SCK NTC Power Thermistors Series MERITEK Inrush Current Limiters UL E223037 FEATURES x x x x x High inrush current capacity Small power loss in steady state (Normally IW or less than 50W power.) High thermal and electrical stability Wide selection of electrical characteristics Special coating material: available silicone PART NUMBERING SYSTEM SCK Meritek Series Element Size (Diameter in m/m) 08 10 3 M Zero power resistance at 25 oC() 2~3 significant digits Max steady state current at 25 oC(A) Tolerance CODE L +15% M +20% Lead Type CODE Blank Straight Y Kinked Y Package CODE Blank Bulk TR Tape & Reel DIMENSIONS: Unit: mm Disc O 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 rev.6a Specifications are subject to change without notice. SCK NTC Power Thermistors Series MERITEK SPECIFICATIONS x SCK 05 Part No Zero Power Resistance at 25oC ( ) Max.Steady State Current at 25 oC ( A ) Residual Max. Power o Resistance rating at 25 C at 25 oC ( m ) (W) SCK05-052 5 2 429 SCK05-081 SCK05101 SCK05-121 SCK05-20X3 8 10 12 20 1 1 1 0.3 1089 1126 1184 5560 1.8 Thermal Dissipation Constant ( mW/ oC ) 15 Thermal Operating Time Constant Temperature ( Sec. ) (o C ) 17 -40~+150 x SCK 08 Part No Zero Power Resistance at 25oC ( ) SCK08-042 SCK08-04R72 SCK08-053 SCK08-063 SCK08-073 SCK08-082 SCK08-102 SCK08-152 SCK08-201 SCK08-30X Max.Steady State Current at 25 oC ( A ) Residual Max. Power o Resistance rating at 25 C o at 25 C ( m ) (W) 4 2 441 4.7 5 2 3 445 261 6 7 8 10 15 20 30 3 3 2 2 2 1 0.5 283 287 520 542 548 1544 4094 2.3 Thermal Dissipation Constant ( mW/ oC ) 16 Thermal Operating Time Constant Temperature ( Sec. ) (o C ) 38 -40~+170 x SCK 10 Part No SCK10-015 Zero Power Resistance o at 25 C ( ) Max.Steady State Current o at 25 C ( A ) Residual Max. Power Resistance rating at 25 oC o at 25 C ( m ) (W) 1 5 91 SCK10-1R35 SCK10-1R55 1.3 1.5 5 5 101 120 SCK10-2R55 SCK10-035 SCK10-044 SCK10-054 SCK10-6R83 SCK10-083 SCK10-103 SCK10-123 SCK10-133 2.5 3 4 5 6.8 8 10 12 13 5 5 4 4 4 3 3 3 3 120 119 161 180 180 278 297 301 356 SCK10-152X 15 2.5 442 SCK10-162X SCK10-202 SCK10-222 SCK10-252 SCK10-302 SCK10-472 SCK10-502 SCK10-801 SCK10-1001 SCK10-1201 16 20 22 25 30 47 50 80 100 120 2.5 2 2 2 2 2 2 1 1 1 442 646 646 674 700 720 813 2236 2318 2406 2.4 Thermal Dissipation Constant o ( mW/ C ) 17 Thermal Operating Time Constant Temperature o ( Sec. ) (C ) 43 -40~+170 SCK NTC Power Thermistors Series MERITEK x SCK 13 Part No Zero Power Resistance at 25oC ( ) SCK13-013 Max.Steady State Current at 25 oC ( A ) Residual Max. Power o Resistance rating at 25 C at 25 oC ( m ) (W) 1 3 174 SCK13-1R37 SCK13-2R56 SCK13-045 SCK13-4R74 SCK13-055 SCK13-074 SCK13-084 SCK13-104 SCK13-124 1.3 2.5 4 4.7 5 7 8 10 12 7 6 5 4 5 4 4 4 4 70 94 132 168 166 184 206 217 230 SCK13-153 SCK13-163 SCK13-183 SCK13-203 15 16 18 20 3 3 3 3 343 