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V481DB40 Datasheet(PDF) 3 Page - Littelfuse |
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V481DB40 Datasheet(HTML) 3 Page - Littelfuse |
3 / 4 page Varistor Products Revision: October 29, 2009 ©2009 Littelfuse, Inc. DA/DB Varistor Series Industrial High Energy Terminal Varistors > DA/DB Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/da or /db.html for current information. Repetitive Surge Capability Maximum Clamping Voltage V131DA40 - V751DA40 and V131DB40 - V751DB40 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10-2 10-1 100 101 102 103 104 105 MAXIMUM CLAMPING VOLTAGE DISC SIZE 40mm 130 TO 750 VM(AC) RATING TA = -55oC to 85oC V421DA/DB40 V151DA/DB40 V751DA/DB40 PEAK AMPERES (A) V131DA/DB40 V321DA/DB40 V271DA/DB40 V251DA/DB40 V511DA/DB40 V481DA/DB40 V571DA/DB40 V661DA/DB40 2,000 Operating/Storage Temperature -55°C to +85°C/ -55°C to +125°C Humidity Aging +85°C, 85% RH, 1000 hours +/- 5% typical resistance change Thermal Shock +85°C to -40°C 10 times +/- 5% typical resistance change Solvent Resistance MIL–STD–202, Method 215F Moisture Sensitivity Level 1, J–STD–020C Lead Material DA - Copper, Tin–plated DB - Brass, Tin–plated Insulating Material Cured, flame retardant epoxy polymer meets UL94V–0 requirements. Device Labeling Marked with LF, part number and date code Physical Specifications Environmental Specifications NOTE: If pulse ratings are exceeded, a shift of V N(DC) (at specified current) of more than +/-10% could result. This type of shift, which normally results in a decrease of V N(DC), may result in the device not meeting the original published specifications, but it does not prevent the device from continuing to function, and to provide ample protection. V131DA40 - V751DA40 and V131DB40 - V751DB40 Figure 3 Figure 4 DISC SIZE 40mm V131DA40 - V751DA40 50,000 20,000 10,000 5,000 2,000 1,000 500 200 100 50 20 10 20 100 1,000 10,000 IMPULSE DURATION (μs) V131DB40 - V751DB40 2 1 INDEFINITE 104 103 102 105 106 10 |
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