www.vishay.com 31 vj high q dielectric vishay vitramon document number 45050 revision 06-apr-01 features cog is an ultra-stable dielectric offering a temperature coefficient of capacitance (tcc) of 0 30ppm/ c over the entire temperature range. low dissipation factor (df). ideal for critical timing and tuning applications. multilayer ceramic chip capacitors general specifications note: electrical characteristics @ + 25 c unless otherwise specified. capacitance range: 1.0pf to 680pf. temperature coefficient of capacitance (tcc): 0 30ppm/ c from - 55 c to + 125 c. dissipation factor (df): 0.1% maximum @ 1.0 vrms and 1khz for values > 1000pf. 0.1% maximum @ 1.0 vrms at 1mhz for values 1000pf. 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. 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 q dielectric q = high q expressed in picofarads (pf). the first two digits are significant, the third is a multiplier. an r indicates a decimal point. examples: 102 = 1000pf. 1r8 = 1.8pf. 102 capacitance nominal code k capacitance tolerance c= 0.25pf (1 to 25pf) d= 0.5pf (1 to 50pf) f= 1% ( 10pf) g= 2% ( 5pf) j= 5% ( 2pf) k= 10% ( 1pf) x termination x = nickel barrier with 100% tin plated finish f = palladium silver a dc voltage rating a = 50v b = 100v c = 200v a marking a = unmarked
www.vishay.com 32 vj high q dielectric vishay vitramon document number 45050 revision 06-apr-01 high q dielectric style e.i.a. type voltage (vdc) vj1210 1210 vj1206 1206 50 vj0603 0603 100 vj0805 0805 100 200 capacitance pf 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 50 100 200 50 100 200 50 capacitance code 1r0 1r2 1r5 1r8 2r2 2r7 3r3 3r9 4r7 5r6 6r8 8r2 100 120 150 180 220 270 330 390 470 560 680 820 101 121 151 181 221 271 331 391 471 561 681 821
www.vishay.com 33 vj high q dielectric vishay vitramon document number 45050 revision 06-apr-01 high q - dielectric typical parameters 1 0.1 0.01 100 1000 180pf 680pf -75 -50 -25 0 25 50 75 100 125 10000 1000 100 10 1 100 1000 10 1 0.1 1 10 100 1000 2.0 1.5 1.0 0.5 0.0 - 0.5 - 1.0 - 1.5 - 2.0 high q 1210 0805 temperature coefficient of capacitance % capacitance change resonant frequency (ghz) temperature c capacitance (pf) series resonant frequency - high q 0603 1206 100pf 10pf 1000 100 10 100 1000 680pf 180pf 100 1000 10000 1000 100 10 1 10pf 100pf 1 0.1 0.01 100 1000 esr vs frequency - vj0805, 50v 10pf 100pf 1 0.1 0.01 100 1000 10pf 100pf esr vs frequency - vj1206, 50v frequency (mhz) frequency (mhz) esr vs frequency - vj1210, 50v esr ( ? ) esr ( ? ) esr ( ? ) q vs frequency - vj0805, 50v q frequency (mhz) q vs frequency - vj1206, 50v q frequency (mhz) q vs frequency - vj1210, 50v q frequency (mhz) frequency (mhz)
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