Products/Services for What Is A Varistor
Varistors - (164 companies)
Metal Oxide Varistors (MOVs) - (74 companies)
No Image AvailableBoard Mount Surge Suppressors - (17 companies)
Circuit Protection Devices - (253 companies)
Surge Suppressors - (818 companies)
Dataline and DC Signal Surge Suppressors - (214 companies)
Product News for What Is A Varistor
Thermally Protected Varistors RoHS Approved World Products, LLC gains RoHS approval on the 25mm, round disk TVZ varistor. Approvals for the 14mm, 18mm, 20mm, 25mm and 34mm are in process. WP has also submitted the entire line of TVS diodes for VDE/AnnexQ approvals. One lead of the TVZ varistor is connected to a thermal fuse which is designed to open when the varistor is under sustained abnormal over-voltage conditions. The TVZ series is designed to meet the abnormal over-voltage requirements of UL 1449 3rd edition, Section 39.4... (read more)
Mouser Electronics, Inc.
EPCOS E Series Multilayer Varistors EPCOS products are part of the product portfolio of TDK Corporation, one of the leading manufacturers of electronic components, modules, systems and devices. The broad portfolio of passive electronic components includes capacitors, ferrites, inductors, high-frequency components such as surface acoustic wave (SAW) filter products, piezo and protection components, and sensors. These components are marketed under the product brands TDK and EPCOS. EPCOS E Series Multilayer Varistors feature: Case... (read more)
Mouser Electronics, Inc.
Littelfuse LV UltraMOV™ Varistor Series at Mouser from the power source. Available in five model sizes: 5mm, 7mm, 10mm, 14mm and 20mm, these devices feature a wide VAC voltage range of 11V to 40V, VDC voltage range of 14V to 56V, and high operating temperature range up to 125 ºC. . The Littelfuse LV UltraMOV ™ Varistor Series of low voltage, high surge current, radial leaded varistors provides an ideal circuit protection solution for lower DC voltage applications. By integrating new design technology, devices in small package... (read more)
PHOENIX CONTACT USA
Varistor-based lightning arresters Levels III & IV The arresters are rated for Type 1 lightning strike events with a measured 10/350 µs test current (Iimp) of 12.5 kA or Type 2 surge events with a measured 8/20 µs maximum discharge surge current (Imax) of 50 kA. The varistors-based VALVETRAB T1/T2 provides maximum surge protection in an easy-to-use DIN rail-mount base. All arrester plugs, including the N-PE spark gap, are pluggable and have a thermal disconnect device triggering the visual and the integrated remote monitoring... (read more)Browse Surge Suppressors Datasheets for PHOENIX CONTACT USA
Mouser Electronics, Inc.
AVX AG Series Automotive Varistors from Mouser nbsp;AVX AG Series Automotive Varistors offer ultra-low capacitance ESD protection in the Sub 1pF range for use in automotive circuits that are sensitive to capacitance. AG Series Automotive Varistors are available in 0.8pF capacitance value in a compact 0402 low profile package, and provide excellent response time to ESD strikes to protect sensitive circuits from over voltage. Ideal applications for AVX AG Series Automotive Varistors include antennas, optics, GPS, cameras, sensors, and touch... (read more)
Mouser Electronics, Inc.
EPCOS SIOV Metal Oxide Varistors from MOUSER EPCOS SIOV Metal Oxide Varistors feature a wide operating voltage range of 11 to 1100 VRMS, high surge current ratings up to 8 kA, and no derating up to 85 °C ambient temperature. SIOV Metal Oxide Varistors meet new UL 1449 3rd Edition requirements. Applications include lighting, radio and TV equipment, and household appliances. Features: Wide operating voltage range 130 to 420 VRMS. Self-protected under abnormal overvoltage conditions. High-energy AdvanceD series E2. Applications: Air... (read more)
CITEL SURGE PROTECTION
CITEL - DS50VGPVS - PV Surge Protector CITEL DS50VGPVS is a DC Surge Protection Device (SPD) for medium risk DC power applications up to 1200Vdc. The DS50VGPVS provides protection against the direct and indirect effects of lightning and has a unique no leakage current design. CITEL's patented hybrid Metal Oxide Varistor (MOV)/Gas-filled Spark Gap (GSG) protection circuit will dramatically increase the life expectancy of the surge protector and leave no footprint within the DC power system. CITEL's VG technology is a hybrid... (read more)Browse Surge Protective Devices (SPDs) Datasheets for CITEL SURGE PROTECTION
Radial Leaded Disc ZNR Transient Surge Absorbers ERZ-E Series (E5-E7-E8-E11) Radial Leaded Disc ZNR Transient / Surge Absorbers (MOV). Performance of a 7mm Device in a 5mm Size for Drop-In Replacement!. NEW ERZ-E5 Series Radial Leaded Disc ZNR ® Transient/Surge Absorbers to our already outstanding ZNR ® product line. ZNR ® stands for Zinc-oxide Non-linear Resistor, also commonly known as Metal Oxide Varistor or MOV. Panasonic invented the ZNR ® Surge Absorber in 1968 and is a pioneer in the use of Zinc Oxide as a Surge... (read more)Browse Varistors Datasheets for Panasonic
