LEBH3W datasheet(5/19 Pages) OSRAM

5 / 19 page

LE A H3W, LE T H3W, LE B H3W

2010-03-03

T = NTC resistance in Ω at temperature T in K

N = NTC resistance in Ω at rated temperature TN

in K (T

N = 298 K for test condition)

T, T

N = temperature in K

e = base of the natural logarithm (e = 2.71828)

B = B value, material specific constant of the NTC

thermistor

Typische Thermistor Kennlinie

2) 5) Seite 19

Typical Thermistor Graph

2) 5) page 19

F = f (VF); Tboard = 25 °C

SMD NTC Thermistors

[Ω]

No. of R/T

characteristic

25/50

[K]

25/85

[K]

Resistance

Tolerance

Δ R

N/RN

B value

Tolerance

Δ B/B

NTC,max,25

[mW]

10k

EPCOS 8502

3940

3980

± 5%

± 3%

180

* for further information please visit www.epcos.com

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⎛⎞

⋅

⁄

⋅

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⋅

0˚C

OHL02609

NTC

1000

2000

3000

4000

5000

6000

7000

10000

10 20 30 40 50 60 70

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