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p art n umbering s ystem SCK 08 m meritek series element size (diameter in m/m) zero power resistance at 25 o c( ) 2~3 significant digits max steady state current at 25 o c(a) tolerance code l m +15% +20% lead type code blank y straight kinked y package code blank tr bulk tape & reel meritek ntc power thermistors SCK series 10 3 ul e223037 f eatures x high inrush current capacity x small power loss in steady state (normally iw or less than 50w power.) x high thermal and electrical stability x wide selection of electrical characteristics x special coating material: available silicone d imensions : unit: mm disc ? d max l min d p tmax 05 6.5 29 0.8 0.02 4 0.6 5 08 9.5 25 0.8 0.02 5 0.8 5 10 11.5 25 0.8 0.02 5 0.8 5 13 14.5 25 0.8 0.02 7.5 1 6 15 16.5 25 1.0 0.02 7.5 1 6 20 21.5 24 1.0 0.02 7.5 1 6 25 29 25 1.0 0.02 7.5 1 7 30 36 23 1.0 0.02 7.5 1 8 inrush current limiters s pecifications are subject to change without notice. rev.6 a
s pecification s x SCK 05 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK05-052 5 2 429 SCK05-081 8 1 1089 SCK05101 10 1 1126 SCK05-121 12 1 1184 SCK05-20x3 20 0.3 5560 1.8 15 17 -40~+150 x SCK 08 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK08-042 4 2 441 SCK08-04r72 4.7 2 445 SCK08-053 5 3 261 SCK08-063 6 3 283 SCK08-073 7 3 287 SCK08-082 8 2 520 SCK08-102 10 2 542 SCK08-152 15 2 548 SCK08-201 20 1 1544 SCK08-30x 30 0.5 4094 2.3 16 38 -40~+170 x SCK 10 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK10-015 1 5 91 SCK10-1r35 1.3 5 101 SCK10-1r55 1.5 5 120 SCK10-2r55 2.5 5 120 SCK10-035 3 5 119 SCK10-044 4 4 161 SCK10-054 5 4 180 SCK10-6r83 6.8 4 180 SCK10-083 8 3 278 SCK10-103 10 3 297 SCK10-123 12 3 301 SCK10-133 13 3 356 SCK10-152x 15 2.5 442 SCK10-162x 16 2.5 442 SCK10-202 20 2 646 SCK10-222 22 2 646 SCK10-252 25 2 674 SCK10-302 30 2 700 SCK10-472 47 2 720 SCK10-502 50 2 813 SCK10-801 80 1 2236 SCK10-1001 100 1 2318 SCK10-1201 120 1 2406 2.4 17 43 -40~+170 meritek ntc power thermistors SCK series
x SCK 13 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK13-013 1 3 174 SCK13-1r37 1.3 7 70 SCK13-2r56 2.5 6 94 SCK13-045 4 5 132 SCK13-4r74 4.7 4 168 SCK13-055 5 5 166 SCK13-074 7 4 184 SCK13-084 8 4 206 SCK13-104 10 4 217 SCK13-124 12 4 230 SCK13-153 15 3 343 SCK13-163 16 3 348 SCK13-183 18 3 365 SCK13-203 20 3 410 3.1 18 66 -40~+200 x SCK 15 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK15-0r78 0.7 8 51 SCK15-018 1 8 54 SCK15-1r38 1.3 8 64 SCK15-1r58 1.5 8 68 SCK15-028 2 8 78 SCK15-2r58 2.5 8 86 SCK15-037 3 7 91 SCK15-046 4 6 117 SCK15-056 5 6 121 SCK15-065 6 5 159 SCK15-075 7 5 161 SCK15-085 8 5 165 SCK15-105 10 5 178 SCK15-125 12 5 185 SCK15-154 15 4 261 SCK15-164 16 4 265 SCK15-184 18 4 273 SCK15-204 20 4 283 SCK15-224 22 4 308 SCK15-253 25 3 425 SCK15-303 30 3 461 SCK15-333 33 3 484 SCK15-403 40 3 511 SCK15-473 47 3 517 SCK15-802x 80 2.5 693 SCK15-1202 120 2 1010 3.6 21 75 -40~+200 meritek ntc power thermistors SCK series
x SCK 20 10 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK20-0r7 0.7 15 35 SCK20-1r0 1 13 34 SCK20-1r5 1.5 10.5 41 SCK20-2r0 2 10 62 SCK20-2r5 2.5 9 83 SCK20-3r0 3 8.5 78 SCK20-4r0 4 8 80 SCK20-4r7 4.7 7.5 114 SCK20-5r0 5 7.5 118 SCK20-6r0 6 7 120 SCK20-6r8 6.8 6.5 130 SCK20-7r0 7 6.5 132 SCK20-8r0 8 6 161 SCK20-100 10 5.5 196 SCK20-120 12 5 197 SCK20-130 13 5 213 SCK20-150 15 4.5 258 SCK20-160 16 4.5 276 SCK20-180 18 4 280 SCK20-200 20 4 306 4.9 28 113 -40~+200 x SCK 25 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK25-1r0 1 20 20 SCK25-1r5 1.5 18.5 23 SCK25-2r0 2 18 25 SCK25-2r5 2.5 15 32 SCK25-3r0 3 14.5 42 SCK25-4r0 4 14 44 SCK25-4r7 4.7 13 52 SCK25-5r0 5 12 61 SCK25-6r8 6.8 10.5 82 SCK25-7r0 7 10 92 SCK25-8r0 8 9 115 SCK25-100 10 8 141 SCK25-120 12 7.5 164 SCK25-150 15 6.5 210 SCK25-180 18 5.5 231 SCK25-200 20 5 270 7.0 30 130 -40~+200 meritek ntc power thermistors SCK series
x SCK 30 part no zero power resistance at 25 o c ( ? ) max.steady state current at 25 o c ( a ) residual resistance at 25 o c ( m ? ) max. power rating at 25 o c (w) thermal dissipation constant ( mw/ o c ) thermal time constant ( sec. ) operating temperature ( o c ) SCK30-1r0 1 30 16 SCK30-1r5 1.5 25 20 SCK30-2r0 2 23 22 SCK30-2r5 2.5 18 30 SCK30-3r0 3 17 35 SCK30-4r0 4 16 48 SCK30-4r7 4.7 15 55 SCK30-5r0 5 14 57 SCK30-6r8 6.8 12 77 SCK30-7r0 7 11.5 84 SCK30-8r0 8 10.5 100 SCK30-100 10 10 115 SCK30-120 12 9 142 SCK30-150 15 8 175 SCK30-180 18 7 210 SCK30-200 20 6 233 8.0 40 190 -40~+200 meritek ntc power thermistors SCK series

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