Syfer Technology Limited
SFCMV range of threaded panel mount EMI Filters SFCMV range of threaded panel mount EMI / Varistor Filters. The Syfer range of varistor filters provides both transient voltage protection and EMI filtering in one device. The heart of this unique device is a multilayer varistor discoidal, which provides a dual function. The use of metal oxide based ceramic (MOV) provides the voltage protection, with bi-directional clamping, while the inherent capacitance, due to the multilayer construction, ensures effective lowpass EMI filtering up (read more)Browse EMI Filters and RFI Filters Datasheets for Syfer Technology Limited
CITEL SURGE PROTECTION
CITEL - DC Surge Protection 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 thermal disconnectors in order to provide safe end of life. (read more)Browse Surge Protective Devices (SPDs) Datasheets for CITEL SURGE PROTECTION
This document guides the reader about the typical steps involved with selecting a Littelfuse varistor to serve most applications. an9771 Selecting a Littelfuse Varistor. Application Note. July 1999. AN9771.1. Introduction. The varistor must operate under both a continuous operating. VM(DC...
...received consist of correct parts at the expected quality. If the varistor voltage test is implemented on automatic test. level. For incoming inspection of Littelfuse Varistors, it is. equipment, a "soak" time of 20ms minimum should be. recommended that sample testing include nominal varistor. allowed...
...they are forecast to comprise some 23% of the total component count. Another approach towards increases in circuit compression is that of multi-functionality. Varistors were single function products - their only purpose was to suppress transient voltages. Now, available in a multilayer construction...
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...
...or minimum) for operation of a device. It is determined for specified values of environment and operation. The ratings indicate a level of stress which may be applied to the device without causing degradation or failure. Varistor symbols are defined on the linear V-I graph illustrated in Figure 1. At high...
This note is meant to be a guide for the user in selecting a varistor by describing common application examples, and illustrating the solution process to determine the appropriate varisor. The note also describes series/parallel connection rules. It is desired to prevent failure of the power supply...
...series of MOV varistor. of these is recommended for the process-. ity. On the other hand, no varistor should. discs with silver electrodes are specifically. ing of unpassivated varistors. be held longer than necessary at an. designed for custom assembly and packag-. A very repeatable temperature profile...
". The ultimate. Filter Capacitor, the Multilayer Planar Array is now available. d. with an additional function, that of transient protection. Built using Multilayer Varistor Planar Arrays, Transient. Protection Filter Connectors are about to become an affordable. commodity. Grain Boundary. 2. Varistors. d...
MLE, MLN and AUML Series Suppressors which cover a. FIGURE 2. CROSS-SECTION OF THE "CH" SERIES OF. voltage range from 3.5VDC to 120VDC. METAL OXIDE VARISTORS. Metal Oxide Varistors. Multilayer Transient Voltage Suppressors. A metal oxide varistor (MOV) is a nonlinear device which has. All...
Metal Oxide Varistors (MOVs) are commonly used to suppress transients in many applications such as: Transient Voltage Surge Suppressors (TVSS), Uninterruptible Power Supplies (UPS), AC Power Taps, AC Power Meters or other products. Lightning, inductive load switching, or capacitor bank switching...
Engineering Web Search: What Is A Varistor
Transistor - Wikipedia, the free encyclopedia
Instead, what Bardeen, Brattain, and Shockley invented in 1947 was the first bipolar point-contact transistor.[6 In acknowledgement of this
What is a Varistor?
What is a Varistor? Potentiometer Follow @wiseGEEK What Is a Metal Oxide Varistor? What Is a Power Resistor?
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devices from "surges." So if you're wondering what a surge protector does, the first question is, "What are surges?" And then, "Why do electronics
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What is the replacement coil part number for the LC1D09...
> What is the part number for a varistor coil surge suppressor for a LC1D09 to LC1D32 3 pole and LC1DT20 to LC1DT40 4 pole?
Re: (ET) Small E20 fire: What is it with MOVs?
Re: (ET) Small E20 fire: What is it with MOVs? Subject: Re: (ET) Small E20 fire: What is it with MOVs?