Surface Mount NTC Thermistors
NCT Series
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
RoHS
Compliant
includes all homogeneous materials
• TAPE AND REEL FOR AUTOMATIC MOUNTING
*See Part Number System for Details
CHARACTERISTICS AND PERFORMANCE
Series
EIA Size
NCT04
0402
NCT06
0603
NCT08
0805
Resistance Range (+25°C)
Resistance Tolerance (+25°C)
Operating Temperature Range
Storage Temperature Range
Maximum Power Rating (JIS-C2570)*
Dissipation Factor
470 ohm ~ 2Megohm
100 ohm ~ 2Megohm
1% (F), ±2% (G), ±3% (H), 5% (J), 10% (K)
-40°C ~ +125°C
100 ohm ~ 2Megohm
-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
Thermal Time Constant
Functional Beta Temperature Range
A = +25°C ~ +85°C
E = +25°C ~ +100°C
Beta Value Range
Beta Value Tolerance
Resistance to Soldering Heat
High Temperature Stability
Low Temperature Stability
Humidity
2610K ~ 4800K
±1% (F), ±2% (G), ±3% (H), ±5% (J)
+260°C ± 5°C for 10 ±1 seconds
+125°C ± 3°C for 1,000 hours, ΔR ±3%, ΔBeta ±2%
-40°C ± 3°C for 1,000 hours, ΔR ±3%, ΔBeta ±2%
+85°C ± 2°C, 85% ±5% RH for 1,000 hours, ΔR ±3%, ΔBeta ±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
ΔR ±3%, ΔBeta ±2%
*JIS-C2570: Maximum power for continuous load at 25°C.
DIMENSIONS (mm)
Series
EIA Size
0402
L
W
T max.
0.40
P
+0.05/
NCT04
1.0 ± 0.05 0.50 ± 0.05
0.25
-0.10
Termination Material
Ag Base Termination
Ni Barrier
NCT06
NCT08
0603
0805
1.6 ± 0.15 0.80 ± 0.15
2.0 ± 0.20 1.25 ± 0.20
0.60
0.65
0.30 ± 0.20
0.40 ± 0.20
100% Sn Finish
STANDARD RESISTANCE VALUES (@25°C) AND BETA RANGE*
E-24 Standard
Beta Value
NCT04 (0402) NCT06 (0603) NCT08 (0805)
Values
4610 ~ 4800K
4410 ~ 4600K
4210 ~ 4400K
4010 ~ 4200K
3810 ~ 4000K
3610 ~ 3800K
3410 ~ 3600K
3210 ~ 3400K
3010 ~ 3200K
2810 ~ 3000K
2610 ~ 2800K
100K ~ 2M
10K ~ 2M
10K ~ 2M
10K ~ 220K
2K ~ 150K
2K ~ 150K
2K ~ 150K
2K ~ 150K
680 ~ 68K
500 ~ 47K
100 ~ 10K
68K ~ 2M
10K ~ 2M
10K ~ 2M
1K ~ 220K
1K ~ 150K
1K ~ 150K
1K ~ 150K
1K ~ 150K
470 ~ 150K
150 ~ 100K
100 ~ 1K
47K ~ 2M
10K ~ 2M
6.8K ~ 2M
1K ~ 220K
1K ~ 150K
1K ~ 150K
1K ~ 150K
680 ~ 150K
220 ~ 150K
100 ~ 100K
100 ~ 1K
1.0 1.1 1.2
1.3 1.5 1.6
1.8 2.0 2.2
2.4 2.7 3.0
3.3 3.6 3.9
4.3 4.7 5.1
5.6 6.2 6.8
7.5 8.2 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
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
NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
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