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T, M, C  
Vishay Dale  
www.vishay.com  
NTC Thermistors, Radial Leaded and Coated  
FEATURES  
• Small size - conformally coated  
• Wide resistance range  
• Available in 4 different R-T curves  
• Available in point matched tolerances down to  
1 % and curve tracking precision down to  
0.2 ꢀC  
LINKS TO ADDITIONAL RESOURCES  
• Material categorization: for definitions of compliance  
please see www.vishay.com/doc?99912  
Design Tools  
APPLICATIONS  
QUICK REFERENCE DATA  
PARAMETER  
Resistance value at 25 ꢀC  
Tolerance on R25-value  
(point matched)  
Temperature accuracy  
(curve tracking)  
VALUE  
30 to 220K  
UNIT  
Ω
Temperature measurement, sensing and control in  
industrial, consumer and telecom applications. For  
on-board sensing or for accurate remote sensing in metal  
probes or housings.  
1, 2, 3, 5, 10  
%
0.2, 0.5,  
1
ꢀC  
DESCRIPTION  
B
B
25/75 -value  
25/85 -value  
3477 to 3964  
3468 to 3974  
50 to 100  
K
K
mW  
Models T, M, and C are conformally coated, leaded  
thermistors. The coating is baked-on phenolic for durability  
and long-term stability. Models M and C have tinned solid  
copper leads. Model T has solid nickel wires with Teflon®  
insulation.  
Maximum dissipation  
Dissipation factor δ  
(for information only)  
Thermal time constant τ  
(for information only)  
Response time (oil)  
(for information only)  
Operating temperature range  
at zero power (short term)  
2 to 3.5  
6 to 14  
1.3  
mW/K  
s
s
DESIGN-IN SUPPORT  
For complete Curve Computation, visit:  
www.vishay.com/thermistors/ntc-rt-calculator/  
-40 to +125 (150)  
ꢀC  
g
Weight  
≈ 0.075 to 0.15  
T, M, C PRODUCT DATA AND R25 RESISTANCE RANGE AVAILABILITY  
B25/75  
(K)  
B25/85  
(K)  
TCR25  
(%/K)  
T
(kΩ)  
M
(kΩ)  
C
(kΩ)  
R25 TꢀL.  
AVAILABILITY  
CURVE  
2
9
8
1
3477  
3679  
3925  
3964  
3486  
3694  
3943  
3974  
-3.84  
-4.03  
-4.30  
-4.39  
0.03 to 3.3  
10 to 56  
20 to 220  
0.2 to 18  
75  
1, 2, 3, 5, 10  
1, 2, 3, 5, 10  
1, 2, 3, 5, 10  
1, 2, 3, 5, 10  
Maximum dissipation at 25 ꢀC in mW  
Dissipation factor in mW/K (1)  
Response time in s (1)  
50  
2.0  
1.3  
14  
100  
3.0  
1.4  
6
2.5  
1.2  
10  
Thermal time constant in s (1)  
Note  
(1)  
For information only, dissipation factor, response time, and thermal time constant are wire type and product size dependent  
STANDARD RESISTANCE VALUES at 25 ꢀC in Ω  
33  
39  
47  
50  
56  
68  
82  
270  
330  
390  
470  
500  
560  
680  
820  
1K  
1.2K  
1.5K  
1.8K  
2.2K  
2.7K  
3.3K  
3.9K  
4.7K  
5.0K  
5.6K  
6.8K  
8.2K  
10K  
12K  
15K  
18K  
22K  
27K  
33K  
39K  
47K  
50K  
56K  
68K  
82K  
100K  
120K  
150K  
220K  
100  
120  
150  
180  
220  
Note  
•
Most popular and available values, intermediate resistance values and tolerances available on request  
Revision: 08-Apr-2021  
Document Number: 33003  
1
For technical questions, contact: thermistor1@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
T, M, C  
Vishay Dale  
www.vishay.com  
GLOBAL PART NUMBER AND ORDERING INFORMATION  
Global Part Numbering: 01C2001FP for PꢀINT MATCHED THERMISTꢀRS  
0
±
C
2
0
0
±
F
P
POINT MATCH  
TOLERANCE  
CURVE NR  
GLOBAL MODEL  
RESISTANCE VAL  
PACKAGING  
T
M
C
2001 = 2K  
1503 = 150K  
F = 1 %  
G = 2 %  
H = 3 %  
J = 5 %  
K = 10 %  
F = lead (Pb)-free, bulk  
P = tin / lead, bulk  
01  
02  
08  
09  
Global Part Numbering: 01C2001SPC3 for CURVE TRACKING THERMISTꢀRS  
0
±
C
2
0
0
±
S
P
C
ꢁ
RESISTANCE  
VALUE  
CURVE TRACK  
TOLERANCE (1)  
CURVE  
GLOBAL MODEL  
CHARACTERISTICS  
PACKAGING  
01  
08  
09  
T
M
C
2001 = 2K  
S
F = lead (Pb)-free,  
bulk  
P = tin / lead, bulk  
A3 A4 A5 A8  
B3 B4 B5 B8  
C3  
C5 C8  
Note  
(1)  
See following pages for tolerance explanations and details  
DIMENSIONS in inches (millimeters)  
TYPE M, C  
TYPE T  
0.25 ± 0.05 ꢀ(.ꢁ5 ± ±.25ꢂ  
TINNED COPPER WIRE  
TEFLON INSULATED NICKEL WIRE  
D
D
±.5 ꢀꢁ(.±ꢂ MIN.  
