specifications product varistor type gnr34b k model citation revision b01 total pages 4 page 1/4 released date feb. 06, 2002 revision history no rev. date dcr no. description of change rev. 1 feb. 06,2002 new release b01 2 3 4 5 6 7 8 9 10 11 12 approved by checked by edited by yu-chang huang cloud chen andy chiang
type gnr34b k model page 2/4 citation date feb. 06, 2002 subject quality approval and structure rev. b01 1. quality system approval iso9001 certificate of approval no.97-hou-aq-1382 2. structure no. item description 2.1 main material zinc oxide 2.2 package material plastic 2.3 marking gnr, part number 2.4 appearance without dirt and crack, marking should be clear h1 55.0 h2 5.0 t1 14.0 t2 4.3 w1 60.0 w2 51.0 0.5 w3 40.0 0.5 w4 24.0 w5 12.0 2.5 dimensions unit: mm
type gnr34b k model page 3/4 citation date feb. 06, 2002 subject electrical characteristics rev. b01 3. electrical characteristics n0. item performance test methods 3.0 standard conditions unless otherwise specified, all tests are made under environmental conditions as given below: temperature: 5 ? 35 relative humidity: 45 ? 85 % rh 3.1 maximum allowable voltage ac : vrms dc : v maximum continuous sine wave(rms) or dc voltage which may be applied. 3.2 varistor voltage v 1ma : v voltage across the varistor measured at c ma dc. 3.3 varistor voltage temperature coefficient 0 ? ? ? ? ? 0.05 %/ v cma at 85 v cma at 25 1 v cma at 25 60 3.4 max. clamping voltage v at a peak voltage across the varistor with a specified peak impulse current of 8 20 s waveform. 3.5 rated power w maximum 50 ? 60hz power which may be loaded for 1,000 hrs at 85 2 with v cma / v cma Q 10%. the max. current within the varistor voltage change of less than 10% when one impulse current (8 20 s) applied. 3.6 withstanding surge current a the max. current with a varistor voltage change of less than 10% when two times impulse current (8 20 s) are applied at intervals of 5 minutes. 3.7 energy joule the max. energy absorbed with a varistor voltage change of less than 10% when one impulse(2ms) is applied. 3.8 typical capacitance pf capacitance shall be measured at 1 khz 10%,1 vrms max. 0v bias and 20 2 see page 4 100
type gnr34b k model page 4/4 citation date feb. 06, 2002 subject electrical characteristics rev. b01 maximum allowable voltage varistor voltage clamping voltage (max.) rated wattage (max.) surge current (8/20 s) maximum energy (2ms) typical capacitance i tm (a) part number ac rms (v) dc(v) (v) (v) ip(a) (w) 1 time 2 times w tm (joule) pf 34b330k 20 26 30 ? 34b390k 25 31 35 ? 34b470k 30 38 42 ? 34b560k 35 45 50 ? 34b680k 40 56 61 ? 34b820k 50 65 74 ? 34b101k 60 85 90 ? 34b121k 75 100 108 ? 34b151k 95 125 135 ? 34b181k 115 150 162 ? 34b201k 130 170 185 ? 34b221k 140 180 198 ? 34b241k 150 200 216 ? 34b271k 175 225 247 ? 34b301k 190 250 270 ? 34b331k 210 275 297 ? 34b361k 230 300 324 ? 34b391k 250 320 351 ? 34b431k 275 350 387 ? 34b471k 300 385 423 ? 34b511k 320 410 459 ? 34b561k 350 460 504 ? 34b621k 385 505 558 ? 34b681k 420 560 612 ? 34b751k 460 615 675 ? 34b781k 485 640 702 ? 34b821k 510 670 738 ? 34b911k 550 745 819 ? 34b951k 575 765 855 ? 34b102k 625 825 900 ? 34b112k 680 895 990 ? 34b122k 750 990 1155 ? 34b142k 880 1140 1310 ? 34b162k 1000 1280 1700 ?
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