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Isabellenhütte Heusler GmbH & Co. KG // sales.components@isabellenhuette.de // Issue 21-February-2018

BVT (2512)

Temperature dependence of the electrical resistance

dR/R20 [%]

0

0,25

0,5

0,75

1

1,25

0

20

40

60

80

100

120

140

160

180

P / PNom

Terminal temperature TK [

°C]

Stability < 1.0 %

Improved stability < 0.5 %

P / P

100 °C

Temperature dependence of the electrical resistance of

dR/R20 [%]

Power derating curve at 70 °C

For detailed information see table on page 4

0

0,25

0,5

0,75

1

1,25

0

20

40

60

80

100

120

140

160

180

70

P / P

70 °C

Power derating curve at 100 °C

Example: BVT-M-R0005

Temperature dependence of the electrical resistance

dR/R20 [%]

Temperature dependence of the electrical resistance

dR/R20 [%]

19.01.2018,me

-1,5

-1,0

-0,5

0,0

0,5

1,0

1,5

-70

-40

-10

20

50

80

110

140

170

TCR = 0 ppm/K

TCR = -50 ppm/K

TCR = +50 ppm/K

21.02.2018,me

-1,5

-1,0

-0,5

0,0

0,5

1,0

1,5

-70

-40

-10

20

50

80

110

140

170

TCR = +25 ppm/K

TCR = -50 ppm/K

TCR = +100 ppm/K

07.12.2017,me

-1,5

-1,0

-0,5

0,0

0,5

1,0

1,5

-70

-40

-10

20

50

80

110

140

170

TCR = 0 ppm/K

TCR = -50 ppm/K

TCR = +50 ppm/K

21.02.2018,me

-2,0

-1,5

-1,0

-0,5

0,0

0,5

1,0

1,5

2,0

2,5

3,0

-70

-40

-10

20

50

80

110

140

170

TCR = +62.5 ppm/K

TCR = -50 ppm/K

TCR = +175 ppm/K

Temperature [°C]

Temperature [°C]

Temperature [°C]

Temperature [°C]

-65

-65

-65

-65