Surface Mount NTC Thermistors NCT Series FEATURES • NEGATIVE TEMPERATURE COEFFICIENT • FAST RESPONSE TO TEMPERATURE VARIATIONS MAKE THEM RoHS IDEALLY FOR TEMPERATURE SENSORS AND COMPENSATORS Compliant • STANDARD EIA 0402, 0603 AND 0805 SIZES includes all homogeneous materials • NICKEL BARRIER SOLDER PLATE TERMINATIONS • TAPE AND REEL FOR AUTOMATIC MOUNTING *See Part Number System for Details CHARACTERISTICS AND PERFORMANCE Series EIA Size Resistance Range (+25°C) Resistance Tolerance (+25°C) Operating Temperature Range Storage Temperature Range Maximum Power Rating (JIS-C2570)* Dissipation Factor Thermal Time Constant NCT04 0402 120W ~ 820KW NCT06 NCT08 0603 0805 82W ~ 1.6MW 47W ~ 470KW 1% (F), ±2% (G), ±3% (H), 5% (J), 10% (K) -40°C ~ +125°C -40°C ~ +125°C 110mW 120mW 130mW <1.5mW/°C (power to heat thermistor 1°C, measured at 25°C) Within 5 seconds (time to change 63.2% from initial to stable) D = +25°C ~ +50°C Functional Beta Temperature Range A = +25°C ~ +85°C E = +25°C ~ +100°C Beta Value Range 2410K ~ 4800K Beta Value Tolerance ±1% (F), ±2% (G), ±3% (H), ±5% (J) Resistance to Soldering Heat +260°C ± 5°C for 10 ±1 seconds High Temperature Stability +125°C ± 3°C for 1,000 hours, ∆R ±3%, ∆Beta ±2% Low Temperature Stability -40°C ± 3°C for 1,000 hours, ∆R ±3%, ∆Beta ±2% Humidity +85°C ± 2°C, 85% ±5% RH for 1,000 hours, ∆R ±3%, ∆Beta ±2% 100 cycles of -40°C ±3°C 30 min., +20°C 3 min., +125°C ±3°C 30 min., +20°C 30 min. Temperature Cycliing ∆R ±3%, ∆Beta ±2% *JIS-C2570: Maximum power for continuous load at 25°C. DIMENSIONS (mm) Series NCT04 EIA Size 0402 L 1.0 ± 0.05 W 0.50 ± 0.05 T max. 0.40 P 0.25 +0.05/-0.10 NCT06 0603 1.6 ± 0.15 0.80 ± 0.15 0.60 0.30 ± 0.20 NCT08 0805 2.0 ± 0.20 1.25 ± 0.20 0.65 0.40 ± 0.20 Termination Material Ag -Pd Base Termination Ni Barrier 100% Sn Finish STANDARD RESISTANCE VALUES (@25°C) AND BETA RANGE* Beta Value 4610 ~ 4800K 4410 ~ 4600K 4210 ~ 4400K 4010 ~ 4200K 3810 ~ 4000K 3610 ~ 3800K 3410 ~ 3600K 3210 ~ 3400K 3010 ~ 3200K 2810 ~ 3000K 2610 ~ 2800K 2410 ~ 2600K NCT04 (0402) NCT06 (0603) NCT08 (0805) 75K ~ 820K 24K ~ 470K 9.1K ~ 110K 7.5K ~ 100K 3.6K ~ 62K 2K ~ 30K 1.8K ~ 30K 2.4K ~ 22K 1.1K ~ 10K 560 ~ 5.1K 270 ~ 2.4K 120 ~ 1.2K 47K ~ 1.6M 15K ~ 910K 6.2K ~ 200K 4.7K ~ 200K 2.4K ~ 110K 1.2K ~ 56K 1.1K ~ 56K 1.5K ~ 43K 750 ~ 20K 360 ~ 10K 160 ~ 4.7K 82 ~ 2.2K 24K ~ 470K 8.2K ~ 430K 3K ~ 91K 2.7K ~ 91K 1.2K ~ 51K 620 ~ 27K 620 ~ 27K 750 ~ 18K 390 ~ 9.1K 180 ~ 4.3K 100 ~ 2K 47 ~ 1K E-24 Standard Values 1.0 1.3 1.8 2.4 3.3 4.3 5.6 7.5 1.1 1.5 2.0 2.7 3.6 4.7 6.2 8.2 1.2 1.6 2.2 3.0 3.9 5.1 6.8 9.1 T W P L *Beta can be ordered in increments of 10 (ex. 2610, 2620, 2630, etc.) PART NUMBER SYSTEM NCT06 D J 154 H 410 TR F Series 1 RoHS compliant Packaging, TR: Tape and Reel Beta Code (1st Three Characters of Beta Value) Beta Value Tolerance: J=±5%, H=±3%, G=±2%, F=±1% Resistance Value Code (E-24 Standard Values) Resistance Value Tolerance: K+±10%, J=±5%, H=±3%, G=±2%, F=±1% Temperature Characteristic (D=+25°C ~ +50°C, A=+25°C ~ +85°C, E+25°C ~ +100°C) NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com SPECIFICATIONS ARE SUBJECT TO CHANGE www.SMTmagnetics.com Surface Mount NTC Thermistors NCT Series R-T TABLES FOR 1K, 10K AND 100K OHM* R:1KW R:1KW R:1KW R:10KW R:10KW B:2750K B:3000K B:3200K B:3450K B:3700K -40 11,290 14,270 17,200 217,300 