1
NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
FEATURES
• NEGATIVE TEMPERATURE COEFFICIENT
• FAST RESPONSE TO TEMPERATURE VARIATIONS MAKE THEM
IDEALLY FOR TEMPERATURE SENSORS AND COMPENSATORS
• STANDARD EIA 0402, 0603 AND 0805 SIZES
• NICKEL BARRIER SOLDER PLATE TERMINATIONS
• TAPE AND REEL FOR AUTOMATIC MOUNTING
CHARACTERISTICS AND PERFORMANCE
DIMENSIONS (mm)
Series NCT04 NCT06 NCT08
EIA Size 0402 0603 0805
Resistance Range (+25°C) 120Ω ~ 820KΩ82Ω ~ 1.6MΩ47Ω ~ 470KΩ
Resistance Tolerance (+25°C) 1% (F), ±2% (G), ±3% (H), 5% (J), 10% (K)
Operating Temperature Range -40°C ~ +125°C
Storage Temperature Range -40°C ~ +125°C
Maximum Power Rating (JIS-C2570)* 110mW 120mW 130mW
Dissipation Factor <1.5mW/°C (power to heat thermistor 1°C, measured at 25°C)
Thermal Time Constant Within 5 seconds (time to change 63.2% from initial to stable)
Functional Beta Temperature Range
D = +25°C ~ +50°C
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, ΔR ±3%, ΔBeta ±2%
Low Temperature Stability -40°C ± 3°C for 1,000 hours, ΔR ±3%, ΔBeta ±2%
Humidity +85°C ± 2°C, 85% ±5% RH for 1,000 hours, ΔR ±3%, ΔBeta ±2%
Temperature Cycliing 100 cycles of -40°C ±3°C 30 min., +20°C 3 min., +125°C ±3°C 30 min., +20°C 30 min.
ΔR ±3%, ΔBeta ±2%
Series EIA Size L W T max. P
NCT04 0402 1.0 ± 0.05 0.50 ± 0.05 0.40 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
Surface Mount NTC Thermistors NCT Series
Beta Value NCT04 (0402) NCT06 (0603) NCT08 (0805) E-24 Standard
Values
4610 ~ 4800K 75K ~ 820K 47K ~ 1.6M 24K ~ 470K
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
4410 ~ 4600K 24K ~ 470K 15K ~ 910K 8.2K ~ 430K
4210 ~ 4400K 9.1K ~ 110K 6.2K ~ 200K 3K ~ 91K
4010 ~ 4200K 7.5K ~ 100K 4.7K ~ 200K 2.7K ~ 91K
3810 ~ 4000K 3.6K ~ 62K 2.4K ~ 110K 1.2K ~ 51K
3610 ~ 3800K 2K ~ 30K 1.2K ~ 56K 620 ~ 27K
3410 ~ 3600K 1.8K ~ 30K 1.1K ~ 56K 620 ~ 27K
3210 ~ 3400K 2.4K ~ 22K 1.5K ~ 43K 750 ~ 18K
3010 ~ 3200K 1.1K ~ 10K 390 ~ 10K 390 ~ 9.1K
2810 ~ 3000K 560 ~ 5.1K 360 ~ 10K 180 ~ 4.3K
2610 ~ 2800K 270 ~ 2.4K 160 ~ 4.7K 100 ~ 2K
2410 ~ 2600K 120 ~ 1.2K 82 ~ 2.2K 47 ~ 1K
STANDARD RESISTANCE VALUES (@25°C) AND BETA RANGE*
NCT06 D J 154 H 410 TR F
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)
Series
PART NUMBER SYSTEM
*Beta can be ordered in increments of 10 (ex. 2610, 2620, 2630, etc.)
L
P
T
W
Termination Material
Ag -Pd Base Termination
Ni Barrier
100% Sn Finish
*JIS-C2570: Maximum power for continuous load at 25°C.
