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V27RA8 Datasheet(PDF) 2 Page - Littelfuse |
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V27RA8 Datasheet(HTML) 2 Page - Littelfuse |
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2 / 8 page  138 www .littelfuse .com Varistor Products RA 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 275 10to 275 4 to 275 V DC Voltage Range (VM(DC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 to 369 14 to 369 18 to 369 V Transient: Peak Pulse Current (ITM) For 8/20µs Current Wave (See Figure 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 to1200 1000 to 4500 2000 to 6500 A Single Pulse Energy Range (Note 1) For 10/1000µs Current Wave (WTM ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4 to 23 3.5 to 75 70 to 160 J Operating Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125 -55 to -125 -55 to -125 O C Storage Temperature Range (TSTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 150 -55 to 150 -55 to 150 O C Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01 <0.01 <0.01 %/OC Hi-Pot Encapsulation (Isolation Voltage Capability) (Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5000 5000 5000 V Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 1000 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 (Note 1) RA8 SERIES RA16 SERIES RA22 SERIES UNITS Low Profile PART NUMBER BRAND MAXIMUM RATINGS (125 oC) SPECIFICATIONS (25oC) CONTINUOUS TRANSIENT VARISTOR VOLTAGE AT 1mA DC TEST CURRENT MAX CLAMPING VOLTAGE V C AT TEST CURRENT (8/20µs) TYPICAL CAPACI- TANCE VRMS VDC ENERGY (10/1000µs) PEAK CURRENT (8/20µs) VM(AC) VM(DC) WTM ITM MIN VN(DC) MAX VC IP f = 1MHz (V) (V) (J) (A) (V) (V) (V) (V) (A) (pF) † RA8 SERIES V8RA8 8R 4 5.5 0.4 150 6 8.2 11.2 22 5 3000 V12RA8 12R 6 8 0.6 150 9 12 16 34 5 2500 V18RA8 18R 10 14 0.8 250 14.4 18 21.6 42 5 2000 V22RA8 22R 14 18 (Note 3) 10 (Note 2) 250 18.7 22 26 47 5 1600 V27RA8 27R 17 22 1.0 250 23 27 31.1 57 5 1300 V33RA8 33R 20 26 1.2 250 29.5 33 36.5 68 5 1100 V39RA8 39R 25 31 1.5 250 35 39 43 79 5 900 V47RA8 47R 30 38 1.8 250 42 47 52 92 5 800 V56RA8 56R 35 45 2.3 250 50 56 62 107 5 700 V68RA8 68R 40 56 3.0 250 61 68 75 127 5 600 V82RA8 82R 50 66 4.0 1200 74 82 91 135 10 500 V100RA8 100R 60 81 5.0 1200 90 100 110 165 10 400 V120RA8 120R 75 102 6.0 1200 108 120 132 205 10 300 V150RA8 150R 95 127 8.0 1200 135 150 165 250 10 250 V180RA8 180R 115 153 10.0 1200 162 180 198 295 10 200 V200RA8 200R 130 175 11.0 1200 184 200 228 340 10 180 † V220RA8 220R 140 180 12.0 1200 198 220 242 360 10 160 † V240RA8 240R 150 200 13.0 1200 212 240 268 395 10 150 † V270RA8 270R 175 225 15.0 1200 247 270 303 455 10 130 † V360RA8 360R 230 300 20.0 1200 324 360 396 595 10 100 |
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