Home All Products Temperature sensor

MF51E NTC Thermistor

The high precision NTC thermistor MF51E is for extremely accurate temperature measurement. It is specially designed for use in electronic thermometers which require better than average accuracy. The extremely small size allows the thermistor to respond very quickly to tiny changes in temperature. The MF51E can be supplied un-calibrated with standard tolerances or calibrated and grouped according to R at 37°C±0.01% for extreme interchangeability so as to eliminate the need for other calibrations. 

FEATURES

• Small size, fast response and light weight

• Available tolerances: ±0.5%, ±1%, ±2%, ±3% and ±5% 

• B Value tolerances: ±0.5%, ±1.0%

• Resistance calibration available at 37°C ±0.01% (see table for details of grouping)

• Long-term stability and reliability

• Excellent tolerance and interchangeability

• Available in all popular resistance values

• Dissipation constant ≥0.7mW/°C

• Time constant of ≤2.8 seconds

• Rated Power: 3.5mW

• Operating Temperature Range -40°C to 100°C 

PARAMETERS

Rated Resistance R25

B Value(25/50˚C)

Dissi. Coef. (mW/˚C)

Thermal Time Constant(S)

Operating Temp.

Range(KΩ)

Tolerance(%)

(K)

Tolerance(%)

0.2-20


±0.5 
±1
±2
±3
±5


3270

±0.5

±1

≥0.7

≤2.8

-40˚C-100˚C

0.5-50

3380

0.5-50

3470

1-100

3600

5-100

3950

5-100

4000

5-200

4050

10-250

4150

20-1000

4300

20-1000

4500

Resistance Calibration at 37 ˚C +/- 0.01 ˚C of MF51E 503F3950 

Group

Resistance

Group

Resistance

Group

Resistance

min

mid

max

min

mid

max

min

mid

max

1

29.085

29.111

29.137

12

29.668

29.695

29.721

23

30.264

30.291

30.318

2

29.138

29.164

29.189

13

29.722

29.749

29.775

24

30.319

30.346

30.373

3

29.190

29.216

29.242

14

29.776

29.802

29.828

25

30.374

30.401

30.428

4

29.243

29.269

29.294

15

29.829

29.856

29.883

26

30.429

30.456

30.483

5

29.295

29.322

29.348

16

29.884

29.910

29.936

27

30.484

30.511

30.538

6

29.349

29.375

29.400

17

29.937

29.964

29.991

28

30.539

30.566

30.593

7

29.401

29.428

29.454

18

29.992

30.019

30.045

29

30.594

30.622

30.649

8

29.455

29.481

29.507

19

30.046

30.073

30.100

30

30.650

30.677

30.703

9

29.508

29.535

29.561

20

30.101

30.128

30.154

31

30.704

30.731

30.758

10

29.562

29.588

29.614

21

30.155

30.182

30.209

32

30.759

30.785

30.811

11

29.615

29.641

29.667

22

30.210

30.237

30.263



APPLICATIONS

Electronic Thermometers, Medical Equipment and Patient Monitoring.


Contact Us for Samples!

E-Mail to: sales@thermpro-tech.com

We are readily to talk with you about your application and needs in thermal or temperature solutions. Samples are available for test as you require.

HomeProductsNews & RelevanceContact
First Name*
Last Name*
Email*
Question*