TFPT0805L2200JL 查看數據表（PDF） - Vishay Semiconductors

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TFPT0805L2200JL

SMD PTC - Nickel Thin Film Linear Thermistors

Vishay Semiconductors 

www.vishay.com

TFPT

Vishay

RATIO FORMULA

RT = R25 x (9.0014 x 10-1 + 3.87235 x 10-3 (°C)-1 x T + 4.86825 x 10-6 (°C)-2 x T2 + 1.37559 x 10-9 (°C)-3 x T3)

T(°C) = 28.54 x (RT/R25)3 - 158.5 x (RT/R25)2 + 474.8 x (RT/R25) - 319.85)



RATIO TOLERANCES

LOW TEMP.

HIGH TEMP.

-55 °C

+150 °C

-40 °C

+125 °C

-20 °C

+85 °C

0 °C

+55 °C

+12 °C

+40 °C

TOL.

±4%

±3%

±2%

±1%

± 0.5 %

RATIO TOLERANCE EXAMPLES:

At 40 °C, ratio = 1.063 ± 0.5 % (0.005)

so, ratio = 1.058 to 1.068

At 125 °C, ratio = 1.460 ± 3 % (0.044)

so, ratio = 1.416 to 1.504

At intermediate temperatures, the ratios can be gradually

adapted, for example at 105 °C the ratio tolerance will be

± 2.5 %.

For total resistance tolerance, the specific R25 tolerance

needs to be multiplied with the ratio tolerance, for example

a 100R 1 % at 25 °C will have a maximum resistance at

125 °C of 100R x 1.463 x 1.03 x 1.01 = 152.2 .

RATIO RT/R25

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

0.9

0.8

0.7

0.6

-75 -50 -25

Axis Title

10000

Max.

Min. 1000

100

10

0 25 50 75 100 125 150

Temperature (°C)

TCR TYPICAL VALUE

4800

4700

4600

4500

4400

4300

4200

4100

Axis Title

10000

1000

4000

100

3900

3800

3700

3600

10

-75 -50 -25 0 25 50 75 100 125 150 175

Temperature (°C)

POWER DERATING

Axis Title

110

10000

100

90

80

70

1000

60

50

40

100

30

20

10

0

10

-75 -50 -25 0 25 50 75 100 125 150 175

Temperature (°C)

Note

• Zero power is considered as measuring power max. 1 % of rated

power P70

Revision: 14-Jan-2020

4

Document Number: 33017

For technical questions, contact: nlr@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

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