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TMOV20RP150M Datasheet(PDF) 3 Page - Littelfuse |
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TMOV20RP150M Datasheet(HTML) 3 Page - Littelfuse |
3 / 8 page Varistor Products ©2011 Littelfuse, Inc. Revision: September 25, 2011 TMOV® and i TMOV® Varistor Series Radial Lead Varistors > TMOV® and iTMOV® Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/tmov.html for current information. Note:TheTMOV®andiTMOV®varistorsareintended, inconjunctionwithappropriateenclosuredesign,to helpfacilitateSPDmodulecompliancetoUL1449,3rd EditionSection39.4(abnormalovervoltagelimitedcurrent requirements).Undertheseextremeabnormalovervoltage conditions,someunitswillexhibitsubstantialheating, arcingandventingpriortoopening.Modulesshouldbe designedtocontainthispossibility.Applicationtestingis stronglyrecommended. Thermal Characteristics * Figure 4:Typical time to open circuit under UL1449 Abnormal Overvoltage Limited CurrentTest 0.1 1 10 10 100100010000 Time(s) 0.125A 0.5A 2.5A 5A Typical For applications exceeding 85˚C ambient temperature, the peak surge current and energy ratings must be reduced as shown in Figure 5. Figure 5: Peak Current & Energy Derating Curve 0 20 40 60 80 100 -555060708090 100 110 120 130 AMBIENT TEMPERATURE (ºC) Current, Energy, Power Derating Curve 100 1000 10000 0.000001 0.000010.0001 0.001 0.01 0.11 10 1001000 10000 Peak Current (A) 175V 150V 140V 130V 320V 300V 275V 250V 230V Figure 6: V-I Characteristic Curves for 14mm Types 420V 385V 115V Maximum Leakage Current Maximum Clamping Voltage 14mm 200V 460V 510V 550V 575V 625V 750V Maximum Clamping Voltage for 14mm Parts Maximum Clamping Voltage for 20mm Parts 100 1000 10000 0.000001 0.00001 0.0001 0.0010.010.1 110 100 1000 10000 Peak Current (A) 175V 150V 140V 130V 320V 275V 250V 230V Figure 7: V-I Characteristic Curves for 20mm Types 420V 385V 115V Maximum Leakage Current Maximum Clamping Voltage 20mm 200V 460V 510V 550V 575V 625V 750V 300V Forapplicationsexceeding85°Cambienttemperature,the peaksurgecurrentandenergyratingsmustbereducedas shownabove. Figure 1 Figure 2 Figure 3 Figure 4 |
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