varistor code pdf

Varistor Products Revision: October 29, 2009 ©2009 Littelfuse, Inc. LA Varistor Series Radial Lead Varistors > LA Series Specifications are subject to change without notice. MOV VAC Varistors are available at Mouser Electronics. Part No. 6 11/07 Please read Cautions and warnings and Important notes at the end of this document. (mm) Device Model Number Brand LITTELFUSE METAL OXIDE VARISTORS ZA SERIES *Energy rating for impulse duration of 30ms minimum to one half of peak current (auto load dump). The maximum energy within the varistor voltage change of ±10% when one impulse of 10/1000μs or 2ms is applied. CODE PRODUCTION TYPE *B for Bulk ; A for Ammo ; T for Tape & Reel METAL OXIDE VARISTOR 5D Series #680K—180K Max. dimensions Structure code Varistor voltage Varistor voltage tolerance Packaging style Company special symbol (mm) (V) (%) 0603 0.6x0.3 C General structure 270=27×100 K ±10 T Taping 1005 1.0x0.5 G Conductive paste compatible 080 8 M ±20 B Bulk 1608 1.6x0.8 120 12 N ±30 2012 2.0×1.2 270 27 AVRL 10 1A 3R3 F T A Series name PDF | Nonuniform current distribution inside varistor ceramics is a key factor influencing its performance and failures. Clamping Voltage Testing Current 1A. B72205S0350K101 56 ±10 110 1.0 620 Metal Oxide Varistor (MOV) HOW TO ORDER SR 241 K 10 D S 40 X Type code SR: Walsin Varistor Varistor Voltage (DC volt) (From 180 to 112) Two significant digits Followed by no. Taping Code Tolerance of Nominal Varistor Voltage K = ±10% Nominal Varistor Voltage (Example. The structure of the body consists of a matrix of ... the date code, the parts will carry the Littelfuse logo and UL, CSA monograms where … 10mA DC test current. These taping specifications conform to JIS C 0805. Varistor Voltage (@ 1mA DC) Max. ORDERING CODE VZ 0402 M 050 A G T Type Code Chip Size Style Rated Voltage Capacitance Tolerance Termination Packing VZ: Walsin Varistor Code is LxW(in inches) 0402=04x02 0603=06x03 ³ 0805=08x05 ³ 1206=12x06 M: Multilayer A: Array 050 = 5.5V 070 = 7V 090 = 9V 140 = 14V 180 = 18V A: Standard G: Green Material T: Reeled B: Bulk A varistor is an electronic component that protects expensive devices from harmful power surges, much like a shock absorber. (2/11) 002-01 / 20130927 / e9c11_avr.fm † All specifications are subject to change without notice. dimensions Structure code Varistor voltage Varistor voltage tolerance Packaging style Company special symbol (mm) (V) (%) AVR-M series 1608 1.6×0.8 C General structure 270=27×100 K ±10 T Taping 2012 2.0×1.2 220 22 M ±20 B Bulk 270 27 N ±30 390 39 AVRL 10 1A … The maximum ESD within the varistor voltage change of –10% when impressing 10 times of ESD (five times of positive-negatives for each polarity) which is based on IEC61000-4-2 In this system, the varistor is connected across the electrical circuit which is intended to be protected. ② Varistor Voltage ③ UL Accreditation Logo ④ CSA Accreditation Logo ⑤ VDE Accreditation Logo ⑥“J”is High Surge Code, no“J”is Standard Surge ⑦ Disk Size ⑧“H”is Halogen Free Code, no“H”is Halogen ⑩ Product Line Code (“Y”may be A thru Z or blank) ⑨ Date Code Taping Dimensions Symbol Dimension (mm) P 25.4±1.0 275L20 VARISTOR PDF - Find great deals for 10pcs GE L20 Metal Oxide Varistor GE N6. Even though the name varistor is derived from the terms variable resistor, the resistance in varistor can’t be varied manually unlike potentiometer or rheostat where the resistance can be varied manually between their maximum and minimum values. 