14 www.johansondielectrics.com h ow to o rder tanceram ? p/n written: 250r18y105zv4e tape modifier code type reel e plastic 7? t paper 7? tape specifications conform to eia rs481 e marking 4 = unmarked 4 termination v = ni barrier w/ 100% sn plating v dielectric w = x7r x = x5r y = y5v y case size see chart r18 voltage 500 = 50 v 250 = 25 v 160 = 16 v 100 = 10 v 6r3 = 6.3 v 250 capacitance 1st two digits are significant; third digit denotes number of zeros. 474 = 0.47 f 105 = 1.00 f 105 tolerance y5v z = +80% -20% x7r/x5r k = 10% m = 20% z t anceram ? c hip c apacitors tanceram ? chip capacitors can replace tantalum capacitors in many applications and offer several key advantages over traditional tantalums. because tanceram ? capacitors exhibit extremely low esr, equivalent circuit performance can often be achieved using considerably lower capacitance values. low dc leakage reduces current drain, extending the battery life of portable products. tancerams ? high dc breakdown voltage ratings offer improved reliability and eliminate large voltage de-rating common when designing with tantalums. a dvantages ? low esr ? low dc leakage ? higher surge voltage ? non-polarized devices ? reduced chip size ? improved reliability ? higher insulation resistance ? higher ripple current a pplications ? switching power supply smoothing (input/output) ? backlighting inverters ? dc/dc converter smoothing (input/output) ? general digital circuits 0.01 0.1 1 10 0.001 0.01 0.1 1 10 10 0 esr (ohms) frequency (mhz) typical esr comparison 1.0 f / 16v tantalum 1.0 f / 16v tanceram ? 0% 25% 50% 75% 100% 0 100 200 300 400 50 0 % distribution dc breakdown voltage typical breakdown voltage comparison 1.0 f / 16v tantalum 1.0 f / 16v tanceram ?
15 www.johansondielectrics.com x7r x5r y5v temperature coefficient: 15% (-55 to +125c) 15% (-55 to +85c) +22%, -82% (-30 to +85c) dissipation factor: for 50 vdc: 5% max. for 25 vdc: 10% max. for 50 vdc: 5% max. for 25 vdc: 10% max. for 10 vdc: 16% max. for 6.3 vdc: 20% max. insulation resistance (min. @ 25c, wvdc) 100 f or 10 g , whichever is less dielectric strength: 2.5 x wvdc, 25c, 50ma max. test conditions: capacitance values 22 f: 1.0khz50hz @ 1.00.2 vrms capacitance values > 22 f: 120hz10hz @ 0.5v0.1 vrms other: see page 18 for additional dielectric specifications. t anceram ? c hip c apacitors c apacitance s election c ase s ize vdc 1.0 f 2.2 f 4.7 f 10 f 22 f 47 f 100 f 10 * 6.3 ? * 25 * 16 * **** 10 ?? 6.3 25 ?? 16 ?? ?? * ? 10 * ?? 6.3 ?? 25 ?? * ? 16 ??? 10 ?? ? 6.3 ? 50 ?? 25 *** ? 16 ???? 10 * ? 6.3 ?? 100 50 16 ? 6.3 dielectric code wx ywx ywx ywx ywx ywx ywx y * = new part ? = high volume inches (mm) .040 .004 (1.02 .10) .020 .004 (0.51 .10) .025 max. (0.64) .008 .004 (0.20.10) l w t e/b inches (mm) .080 .010 (2.03 .25) .050 .010 (1.27 .25) .060 max. (1.52) .020.010 (0.51.25 ) l w t e/b inches (mm) .063 .008 (1.60 .20) .032 .008 (0.81 .20) .035 max. (0.89) .010.005 (.25.13) l w t e/b inches (mm) .125 .010 (3.17 .25) .062 .010 (1.57 .25) .070 max. (1.78) .020 +.015-0.01 (0.51+.38-.25) l w t e/b inches (mm) .125 .010 (3.18 .25) .095 .010 (2.41 .25) .110 max. (2.8) .020 +.015-.010 (0.51+.38-.25) l w t e/b 0805 r15 0603 r14 0402 r07 1206 r18 1210 s41 e lectrical c haracteristics l w t e/b dielectric w (x7r) x (x5r) y (y5v) inches (mm) .175 .010 (4.45 .25) .125 .010 (3.17 .25) .140 max. (3.55) .035 .020 (0.89 0.51) l w t e/b 1812 s43
|