*See Part Number System for Details
RoHS
Compliant
includes all homogeneous materials
2NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
Temp (°C) R:1KΩ
B:2750K
R:1KΩ
B:3000K
R:1KΩ
B:3200K
R:10KΩ
B:3450K
R:10KΩ
B:3700K
R:10KΩ
B:3900K
R:10KΩ
B:4100K
R:100KΩ
B:4300K
R:100KΩ
B:4500K
R:100KΩ
B:4700K
-40 11,290 14,270 17,200 217,300 274,600 331,000 399,100 4,812,000 5,802,000 6,995,000
-35 9,012 11,130 13,180 162,800 201,100 238,200 282,000 3,339,000 3,954,000 4,682,000
-30 7,248 8,761 10,200 123,300 149,000 173,400 201,800 2,349,000 2,734,000 3,182,000
-25 5,872 6,953 7,959 94,240 111,600 127,700 146,200 1,674,000 1,916,000 2,193,000
-20 4,791 5,561 6,265 72,720 84,410 95,100 107,100 1,207,000 1,360,000 1,532,000
-15 3,935 4,481 4,972 56,620 64,470 71,530 79,370 880,600 977,100 1,084,000
-10 3,253 3,636 3,976 44,450 49,690 54,330 59,400 649,400 710,000 776,300
-5 2,705 2,971 3,202 35,170 38,630 41,640 44,890 483,900 521,600 562,200
0 2,262 2,443 2,597 28,040 30,280 32,200 34,240 364,000 387,100 411,600
5 1,902 2,020 2,120 22,520 23,920 25,100 26,340 276,400 290,100 304,400
10 1,608 1,681 1,742 18,210 19,040 19,730 20,440 211,800 219,400 227,400
15 1,366 1,406 1,440 14,820 15,260 15,620 15,990 163,600 167,500 171,400
20 1,166 1,183 1,197 12,140 12,310 12,450 12,600 127,400 128,900 130,400
25 1,000 1,000 1,000 10,000 10,000 10,000 10,000 100,000 100,000 100,000
30 861 850 840 8,286 8,172 8,082 7,993 79,050 78,180 77,320
35 745 725 709 6,903 6,718 6,573 6,432 62,930 61,580 60,250
40 647 622 602 5,782 5,554 5,378 5,208 50,440 48,840 47,300
45 564 535 513 4,867 4,617 4,426 4,243 40,680 39,000 37,390
50 494 463 439 4,116 3,858 3,663 3,477 33,020 31,350 29,760
55 434 402 378 3,498 3,240 3,047 2,866 26,950 25,350 23,840
60 382 350 326 2,986 2,734 2,548 2,375 22,130 20,620 19,220
65 338 306 283 2,560 2,318 2,141 1,978 18,270 16,880 15,590
70 300 269 246 2,203 1,974 1,808 1,656 15,160 13,880 12,720
75 267 237 215 1,904 1,688 1,533 1,392 12,650 11,480 10,430
80 238 209 188 1,652 1,450 1,306 1,177 10,600 9,548 8,601
85 213 185 166 1,439 1,251 1,118 999 8,927 7,978 7,130
90 192 165 146 1,258 1,083 960 852 7,552 6,698 5,940
95 172 147 129 1,103 941 828 729 6,417 5,649 4,972
100 156 132 115 971 821 717 627 5,476 4,785 4,182
105 141 118 102 858 718 623 541 4,692 4,072 3,533
110 128 106 92 760 631 544 469 4,037 3,479 2,998
115 116 96 82 675 556 476 407 3,486 2,984 2,554
120 106 87 74 602 492 418 355 3,022 2,570 2,186
125 97 79 66 538 436 368 311 2,630 2,222 1,877
Surface Mount NTC Thermistors NCT Series
LAND PATTERN DIMENSIONS (mm)
A
B
C
Type EIA Size A B C
NCT04 0402 0.50 1.3 0.5
NCT06 0603 0.9 2.6 0.7
NCT08 0805 1.35 3.45 1.1
PEAK REFLOW
SOLDERING CONDITIONS
200°C
300°C
250°C
50°C
150°C
100°C
0°C
60 ~ 180 Sec.
20 ~ 40 Sec.
60 ~ 150 Sec.
260°C
217°C
R-T TABLES FOR 1K, 10K AND 100K OHM*
*R-T tables available for other resistance/beta values upon request
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NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
SPECIFICATIONS ARE SUBJECT TO CHANGE
B
C
E
D
W
A
Type A B W F E P1P2P0φDT
1T2
NCT04 0.65 ±0.10 1.15 ±0.10
8.00
±0.20
3.50
±0.05
1.75
±0.10
2.00 ±0.05 N/A
4.00
±0.10
1.55
±0.05
0.50 max. 1.00 max.
NCT06 1.10 ±0.20 1.90 ±0.20 4.00 ±0.05 2.00 ±0.05 1.00 max. 1.40 max.
NCT08 1.65 ±0.20 2.40 ±0.20
Type A +0/-3 B +1/-0 C ±0.20 W ±0.3 Quantity
NCT04
180 60 13 9.0
10,000
NCT06 5,000
NCT08
CARRIER TAPE DIMENSIONS (mm)
REEL DIMENSIONS (mm) AND QUANTITY
Surface Mount NTC Thermistors NCT Series
φD
P0
W
F
AP1
t2
t1
B
NCT04
φDP0
W
F
A
P1
t2
t1
B
P2
NCT06 & NCT08
