Варистор - UVAR: 430 В; UAC: 275 В; UDC: 350 В; ITM: 1.75 кА; WTM: 28 Дж; Корпус: VAR-07
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Технические характеристики

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Классификационное напряжение варистора
Максимальное рабочее напряжение AC
Максимальное рабочее напряжение DC
Максимальный пиковый ток
Энергия рассеяния
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Metal-Oxide Varistors (MOVs) Radial Lead Varistors > UltraMOVTM Varistor Series UltraMOVTM Varistor Series RoHS Description The UltraMOV™ Metal Oxide Varistor Series is designed for applications requiring high peak surge current ratings and high energy absorption capability. UltraMOV™ varistors are primarily intended for use in AC Line Voltage applications such as Surge Protection Device (SPD), Uninterruptable Power Supplies (UPS), AC Power Taps, AC Power Meters, or other products that require voltage clamping of high transient surge currents from sources such as lightning, inductive load switching, or capacitor bank switching. Agency Approvals Agency Agency Approval Agency File Number UL1449 E320116 CECC 42201-006 IEC 61051-1 IEC 61051-2 IEC 60950-1 (Annex Q) for 14mm and 20mm only 116895 22.2-1 91788 CECC 42201-006 IEC 61051-1 IEC 61051-2 IEC 60950-1 (Annex Q) for 14mm and 20mm only E1273/F Additional Information Datasheet Resources These devices are produced in radial lead package sizes of 7, 10,14 and 20mm and offered in a variety of lead forms. UltraMOV™ varistor are manufactured with recognized epoxy encapsulation and are rated for ambient temperatures up to 85ºC with no derating. This Series is LASER-branded and is supplied in bulk, ammo pack (fanfold), or tape and reel packaging. Features • Lead–free, Halogen-Free • Custom voltage and RoHS compliant types available • High peak surge • Standard lead form and current rating (ITM) up lead space options to 10kA, single 8 x • High operating 20 pulse, (20mm) temperature range up to 125'C (phenolic coating • Standard operating option). 10mm, 14mm voltage range compatible and 20mm devices are with common AC UL recognized with 800V line voltages (130 isolation voltage rating VAC to 625 VAC) • Characterized for maximum standby current (Leakage) Samples Absolute Maximum Ratings • For ratings of individual members of a series, see Device Ratings and Specifications chart Continuous UltraMOV™ Varistor Series Units 130 to 625 V 1,750 to 10,000 A Steady State Applied Voltage: AC Voltage Range (VM(AC)RMS) Transients: Single-Pulse Peak Current (ITM) 8x20µs Wave (See Figure 2) 12.5 to 400 J Operating Ambient Temperature Range (TA) Single-Pulse Energy Range (WTM) 2ms Square Wave -55 to +85 ºC Storage Temperature Range (TSTG) -55 to +125 ºC Temperature Coefficient (aV) of Clamping Voltage (VC) at Specified Test Current <0.01 %/ºC Hi-Pot Encapsulation (COATING Isolation Voltage Capability) 2500 V COATING Insulation Resistance 1000 MΩ CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 08/20/15 PDF
Документация на серию UltraMOV 

Дата модификации: 20.08.2015

Размер: 1.18 Мб

11 стр.

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