CLEAN LEAD LENGTH  
ꢁ ± 0.25 ꢀꢃ(.2 ± (.6ꢂ  
PRꢀDUCT TYPE  
Type M  
WIRE GAUGE/DIAMETER (1)  
AWG 30: 0.0100 (0.254)  
AWG 28: 0.0126 (0.320)  
Type C  
Type T  
Insulated AWG 30: 0.0100 (0.254)  
Note  
(1)  
Additional wire gauges (non-insulated) available as AWG24 (type E), AWG26 (type B) and AWG32 (type F). Please contact Vishay  
(thermistor1@vishay.com) for further details  
DIAMETER  
INCH (mm)  
DIAMETER  
INCH (mm)  
STANDARD  
R
25 MIN.  
CURVE NUMBER  
R
25 RANGE  
Ω
Ω
R
25 MIN.  
R25 MAX.  
0.095 (2.41) 0.136 (3.45)  
0.095 (2.41 0.150 (3.81)  
R25 MIN.  
2
9
8
1
30  
0.342 (8.69)  
330 to 3K  
10K to 56K  
27K to 220K  
1.8K to 18K  
20K  
200  
0.131 (3.33)  
0.315 (8.00)  
0.095 (2.41) 0.125 (3.18)  
0.095 (2.41) 0.136 (3.45)  
Note  
•
Maximum body diameter is dependent on selected curve number and value, the lower resistance values have the largest diameter. For a  
specific part number within the given resistance ranges, please contact thermistor1@vishay.com for maximum diameter information  
Revision: 08-Apr-2021  
Document Number: 33003  
2
For technical questions, contact: thermistor1@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
T, M, C  
Vishay Dale  
www.vishay.com  
TOLERANCES AVAILABLE FOR TYPE T, M, AND C THERMISTORS  
DESCRIPTION OF THERMISTOR TOLERANCES  
The many applications of thermistors have mandated the need for two basic tolerance schemes for these products - curve  
tracking and point match thermistors. An example of the resistance tolerance at various temperatures for the two different  
tolerancing methods is described in the following graph:  
± 5 ꢄ POINT MATCH CURVE  
±0  
9
8
ꢃ
25 °C  
(
± ± °C CURVE TRACK CURVE  
5
6
ꢁ
A8  
2
±
0
Aꢁ  
A6  
A5  
TEMPERATURE ꢀ°Cꢂ  
Fig. 1  
CURVE TRACKING TOLERANCE  
Thermistors are calibrated at the high temperature of the curve track range and then final tested at the low temperature of  
the curve track range. This ensures that the thermistor will meet the specified temperature accuracy at every temperature  
within the desired temperature range. Several temperature ranges are available and the accuracy of the thermistor may be  
0.2 ꢀC, 0.5 ꢀC, and 1.0 ꢀC. The curve tracking temperature ranges and their code designators are shown in figure 1 and  
“Standard Electrical Specifications for Curve Tracking Thermistors” table.  
To specify, add the appropriate suffix from the following table to the part number.  
Example: 01M1002SFB3 = curve 1, 10 kΩ at +25 ꢀC, curve tracking to 0.5 ꢀC from 0 ꢀC to +70 ꢀC  
STANDARD ELECTRICAL SPECIFICATIONS FOR CURVE TRACKING THERMISTORS  
TEMPERATURE  
RANGE FꢀR  
SPECIFIED  
ACCURACY  
0 °C to +70 °C  
0 °C to +100 °C  
25 °C to +90 °C  
0 °C to +50 °C  
ACCURACY  
1 °C  
- A3  
0.5 °C  
- B3  
0.2 °C  
- C3  
1 °C  
- A4  
0.5 °C  
- B4  
1 °C  
0.5 °C  
- B5  
0.2 °C  
- C5  
1 °C  
- A8  
0.5 °C  
- B8  
0.2 °C  
- C8  
PART Nꢀ. SUFFIX  
- A5  
01  
08  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
09  
X
X
X
X
X
X
X
X
X
X
Revision: 08-Apr-2021  
Document Number: 33003  
3
For technical questions, contact: thermistor1@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
T, M, C  
Vishay Dale  
www.vishay.com  
POINT MATCH TOLERANCE  
The standard leaded thermistors are calibrated and tested at 25 ꢀC to a tolerance of 5 % or 10 %ꢁ however, tighter tolerance,  
point matched thermistors are readily available as are special point match temperatures to fit your application.  
Since these thermistors have only one controlled point of reference (the point match temperature), the resistance at other  
temperatures is given by the specific curve resistance vs. temperature ratio.  
POINT MATCH TOLERANCES VS. TEMPERATURE  
Point match resistance tolerances at temperatures other  
than 25 ꢀC are not the same as at the calibration  
MAX. R vs. T  
temperature. This difference is presented in Fig. 2.  
MIN. R vs. T  
The tolerance at any given temperature is the point match  
tolerance plus a manufacturing tolerance depending on the  
specific curve.  
NOMINAL R vs. T  
PIVOT POINT  
ꢀCALIBRATION TEMPERATUREꢂ  
25 °C  
TEMPERATURE  
Fig. 2  
DESIGN-IN SUPPORT  
A spreadsheet is available for the Vishay thermistor part numbers that gives you the resistance vs temperature data, the  
temperature coefficients and accuracy levels at any given temperature range and step. The Steinhart & Hart formula and  
coefficients A, B, and C are shown as well. This data can be obtained by visiting the Vishay NTC curve computation page at:  
www.vishay.com/thermistors/ntc-curve-list/ or send your part number with required temperature range and step to  
thermistor1@vishay.com.  
Revision: 08-Apr-2021  
Document Number: 33003  
4
For technical questions, contact: thermistor1@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
Legal Disclaimer Notice  
www.vishay.com  
Vishay  
Disclaimer  
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Revision: 01-Jan-2022  
Document Number: 91000  
1