274,600 -35 9,012 11,130 13,180 162,800 201,100 -30 7,248 8,761 10,200 123,300 149,000 -25 5,872 6,953 7,959 94,240 111,600 -20 4,791 5,561 6,265 72,720 84,410 -15 3,935 4,481 4,972 56,620 64,470 -10 3,253 3,636 3,976 44,450 49,690 -5 2,705 2,971 3,202 35,170 38,630 0 2,262 2,443 2,597 28,040 30,280 5 1,902 2,020 2,120 22,520 23,920 10 1,608 1,681 1,742 18,210 19,040 15 1,366 1,406 1,440 14,820 15,260 20 1,166 1,183 1,197 12,140 12,310 25 1,000 1,000 1,000 10,000 10,000 30 861 850 840 8,286 8,172 35 745 725 709 6,903 6,718 40 647 622 602 5,782 5,554 45 564 535 513 4,867 4,617 50 494 463 439 4,116 3,858 55 434 402 378 3,498 3,240 60 382 350 326 2,986 2,734 65 338 306 283 2,560 2,318 70 300 269 246 2,203 1,974 75 267 237 215 1,904 1,688 80 238 209 188 1,652 1,450 85 213 185 166 1,439 1,251 90 192 165 146 1,258 1,083 95 172 147 129 1,103 941 100 156 132 115 971 821 105 141 118 102 858 718 110 128 106 92 760 631 115 116 96 82 675 556 120 106 87 74 602 492 125 97 79 66 538 436 *R-T tables available for other resistance/beta values upon request Temp (°C) LAND PATTERN DIMENSIONS (mm) Type NCT04 NCT06 NCT08 EIA Size 0402 0603 0805 A 0.50 0.9 1.35 B 1.3 2.6 3.45 C 0.5 0.7 1.1 R:10KW B:3900K 331,000 238,200 173,400 127,700 95,100 71,530 54,330 41,640 32,200 25,100 19,730 15,620 12,450 10,000 8,082 6,573 5,378 4,426 3,663 3,047 2,548 2,141 1,808 1,533 1,306 1,118 960 828 717 623 544 476 418 368 300°C R:10KW B:4100K 399,100 282,000 201,800 146,200 107,100 79,370 59,400 44,890 34,240 26,340 20,440 15,990 12,600 10,000 7,993 6,432 5,208 4,243 3,477 2,866 2,375 1,978 1,656 1,392 1,177 999 852 729 627 541 469 407 355 311 R:100KW B:4500K 5,802,000 3,954,000 2,734,000 1,916,000 1,360,000 977,100 710,000 521,600 387,100 290,100 219,400 167,500 128,900 100,000 78,180 61,580 48,840 39,000 31,350 25,350 20,620 16,880 13,880 11,480 9,548 7,978 6,698 5,649 4,785 4,072 3,479 2,984 2,570 2,222 R:100KW B:4700K 6,995,000 4,682,000 3,182,000 2,193,000 1,532,000 1,084,000 776,300 562,200 411,600 304,400 227,400 171,400 130,400 100,000 77,320 60,250 47,300 37,390 29,760 23,840 19,220 15,590 12,720 10,430 8,601 7,130 5,940 4,972 4,182 3,533 2,998 2,554 2,186 1,877 PEAK REFLOW SOLDERING CONDITIONS 260°C 20 ~ 40 Sec. 250°C 217°C 200°C 60 ~ 150 Sec. 150°C 100°C C R:100KW B:4300K 4,812,000 3,339,000 2,349,000 1,674,000 1,207,000 880,600 649,400 483,900 364,000 276,400 211,800 163,600 127,400 100,000 79,050 62,930 50,440 40,680 33,020 26,950 22,130 18,270 15,160 12,650 10,600 8,927 7,552 6,417 5,476 4,692 4,037 3,486 3,022 2,630 60 ~ 180 Sec. 50°C 0°C A B 2 NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com SPECIFICATIONS ARE SUBJECT TO CHANGE www.SMTmagnetics.com Surface Mount NTC Thermistors NCT Series CARRIER TAPE DIMENSIONS (mm) Type A B NCT04 0.65 ±0.10 1.15 ±0.10 W NCT06 1.10 ±0.20 1.90 ±0.20 NCT08 1.65 ±0.20 2.40 ±0.20 8.00 ±0.20 F 3.50 ±0.05 E 1.75 ±0.10 P1 P2 2.00 ±0.05 N/A 4.00 ±0.05 2.00 ±0.05 NCT04 φD 4.00 ±0.10 1.55 ±0.05 T1 T2 0.50 max. 1.00 max. 1.00 max. 1.40 max. NCT06 & NCT08 φD P0 t1 φD P0 P0 P2 t1 F A F W W B B P1 A t2 P1 t2 REEL DIMENSIONS (mm) AND QUANTITY Type A +0/-3 B +1/-0 C ±0.20 W ±0.3 180 60 13 9.0 NCT04 NCT06 Quantity 10,000 NCT08 5,000 E C B D W A 3 NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com SPECIFICATIONS ARE SUBJECT TO CHANGE www.SMTmagnetics.com