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Varistor Application Note

Article source:admin Popularity:Published time:2018-02-01 21:43

Metal Oxide Varistor: Application Note - Thinking Electronics Industrial ...
Metal Oxide Varistor: Application Note - Thinking Electronics Industrial ...
Metal Oxide Varistor:. Application Note. 1 www.thinking.com.tw. 2008.07. ▫ IC Protection against Electro-static Discharge(ESD). ▫ Noise Suppression. Equipment to be protected. SIG.1. SIG.2. SIG.3. SIG.4. COM. Fig.11. Protection of signal equipment. +VCC. Power supply.

AUMOV® & LV UltraMOV™ Varistor Design Guide for DC ... -
DC Application Varistor Design Guide. Terminology Used in Varistor Specifications. Terms and Descriptions. Symbol. Clamping Voltage. Peak voltage across the varistor measured under conditions of a specified peak. VC pulse current and specified waveform. NOTE: Peak voltage and peak currents are ...

Multilayer Varistor Application Notes - Cooper Industries
Multilayer Varistor Application Notes - Cooper Industries
Multilayer Varistors (MLVs) are specifically designed for suppressing electrostatic discharge (ESD). A varistor is a voltage variable resistor that: • At low voltages has an extremely high resistance. • At high voltages has a very low resistance. MLVs are made using multiple, fine grain ceramic layers of a specific formulation.

Littelfuse Varistors - Basic Properties, Terminology and Theory
In this application note we will discuss some theories of operation, but from the user's viewpoint this is not nearly as important as understanding the basic electrical properties as they relate to device construction. The key to explaining metal-oxide varistor operation lies in understanding the electronic phenomena occurring ...

SIOV metal oxide varistors, General technical information - Epcos
SIOV metal oxide varistors, General technical information - Epcos
“Application notes” is required. Determining the nonlinearity exponent α. Two pairs of voltage/current values (V1/I1 and V2/I2) are read from the V/I characteristic of the varistor and inserted into equation 3, solved for α: (equ. 5). General technical information. Page 7 of 21. Please read Important notes and Cautions and ...

Select the Right Varistors for Overvoltage Circuit Protection | Electronic ...
 Metal-oxide varistors (MOVs) are relatively simple devices, choosing the right one requires some knowledge. ... of form factors (Fig. 1). 1. Metal-oxide varistors (MOVs) are available in a variety of form factors and sizes for a broad range of applications. The radial leaded disc type is the most common version.

Comparison of Chip Capacitors and Chip Varistors in Electrostatic ...
Comparison of Chip Capacitors and Chip Varistors in Electrostatic ...
Protection components are largely divided into four categories: Zener diodes (TVS diodes), multilayer chip varistors (MLVs), ESD suppressors, and multilayer ... a broad capacitance range; Internal resistance change (nonlinear characteristic) of the component is caused by voltage application, which suppresses ESD.

METAL OXIDE VARISTOR TNRTM. Production Guide. Product Specifications. Technical Note, Application Examples. P34-50. P51-87. P89-100. Series Table. Precautions and Guidelines. Group Chart / Part Numbering System. Technical Terms on Varistors. Safety Standards. Lead Forming Specifications.

temperature sensor
Temperature Sensor

Temperature sensing is a different sensing resistor chip package inside the probe, commonly used temperature sensitive components are: thermocouple, platinum resistance, thermistor and so on. Temperature sensing customers in the design and styling, we need to select sensitive chip used, the probe dimensions and material, type and temperature of the wire. After the chip welding wire, After the probe is filled and encapsulated, a complete sensor device is formed, and the production process takes several hours. My products through: SJ 20722-1998, GJB 7396-2011, GJB 2433A-2011, ISO / TS16949: 2009 certification. ......Including: ntc temperature sensor, ptc temperature sensor, Pt100 temperature sensor, water temperature sensor, car sensor, ds18b20 sensor.

Thermistors are a class of sensitive components, divided into positive temperature coefficient thermistor (PTC) and negative temperature coefficient thermistor (NTC) according to temperature coefficient. Typical characteristics of the thermistor are temperature sensitive and exhibit different resistance values at different temperatures. Our thermistors accord: JB / T9476-1999, JB / T 9474-1999 standard ...... include: ntc, ptc, SMD thermistors, thermistor power type, resettable fuse, Motor protection thermistor, etc.

Varistors are resistor device having a nonlinear volt-ampere characteristics, mainly used for over-voltage clamping circuit when subjected to pressure, the excess current sink to protect sensitive devices. The main material is the metal oxide (MOV, Metal Oxide Varistor), which contains ceramic particles consisting of zinc oxide particles and a small amount of other metal oxides or polymer spacings. Varistor referred to as VDR, varistor called "surge absorber", sometimes referred to as "surge suppressor. Now widely used "zinc oxide" (ZnO) varistor, its main material has divalent elements zinc (Zn) and hexavalent elemental oxygen (O) formed.

resettable fuse
Resettable fuse
Resettable fuse is an over-current electronic protection components, can replace the ordinary current fuse. Traditional fuse over-current protection, can only be protected once, burned to be replaced, while the Resettable fuse with overcurrent / overheat protection, automatic recovery dual function. Polymer polymer PPTC and ceramic CPTC two kinds of Resettable fuse two, according to the package can be divided into two types, lead plug-in and SMD two. Can also be divided according to the voltage 600V, 250V, 130V, 120V, 72V, 60V, 30V, 24V, 16V, 6V and so on. ..... Product Certification: CCC, CQC, ce, UL, ROHS, TUV, VDE, RU, pse, FCC, IEC and CB ...

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Keywords:Varistor Application Note

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