348 365 410 3.1 Thermal Dissipation Constant ( mW/ oC ) 18 Thermal Operating Time Constant Temperature ( Sec. ) (o C ) 66 -40~+200 x SCK 15 Part No Zero Power Resistance o at 25 C ( ) Max.Steady State Current o at 25 C ( A ) Residual Max. Power Resistance rating at 25 oC o at 25 C ( m ) (W) SCK15-0R78 0.7 8 51 SCK15-018 SCK15-1R38 1 1.3 8 8 54 64 SCK15-1R58 SCK15-028 SCK15-2R58 SCK15-037 SCK15-046 SCK15-056 SCK15-065 SCK15-075 SCK15-085 1.5 2 2.5 3 4 5 6 7 8 8 8 8 7 6 6 5 5 5 68 78 86 91 117 121 159 161 165 SCK15-105 SCK15-125 SCK15-154 SCK15-164 SCK15-184 SCK15-204 SCK15-224 SCK15-253 10 12 15 16 18 20 22 25 5 5 4 4 4 4 4 3 178 185 261 265 273 283 308 425 SCK15-303 SCK15-333 SCK15-403 SCK15-473 SCK15-802X SCK15-1202 30 33 40 47 80 120 3 3 3 3 2.5 2 461 484 511 517 693 1010 3.6 Thermal Dissipation Constant o ( mW/ C ) 21 Thermal Operating Time Constant Temperature o ( Sec. ) (C ) 75 -40~+200 SCK NTC Power Thermistors Series MERITEK x SCK 20 10 Part No Zero Power Resistance at 25oC ( ) Max.Steady State Current at 25 oC ( A ) Residual Max. Power o Resistance rating at 25 C at 25 oC ( m ) (W) SCK20-0R7 0.7 15 35 SCK20-1R0 SCK20-1R5 1 1.5 13 10.5 34 41 SCK20-2R0 SCK20-2R5 SCK20-3R0 SCK20-4R0 SCK20-4R7 SCK20-5R0 SCK20-6R0 SCK20-6R8 SCK20-7R0 2 2.5 3 4 4.7 5 6 6.8 7 10 9 8.5 8 7.5 7.5 7 6.5 6.5 62 83 78 80 114 118 120 130 132 SCK20-8R0 8 6 161 SCK20-100 SCK20-120 SCK20-130 SCK20-150 SCK20-160 SCK20-180 SCK20-200 10 12 13 15 16 18 20 5.5 5 5 4.5 4.5 4 4 196 197 213 258 276 280 306 4.9 Thermal Dissipation Constant ( mW/ oC ) 28 Thermal Operating Time Constant Temperature ( Sec. ) (o C ) 113 -40~+200 x SCK 25 Part No Zero Power Resistance at 25oC ( ) Max.Steady State Current at 25 oC ( A ) Residual Max. Power Resistance rating at 25 oC o at 25 C ( m ) (W) SCK25-1R0 1 20 20 SCK25-1R5 SCK25-2R0 1.5 2 18.5 18 23 25 SCK25-2R5 SCK25-3R0 SCK25-4R0 SCK25-4R7 SCK25-5R0 SCK25-6R8 SCK25-7R0 SCK25-8R0 SCK25-100 2.5 3 4 4.7 5 6.8 7 8 10 15 14.5 14 13 12 10.5 10 9 8 32 42 44 52 61 82 92 115 141 SCK25-120 12 7.5 164 SCK25-150 SCK25-180 SCK25-200 15 18 20 6.5 5.5 5 210 231 270 7.0 Thermal Dissipation Constant ( mW/ oC ) 30 Thermal Operating Time Constant Temperature ( Sec. ) (o C ) 130 -40~+200 SCK NTC Power Thermistors Series MERITEK x SCK 30 Part No Zero Power Resistance at 25oC ( ) Max.Steady State Current at 25 oC ( A ) Residual Max. Power o Resistance rating at 25 C at 25 oC ( m ) (W) SCK30-1R0 1 30 16 SCK30-1R5 SCK30-2R0 1.5 2 25 23 20 22 SCK30-2R5 SCK30-3R0 SCK30-4R0 SCK30-4R7 SCK30-5R0 SCK30-6R8 SCK30-7R0 SCK30-8R0 SCK30-100 2.5 3 4 4.7 5 6.8 7 8 10 18 17 16 15 14 12 11.5 10.5 10 30 35 48 55 57 77 84 100 115 SCK30-120 12 9 142 SCK30-150 SCK30-180 SCK30-200 15 18 20 8 7 6 175 210 233 8.0 Thermal Dissipation Constant ( mW/ oC ) 40 Thermal Operating Time Constant Temperature ( Sec. ) (o C ) 190 -40~+200