Final Datasheet

14

Revision 1.6

www.infineon.com

2022-06-26

CIPOS™ Micro

IM241 Series

Thermistor Characteristics

8

Thermistor Characteristics

Table 13

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Resistance

R25

TC = 25°C, ±5% tolerance

44.65

47

49.35

kΩ

Resistance

R125

TC = 125°C

1.27

1.39

1.51

kΩ

B-constant

(25/100)

B

±1% tolerance

-

4006

-

K

Temperature

Range

-20

-

150

°C

Figure 7

Thermistor resistance – temperature curve, for REXT=9.76kΩ, and thermistor resistance

variation with temperature.

+3.3V

REXT

R

VTH

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0

10 20 30 40 50 60 70 80 90 100 110 120 130 140 150

Thermistor Temperature TTH (°C)

max

typ

min

TTH [℃]

Rmin

[kΩ]

Rtyp

[kΩ]

Rmax

[kΩ]

50

15.448

16.432

17.436

60

10.483

11.194

11.924

70

7.245

7.765

8.302

80

5.092

5.477

5.876

90

3.648

3.937

4.237

100

2.653

2.872

3.101

110

1.957

2.125

2.301

120

1.462

1.592

1.729

125

1.269

1.384

1.505