Varistor Metal Oxide Varistor Products Page 108 Varistor Metal-Oxide Varistor Products

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) Radial Lead Varistors > UltraMOV TM 25S Varistor Series UltraMOV 25S Varistor Series for High-Temperature Operating Conditions: Wave Solder Profile Operating Temperature -55C to +85C Storage Temperature -55C to +125C Humidity Aging +85C, 85% RH, 1000 hours +/-10% typical voltage change Thermal Shock +85C to -40C 5 times +/-10% typical voltage change Solvent Resistance MIL-STD-202, Method 215 Moisture Sensitivity Level 1, J-STD-020 Lead Material Copper Clad Steel Wire Soldering Characteristics Solderability per MIL-STD-202, Method 208 Insulating Material Cured, flame retardant epoxy polymer meets UL94V-0 requirements Device Labeling Marked with LF, voltage, UL/CSA Logos, and date code Physical Specifications Environmental Specifications 0 50 100 150 200 250 300 0 0.5 1 1.5 2 2.5 3 3.5 4 TIME(MINUTES) TEMPERATURE (C) Maximum Wave 240C Lead-free Wave Solder Profile 0 50 100 150 200 250 300 0 0.5 1 1.5 2 2.5 3 3.5 4 TIME(MINUTES) TEMPERATURE (C) Maximum Wave 260C Non Lead-free Wave Solder Profile Phenolic coated devices are available with improved maximum operating temperature 125C. These devices also have improved temperature cycling capability. Ratings and specifications are per standard series except Hi-Pot Encapsulation (Isolation Voltage Capability) = 500V. To order: add 'X1347' to part number (e.g. V25S150PX1347). These devices are NOT UL, CSA, CECC or VDE certified.Contact factory for further details. Figure 5 Figure 6

Previous Page
Next Page