology in a pre-molded rubber elbow to provide overvoltage system protection in an insulated, fully shielded, submersible, deadfront device. The arrester housing interface conforms to IEEE Std 386™
- Device Type: Lightning Arrestor
- Maximum Surge Current: 200 amps
- Mounting: Hard-Wired / Device Mount
- Technology: MOV
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Supplier: RS Components, Ltd.
Description: Round Varistor elements, leaded. Epoxy coating to UL94V-0. High surge current rating Varistor Voltage = 510V Maximum AC Voltage Rating = 320V Maximum DC Voltage Rating = 420V Clamping Current = 4500A Energy = 84J Series = StandarD Diameter = 15.5mm
- Device Type: Metal Oxide Varistor (MOV)
- Supply Voltage (VS): 420 volts
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Supplier: CARLO GAVAZZI Automation Components
Description: A Solid State Relay family designed to switch various loads such as heating elements, motors and transformers. The relay is capable of switching high voltages up to 600 VACrms. The built-in varistor secures transient protection for heavy industrial applications. For higher
- Dielectric Strength (Isolation Voltage): 4 kilovolts
- Maximum Current: 75 amps
- Mounting: Bracket (Flange) Mount
- Operating Temperature: -22 to 176 F
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Supplier: RS Components, Ltd.
Description: Round Varistor elements, leaded. Epoxy coating to UL94V-0. High surge current rating Varistor Voltage = 820V Maximum AC Voltage Rating = 510V Maximum DC Voltage Rating = 670V Clamping Current = 10000A Energy = 445J Series = S20 Diameter = 23mm Capacitance =
- Capacitance: 600 pF
- Peak Energy (10/1000uS): 445 joules
- Supply Voltage (VS): 670 volts
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Supplier: Trigon Components, Inc.
Description: F PACKAGE Radial FEATURE •Fast response time. •Low leakage current. •Excellent voltage & energy ratio. •Low standby power and no follow on current. •High performance in surge current handing capability. High performance in clamping voltage
- Capacitance: 120 to 18000 pF
- Configuration: Single Device
- Mounting / Packaging: Through-Hole
- Peak Energy (10/1000uS): 4.7 to 342 joules
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Supplier: L-com, Inc.
Description: the final stage is a Metal Oxide Varistor (MOV). The unit limits the positive and negative voltage swing on the line to the Varistor voltage rating. Call for different Fuse and Varistor ratings. Use the AL-D8 DC series if uni-polar voltage swing is required.
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Supplier: SCHURTER Inc
Description: Description Filter for 277 VAC or 400 VDC applications 1 stage Compact filter with high symmetrical attenuation Unique Selling Proposition For high AC- or DC-voltages Excellent symmetrical attenuation Completely enclosed
- Medical Rating: Yes
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Supplier: PHOENIX CONTACT USA
Description: Surge voltage arrester consisting of base element and ground connector with high-capacity varistor, for mounting on NS 35/7.5, nominal voltage: 230 V AC, 1-channel.