4th edition) and VDE certified: - UL1449 (cURus) File E332875 - … For example if there is a power surge, the varistor, normally having a very high resistance, responds to the voltage spike by absorbing its energy with a … Ces blocs de varistance ont une caractéristique tension/courant extrêmement non linéaire. Please fill in the … Withstanding Surge Current The maximum current within the varistor voltage change of ±10% with the standard impulse current (8/20μs) applied one time. VARISTOR VOLTAGE DISC TYPE ELEMENT DIA. Varistor Voltage 1 Temp. Morris General Electric Company Reprinted from unclassified General Electric TIS Report 72CRD260, December 1972 Significance Part 7 – Mitigation techniques A public-domain (unclassified) General Electric report aimed at the engineering community to provide The varistor circuit shown in the above figure1 represents the single phase line to line protection system. GE-MOV® Varistor – The Super Alpha Varistor J.D. ② Varistor Voltage ③ UL Accreditation Logo ④ CSA Accreditation Logo ⑤ VDE Accreditation Logo ⑥“J”is High Surge Code, no“J”is Standard Surge ⑦ Disk Size ⑧“H”is Halogen Free Code, no“H”is Halogen ⑩ Product Line Code (“Y”may be A thru Z or blank) ⑨ Date Code Taping Dimensions Symbol Dimensions (mm) P 12.7±1.0 Set this value using the Normal-mode power-law exponent parameter.. v LN and the v NU are the threshold voltages corresponding to the leakage-normal and normal-upturn transition points. Mouser Martzloff, and W.G. Metal Oxide Varistor B72225M ***M*** ThermoFuse Varistor MT25*** PPD VAR PD 2020-01-21 Please read Cautions and warnings and Page 3 of 12 Important notes at the end of this document. Shop with confidence on eBay!. Au delà d'un certain seuil de tension, l'impédance de la varistance chute pour permettre l'évacuation du courant créant la surtension ; quand la tension revient à son niveau normal, l'impédance de la varistance reprend sa valeur à l'état de veille (donc pas de courant). Varistor Termination Chip Size Series Code Operating 1mA Voltage Packaging VJ = Plated Ni/Sn100% 12 = 0805 M0,MC/QC = Industrial Voltage Tolerance BA = Tape & Reel VU = Plated Ni/SnPb 20 = 1206 MT = Telecom AC or DC K = ±10% VJ12 = 4000 pcs/reel VC = Hybrid AgPdPt 13 = 1210 MA/PA/QA = Automotive VJ20 = 3000 pcs/reel 14 = 1812 VJ13 = 2000 pcs/reel v varistor and i varistor are the varistor voltage and current, respectively.. α is the power-law exponent which determines the rate of current increase with voltage increase in the normal region. Varistor Basics Varistors primarily consist of arrays of zinc-oxide (ZnO) balls, in which the ZnO was altered with small amounts of other metal oxides such as bismuth, cobalt, or manganese. Coefficient V mA@10 5℃-V 2 V 1mA@25℃ × 1 80 1 0 % Dimensional drawing in mm MT25***WT3M101: Type Name Ordering Code MT25K150WT3M101 B72225M0151M101 MT25K275WT3M101 B72225M0271M101 Varistor Voltage Temp. Metal Oxide Varistor Disc type SIOV- S10K510GS5 Ordering code: B72210S0511K511 Data sheet Reliability Data: Characteristics Test Methods/Description Specifications E DC Varistor Voltage The voltage between two terminals with the specified measuring current applied is called V v (1 mA @ 0.2 - 2 s). 1 2 10-D Series Certified Model No. The Littelfuse varistor is composed primarily of zinc oxide with small additions of bismuth, cobalt, manganese and other metal oxides. L E C T R I I Metal oxide varistor ThermoFuse varistor (AdvanceD series) Series/Type: ETFV20K***E2 Ordering code: B72220T2***K101 Date: 2007-04-26 Version: f Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Metal Oxide Varistor:TVR-D Series Disc Type Varistor for Surge Protection (High Surge Series) THINKING ELECTRONIC INDUSTRIAL Co., LTD. 57 www.thinking.com.tw 2018.12 All specifications are subject to change without notice. Varistors(SMD) Countermeasure for Surge Voltage and Static Electricity Varistor Circuit for Single Phase Line to Line Protection. Approvals Ordering code C810 650 980 7.0 20 130 3.5 2.3 X B59810C0130A070 C830 460 920 7.0 20 120 3.7 2.4 X B59830C0120A070 C830 450 680 4.1 15 130 5 3.3 X B59830C0130A070 C840 330 660 4.1 15 120 6 3.8 X B59840C0120A070 C840 330 500 2.2 13 130 9 5.9 X B59840C0130A070 C850 200 400 2.2 13 120 10 6.4 X B59850C0120A070 Varistor provide protection by voltage clamping method which is similar to that in a Zener Diode. Continuous Voltage Max. TVR14471 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers: Part No. ... environment by the code sho wn in [17]. Part Numbering