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V481DA40 Datasheet(PDF) 2 Page - Littelfuse |
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V481DA40 Datasheet(HTML) 2 Page - Littelfuse |
2 / 4 page 87 www .littelfuse .com Varistor Products 2 High Energy Industrial DA/DB Varistor Series Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart Continuous: Steady State Applied Voltage: AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 to 750 V DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 to 970 V Transient: Peak Pulse Current (ITM) For 8/20µs Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40,000 A Single Pulse Energy Range For 2ms Current Square Wave (WTM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 to 1050 J Operating Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85 o C Storage Temperature Range (TSTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125 o C Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01 %/oC Hi-Pot Encapsulation (Isolation Voltage Capability) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5000 V (Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301) 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. Device Ratings and Specifications DA/DB SERIES UNITS PART NUMBER AND DEVICE BRANDING MAXIMUM RATINGS (85 oC) SPECIFICATIONS (25oC) CONTINUOUS TRANSIENT VARISTOR VOLTAGE AT 1mA DC TEST CURRENT MAX CLAMP- ING VOLT VC AT 200A CURRENT (8/20µs) TYPICAL CAPACI- TANCE VRMS VDC ENERGY (2ms) PEAK CURRENT (8/20µs) VM(AC) VM(DC) WTM ITM MIN VN(DC) MAX VC f = 1MHz DA DB (V) (V) (J) (A) (V) (V) (V) (V) (pF) V131DA40 V131DB40 130 175 270 40000 184 200 228 345 10000 V151DA40 V151DB40 150 200 300 40000 212 240 268 405 8000 V251DA40 V251DB40 250 330 370 40000 354 390 429 650 5000 V271DA40 V271DB40 275 369 400 40000 389 430 473 730 4500 V321DA40 V321DB40 320 420 460 40000 462 510 561 830 3800 V421DA40 V421DB40 420 560 600 40000 610 680 748 1130 3000 V481DA40 V481DB40 480 640 650 40000 670 750 825 1240 2700 V511DA40 V511DB40 510 675 700 40000 735 820 910 1350 2500 V571DA40 V571DB40 575 730 770 40000 805 910 1000 1480 2200 V661DA40 V661DB40 660 850 900 40000 940 1050 1160 1720 2000 V751DA40 V751DB40 750 970 1050 40000 1080 1200 1320 2000 1800 NOTE: Average power dissipation of transients not to exceed 2.0W. 1: Peak current applies to applications rated up to 115V . Peak Current is 30kA for applications greater than 115V . 2: Peak current applies to applications rated up to 132V . Peak Current is 30kA for applications greater than 132V . RMS RMS RMS RMS 1 2 |
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