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| Varistor Products Radial Lead Varistors > UltraMOVTM 25S Series RoHS UltraMOVTM 25S Varistor Series Description TM Agency Approvals Agency Agency FIle Number Status Features TM Absolute Maximum Ratings Continuous Steady State Applied Voltage: ) ) Transients: TM UltraMOVTM 25S Series Units TM J ) STG ) M 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. (c)2009 (c)2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ultramov25s.html for current information. 95 Revision: July 28, 2009 UltraMOVTM 25S Varistor Series ULTRAMOVTM 25S Series Varistor Products Radial Lead Varistors > UltraMOVTM 25S Series UltraMOVTM 25S Series Ratings & Specifications Maximum Rating (85C) Continuous Transient Peak Surge Energy AC Volts DC Volts Current 2ms 8 x 20s Branding WTM ITM V 1x V 1 x Pulse Pulse (V) (V) (J) (A) Specifications (25C) Varistor Voltage at 1mA DC Test Current V Min (V) V Max Maximum UL 1449 ed.3 Clamping Voltage Voltage at 100A, Protection 8 x 20s Rating V (V) VPR Typical Capacitance f = 1MHz C (pF) Part Number Transient V-I Characteristics Curves Peak Current, Energy and Power Derating Curve Peak Pulse Current Test Waveform for Clamping Voltage 100 100 P E R C E N T O F R A TE D V A L U E 80 60 40 20 0 55 50 60 70 80 90 100 110 120 130 AM BIEN T T EM PER AT U R E (C ) PER C EN T O F PEAK VAL U E 50 0 O1 t t1 t2 T IM E Figure 1 Figure 2 T T2 Example UltraMOVTM 25S Varistor Series 96 Revision: July 28, 2009 2 (c)2008 Littelfuse, Inc. (c)2009 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ultramov25s.html for current information. Varistor Products Radial Lead Varistors > UltraMOVTM 25S Series V-I Limit Curves 10000 625 M a xim u m P e a k Vo lta g e (V ) 460 510 550 750 385 420 440 1000 115 100 0.0 0 0 0 1 130 140 150 175 230 250 275 300 320 0.0 0 0 1 0.0 0 1 0.0 1 0.1 1 P e a k C u rre n t (A ) 10 100 1000 10000 100000 Figure 3 Pulse Rating Curves 100000 1 2 10000 10 1 02 1 03 Peak Current (A) 1000 1 04 1 05 1 06 100 10 1 Figure 4 10 100 Impulse Duration (s) 1000 10000 (c)2009 (c)2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ultramov25s.html for current information. 97 Revision: July 28, 2009 UltraMOVTM 25S Varistor Series ULTRAMOVTM 25S Series Varistor Products Radial Lead Varistors > UltraMOVTM 25S Series Wave Solder Profile Non Lead-free Wave Solder Profile 300 250 TEMPERATURE (C) 200 150 100 50 0 0 0.5 1 1.5 2 2.5 3 3.5 4 Lead-free Wave Solder Profile 300 Maximum Wave 240C TEMPERATURE (C) Maximum Wave 260C 250 200 150 100 50 0 0 0.5 1 1.5 2 2.5 3 3.5 4 Figure 5 TIME(MINUTES) Figure 6 TIME(MINUTES) Physical Specifications Environmental Specifications Operating/Storage Temperature Passive Aging Humidity Aging Lead Material Soldering Characteristics Insulating Material Device Labeling Thermal Shock Solvent Resistance Moisture Sensitivity UltraMOVTM 25S Series Varistors for High-Temperature Operating Conditions: To order: UltraMOVTM 25S Varistor Series 98 Revision: July 28, 2009 (c)2008 Littelfuse, Inc. (c)2009 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ultramov25s.html for current information. Varistor Products Radial Lead Varistors > UltraMOVTM 25S Series Product Dimensions (mm) D A max b min b max D max e min e max e1 min e1 max E max L min L A b e e1 32.5 0.95 1.05 28 11.7 13.7 25.4 E Notes (c)2009 (c)2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ultramov25s.html for current information. 99 Revision: July 28, 2009 UltraMOVTM 25S Varistor Series ULTRAMOVTM 25S Series |
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