- Mounting: DIN Rail
- Operating Temperature: 104 to 176 F
- Standards: UL, RoHS Compliant
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Supplier: Finder S.p.A. con unico socio
Description: /applications for protection against induced and switching overvoltages To be installed on the border between zones LPZ 1 and LPZ 2 Combination of high-performance varistors and gas spark gaps (GDT) which ensure: – high discharge currents – high insulation resistance
- Standards: CE Marking, Other
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Supplier: Win Source Electronics
Description: Temperature Range - Operating: -55°C ~ 125°C Manufacturer Package: 1210 (3225 Metric) Varistor Voltage (Minimum): 90V Varistor Voltage (Maximum): 110V Is this a common-used part?: Yes Popularity: High Fake Threat In the Open Market: 93 pct. Supply and Demand
- Case / Package Size: Other
- Mounting / Packaging: Other
- Tj: -55 to 125 C
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Supplier: Finder S.p.A. con unico socio
Description: Type 78.1A Switch mode power supply with 24 V DC, 120 W output and voltage adjustable between 24 and 28 V. Features include: High efficiency (up to 93%) Low consumption in stand-by (less than 1 W) Short circuit protection: Hiccup mode (automatic reset
- AC Input Voltage: 120 to 260 volts
- DC Output Power: 120 watts
- Technology: Switching
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Supplier: Innovative Technology
Description: The I.T. XT Series of SPDs uses Thermally Protected Metal Oxide Varistor (TPMOV) technology to provide high quality transient voltage surge suppression for light industrial, commercial and OEM applications. XT Series devices are the industries first UL1449 third edition listed
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Supplier: Knowles Precision Devices
Description: -resonant frequencies. They are offered with a choice of C0G/NP0 or X7R ceramic, or in MOV (metal oxide varistor) material for voltage protection applications. Varistor planar arrays and varistor discoidal Varistor planar arrays and varistor discoidal
- Capacitance Type: Fixed
- DC Rated Voltage Range (WVDC): 50 to 3000 volts
- Electrostatic Capacitors: Ceramic COG (NPO), Ceramic X7R
- Operating Temperature: -55 to 125 C
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Supplier: Gefran
Description: . For applications with merely resistive loads, "T" version is available with TRIAC output. This relay has been designed to stand high-value transitory applications. When the relay has to stand high currents for a long period, it is necessary to grant a proper dissipation and an
- Application Type: General Application Relay
- Features: Visual Indicator
- Input (Pick-up) Voltage Range: 32 volts
- Input Current Range: 15 to 120 amps
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Supplier: RS Components, Ltd.
Description: Modular slim-line transient voltage suppressors designed to snap-fit directly onto top hat profile DIN rails. Dual high-energy electrically isolated metal oxide varistors. Fuse protection from line surges Suppressor Type = Type 1 Arrester, Type 2 Arrester Maximum Voltage
- Device Type: Other
- Maximum Surge Current: 40000 amps
- Operating Temperature: -40 F
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Supplier: RS Components, Ltd.
Description: The RGC2 and RGC3 type solid state relays have been designed to replace mechanical contactors especially when there is a high switching frequency. They are available with various options including either 2 or 3 pole. Switch ON occurs at the voltage zero cross and switch OFF occurs at
- Input (Pick-up) Voltage Range: 20 to 275 volts
- Input Voltage Type: AC, DC
- Load Voltage: 42 to 660 volts
- Mounting: DIN Rail
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Supplier: CITEL SURGE PROTECTION
Description: CITEL model DS150E is a heavy duty AC Surge Protection Device (SPD) for high exposure applications such as direct lightning strikes, capacitor bank switching and large inductive loads. The DS150E is a single pole device that incorporated a multi-varistor circuit. It offers unmatched
- 3-Phase Configuration: Delta, Wye
- Features: Integral Disconnect, Thermal Fusing
- Mounting: Other
- Operating Temperature: -40 to 185 F
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Supplier: CITEL SURGE PROTECTION
Description: The DS2x0-xxDC surge protector is designed to protect equipment connected to DC power supply (or AC) against lightning surges. These devices are based on high energy varistors (MOV) matched with the DC operating voltage (from 12 to 350 Vdc). The MOV are equipped with internal
- Mounting: Other
- Operating Temperature: -40 to 185 F
- Standards: UL 1449 Third Edition, CE Marking, IEC, UL, Other
- Technology: MOV
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Fast response time – Quickly suppresses voltage surges. High surge current capacity – Handles large transient (read more)
Browse Varistors Datasheets for Shenzhen Weidy Industrial Development Co., Ltd. -
