8 ac s afety c a p ac i tors johanson dielectrics type sc ceramic chip capacitors are designed for ac voltage surge and lightning protection in line- to-ground interface applications in computer networks, modem, facsimile and other equipment. johansons safety capacitor offering includes four different case sizes and npo and x7r dielectric materials. these devices are surface mount ready with barrier terminations and tape and reel packaging. information on capacitor safety ratings and certification details may be found below. l w t e/b polyterm ? soft termination option for demanding environments & processes available on select parts, please contact the factory. safety rating voltage rating withstanding voltage impulse voltage case size johanson ordering p/n x2/y3 250 vac 1,500 vac 2,500 v 1808 302r29______v3e-****-sc standards : iec 60384-14:2005, en 60950 2001 ? ul 60950-01 certifications : tuv rheinland r 50227900 ? ul file e121609 ? semko 0026092-1 & 0003222-1 y3 250 vac 1,500 vac 2,500 v 1812 302s43______v3e-****-sc standards: iec 60384-14:2005, en 60950:2001 certifications: tuv rheinland r 50227900 x1/y2 250 vac 1,500 vac 5,000 v 1808 502r29______v3e-****-sc standards: iec 60384-14:2005 ? ul 60950-01 certifications: tuv rheinland r 50227900 / ul file e121609 y2 250 vac 1,500 vac 5,000 v 2211 502r30______v3e-****-sc standards: iec 60384-14:2005 ? ul 60950-01 certifications: tuv rheinland r 50227900 ? ul file: e121609 x1/y2 250 vac 1,500 vac 5,000 v 2220 502s47______v3e-****-sc standards: iec 60384-14:2005 ? ul 60950-01 certifications: tuv rheinland r 50227900 ? ul file: e121609 x capacitors are defined as suitable for use in situations where failure of the capacitor would not lead to danger of electric shock. y capacitors are defined as suitable for use in situations where failure of the capacitor could lead to danger of electric shock. www.johanso n dielectrics.com
9 h ow to o rder ac s a f ety c apacitor s p/n written: 302r29w102mv3e- **** -sc 502 r29 w 102 m v 3 e - **** - sc voltage size dielectric capacitance tolerance termination marking packing type 302 = 250vac [2500v impulse] 502 = 250vac [5000v impulse] r29=1808 r30=2211 s43=1812 s47=2220 ac2=2220 n = npo w = x7r 1st two digits are significant; third digit denotes number of zeros, r = decimal. 102 = 1000 pf 104 = 0.10 f 5r0 = 5.0pf j = 5% k = 10% m = 20% v = ni barrier with 100% sn plating (matte) f = polyterm flexible termination 3 = required safety mark e = embossed 7 no code = bulk tape specs. per eia rs481 sc = safety certified ac s afety c a p ac i tors r29 / 1808 x2/y3 inches (mm) .185 .015 (4.80 .38) .080 .010 (2.03 .25) .085 max. (2.16) .020 .010 (0.51.25) l w t e/b inches (mm) .175 .010 (4.45 .25) .125 .010 (3.17 .25) .115 m a x. (2.9 2) .025 .015 (0.64.38 ) l w t e/b s43 / 1812 y3 inches (mm) .185 .015 (4.80 .38) .080 .010 (2.03 .25) .085 max. (2.16) .012 .005 (0.30.13) l w t e/b r29 / 1808 x1/y2 inches (mm) .225 .016 (5.72 .40) .110 .010 (2.80 .25) .115 m a x. (2.9 2) .020 .010 (0.51.25) l w t e/b r30 / 2211 y2 inches (mm) .225 .015 (5.72 .38 .200 .015 (5.08 .38) .150 max. (3.81) .025 .015 (0.64.38) l w t e/b s47 / 2220 x1/y2 dielectric npo x7r s afety c ert i f i ed 5 pf 10 pf 12 pf 15 pf 18 pf 22 pf 27 pf 33 pf 47 pf 56 pf 68 pf 100 pf 120 pf 150 pf 180 pf 220 pf 270 pf 330 pf 470 pf 560 pf 680 pf 1000 pf 1200 pf 1500 pf 1800 pf 2200 pf 2700 pf 3300 pf 4700 pf www.johanso n dielectrics.com
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