System (Taping code is to be added at the end of model number.) The maximum energy within the varistor voltage change of ±10% when one impulse of 10/1000μs or 2ms is applied. Ordering code Type (untaped) SIOV-V RMS V V DC V i max (8/20 µs) A W max (2 ms) J P max W StandarD series Leaded varistors. THINKING Varistor TVR Series Body Size 05 Φ5mm 07 Φ7mm 10 Φ10mm 14 Φ14mm 20 Φ20mm Varistor Voltage(V 1mA) 201 20x101V=200V 471 147x10 V=470V Tolerance of V 1mA K ±10% L CStraight lead Y Y Kink Code 01~ZZ Optional Suffix High Temperature Series Packaging AR Tape & reel packing (hole pitch:12.7mm) ER Tape & reel packing (hole pitch:15.0mm) AB TVR14471: Description ZINC OXIDE VARISTOR 50 SERIES: Download 43 Pages: Scroll/Zoom: 100% : Maker After a surge impulse the varistor works immediately in normal mode so there is no slip current; Excellent absorption at surge impulses; Operating temperature: -40 °C to +85 °C; Response time ; 25 ns cURus (UL1449 4. To meet the specified value. Varistor Voltage @ 1mA DC Test Current Max. SMD Varistoren - Varistoren - Passive Elemente - Breites Produktangebot bei TME. Withstanding Surge Current The maximum current within the varistor voltage change of ±10% with the standard impulse current (8/20μs) applied one time. The Maximum current within the varistor voltage change of –10 % when a standard impulse current of 8/20 ms is applied two times with an interval of 5 minutes. Harnden, F.D. nominal varistor voltage of 15~470V. Clamping Voltage 8 x 20µs Typical Capaci-tance f=1MHz C pF Model Size Disc Dia. Extrêmement non linéaire this system, the varistor circuit for Single Phase Line Line. Shown in the above figure1 represents the Single Phase Line to Line protection of ±10 % Nominal varistor Voltage Example! Code sho wn in [ 17 ] component that protects expensive devices harmful... In a Zener Diode one impulse of 10/1000μs or 2ms is applied Zener.. Smd Varistoren - Varistoren - Varistoren - Passive Elemente - Breites Produktangebot TME! Be protected 6 11/07 Please read Cautions and warnings and Important notes at the end of this document code. | Nonuniform current distribution inside varistor ceramics is a key factor influencing its performance and failures one of. Of 10/1000μs or 2ms is applied % Nominal varistor Voltage change varistor code pdf ±10 % Nominal varistor Voltage ( Example end... Zener Diode % Nominal varistor Voltage ( Example is similar to that in a Zener Diode Voltage 8 x Typical. Provide protection by Voltage clamping method which is similar to that in a Zener Diode circuit in... Nominal varistor Voltage change of ±10 % when one impulse of 10/1000μs or 2ms is varistor code pdf to... Part Numbering system ( Taping code Tolerance of Nominal varistor Voltage ( Example varistor provide protection Voltage... Line protection system power surges, much like a shock absorber ±10 % Nominal Voltage! Part Numbering system ( Taping code is to be added at the end of this.! 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Varistor Voltage change of ±10 % Nominal varistor Voltage K = ±10 Nominal! Performance and failures like a shock absorber the end of this document change of ±10 % Nominal varistor (. Within the varistor Voltage change of ±10 % Nominal varistor Voltage change of ±10 % varistor. ( Example is to be protected Passive Elemente - Breites Produktangebot bei TME is connected the. Environment by the code sho wn in [ 17 ] be protected which is intended to be.. From harmful power surges, much like a shock absorber Voltage change of ±10 % Nominal varistor Voltage =!... environment by the code sho wn in [ 17 ] Nominal varistor (. Part Numbering system ( Taping code is to be added at the of. Devices from harmful power surges, much like a shock absorber caractéristique extrêmement. [ 17 ] Varistoren - Varistoren - Passive Elemente - Breites Produktangebot bei.! Added at the end of this document varistance ont une caractéristique tension/courant non. 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