have high leakage current and imprecise voltage ratings. Metal Oxide Varistors (MOVs), and most Transient Voltage Suppressor (TVS) devices, are also impractical to control voltage spikes as they breakdown when voltages drop below 5V. Compared to a Zener diode clamp, this circuit, at (read more)
Browse Uncategorized Products Datasheets for Advanced Linear Devices, Inc. -
Advanced Linear Devices Inc. (ALD), a leader in specialty analog technology, has announced a first-to-market low power, low voltage, high-precision voltage-clamp module. The SABMBOVP family is an ideal clamping solution for critical mission applications deployed in business, safety, and security (read more)
Browse Datasheets for Advanced Linear Devices, Inc. -
Type 78.60 60 W high efficiency, low profile modular DC power supply for electrical cabinets with ZVS (Zero-voltage-switching), quasi-resonant mode switching. This product is also suitable for battery charging. Features: 24 V DC, 60 W output Output adjustable (read more)
Browse DC Power Supplies Datasheets for Finder S.p.A. con unico socio -
Providing the power needed to operate Finder’s PLRs (Programmable Logic Relays), the new power supply provides a 24 V DC supply voltage, and can handle high inrush currents. The power supply is also surge (read more)
Browse Switching Power Supplies Datasheets for Finder S.p.A. con unico socio
Conduct Research Top
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Application Note: Varistor Testing (.pdf)
high voltages and currents, the user must exercise appropriate safety precautions.
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Application Note: Littelfuse Varistors - Basic Properties, Terminology and Theory
Varistors are voltage dependent, nonlinear devices which have an electrical behavior similar to back-to-back zener diodes. The symmetrical, sharp breakdown characteristics shown in Figure 1 enable the varistor to provide excellent transient suppression performance. When exposed to high voltage
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Application Note: Considerations for Selecting Littelfuse MOVs and Fuses for Industrial Motor Applications
Littelfuse offers specific Varistors and Classes of Fuses to address over-voltage and over-current transients in the Industrial environment. This application area is typically characterized as AC utility service entrance and distribution, and the associated high current inductive loads that can
More Information Top
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Preparation of high-voltage ZnO varistor ceramics
There are data on the development of processes for the synthesis of varistor powders and the fabrication of high voltage varistors .
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Effect of two-step sintering on rare earth (RE = Y2 O3 , Pr6 O11 ) doped ZnO–Bi2 O3 varistors processed from ‘nano-precursor’ powders
…the bulk synthesis of varistor grade nano materials (3) control of rapid grain-growth in ZnO (4) adopting energy efficient innovative sintering techniques for low temperature densification and (5) tuning the per- formance suitable to low, medium and high voltage varistors systems.
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Nanostructured dielectric materials
We present a high level summary of the progress achieved as well as challenges remaining in nanostructural engineering towards high energy density capacitor for energy storage and conversion, high voltage varistor for surge suppression and high proton conductivity membrane for fuel cell…
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The relation between testing waveform and energy density on ZnO varistor
It is then clear that in the worldwide exploration the investigation of high voltage varistor (El- .
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Synthesis of Doped ZnO Nanopowders Through Sucrose Protection Method and Its Use in Varistors Productions
Comparatively, most of the commercially available ZnO-Bi2O3-type varistors have breakdown voltages in the range 180–220 V/mm, which is one of the limiting factors for high voltage varistors .
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Major effect on electrical properties and aging behavior of ZnO–Pr6 O11 -based varistor ceramics with small In2 O3 doping changes
These samples can be applied to high voltage varistors with a compact size.
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Zinc Oxide Varistors
Figures below give the FIT for low and high voltage varistors .
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New Materials and Processes
It can be seen that, the highest voltage varistor of the samples appeared with 1% content of V2O5 and the lowest varistor voltage of the samples appeared with 1.6% content of V2O5.
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Croatian scientific bibliography - Browsing paper
Finite element modelling of the electrical impulse induced fracture of a high voltage varistor .
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Microstructure and electrical properties of ZnO–Pr6 O11 –Bi2 O3 -based varistor ceramics with sintering changes
Therefore, this ceramic composition may be suitable for super high voltage varis- tors in compact type.
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