www.vishay.com 19 vj X8R vishay vitramon document number 45006 revision 06-apr-01 features high operating temperature dielectric, up to + 150 c. ideal for extreme environments. multilayer ceramic chip capacitors general specifications note: electrical characteristics @ + 25 c unless otherwise specified. capacitance range: 470pf to 2.2 f. temperature coefficient of capacitance (tcc): 15% from - 55 c to + 150 c. dissipation factor (df): 25v ratings: 3.5% maximum @ 1.0 vrms and 1khz. 50v ratings: 2.5% maximum @ 1.0 vrms and 1khz. ordering information t packaging t = 7" reel, plastic tape c = 7" reel, paper tape r = 11 1/4" reel, plastic tape p = 11 1/4" reel, paper tape b = bulk note: 0402 and 0603 available in paper tape only vj product series vj = mlcc 0805 case size 0603 0805 1206 1210 1812 2225 h dielectric h = X8R expressed in picofarads (pf). the first two digits are significant, the third is a multiplier. example: 102 = 1000pf. 102 capacitance nominal code k capacitance tolerance x termination x = nickel barrier with 100% tin plated finish f = palladium silver a dc voltage rating x = 25v a = 50v a marking a = unmarked j= 5% k= 10% m= 20% insulation resistance (ir): @ + 25 c and rated voltage 100,000 megohms minimum or 1000 ohm-farads, whichever is less. @ + 125 c and rated voltage 10,000 megohms minimum or 100 ohm-farads, whichever is less. dielectric withstanding voltage (dwv): 250% of rated voltage for 5 1 seconds, 50 milliamps current maximum. aging rate: 1% maximum per decade.
www.vishay.com 20 vj X8R vishay vitramon document number 45006 revision 06-apr-01 style e.i.a. type voltage (vdc) 50 25 vj0805 0805 vj1206 1206 vj1210 1210 vj1812* 1812 vj2225* 2225 50 25 25 50 25 50 50 25 cap. code capacitance *see page 61 for soldering recommendations. X8R dielectric 101 121 151 181 221 271 331 391 471 561 681 821 102 122 152 182 222 272 332 392 472 562 682 822 103 123 153 183 223 273 333 393 473 563 683 823 104 124 154 184 224 274 334 394 474 564 684 824 105 125 155 185 225 vj0603 0603 50 25 100pf 120pf 150pf 180pf 220pf 270pf 330pf 390pf 470pf 560pf 680pf 820pf 1000pf 1200pf 1500pf 1800pf 2200pf 2700pf 3300pf 3900pf 4700pf 5600pf 6800pf 8200pf .010 f .012 f .015 f .018 f .022 f .027 f .033 f .039 f .047 f .056 f .068 f .082 f .10 f .12 f .15 f .18 f .22 f .27 f .33 f .39 f .47 f .56 f .68 f .82 f 1.0 f 1.2 f 1.5 f 1.8 f 2.2 f
www.vishay.com 21 vj X8R vishay vitramon document number 45006 revision 06-apr-01 X8R dielectric - typical parameters 15 10 5 0 - 5 - 10 - 15 - 20 % capacitance change - 75- 50 - 25 0 25 50 75 100 125 150 175 temperature c temperature coefficient of capacitance X8R -75 -50 -25 0 25 50 75 100 125 150 175 temperature c 10 5 0 - 5 - 10 - 15 - 20 - 25 - 30 - 35 - 40 % capacitance change X8R x7s temperature coefficient of capacitance X8R vs x7s 10 25 100 150 temperature c minimum insulation resistance vs temperature 10000 1000 100 10 insulation resistance ( ? farads) dissipation factor vs temperature 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 % dissipation factor -75 -50 -25 0 25 50 75 100 125 150 175 temperature c X8R 1 10 100 1000 10000 hours 1.0 0.0 - 1.0 - 2.0 - 3.0 - 4.0 ? c% aging rate
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