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B57869Temperature Measurement
S869Miniature Sensors
Applications
■ Heating and air conditioning systems
■ Industrial electronics
■ Automotive electronics
Features
■ Uni curve sensor
■ Fast response
■ High temperature accuracy
between 0
■ Excellent long-term stability
■ Epoxy resin encapsulation
■ Silver-plated nickel leads
°C and 70 °C
6,5 max.
50±2
Dimensions in mm
Approx. weight 60 mg
Delivery mode
Bulk
Climatic category (IEC 60068-1)
Max. power at 25
°C P
Temperature tolerance (0 … 70 °C) ∆T
Rated temperature T
Dissipation factor (in air) δ
Thermal cooling time constant (in air) τ
Heat capacity C
R
25
No. of R/T
th
c
25
N
th
B
25/100
55/155/56
60
± 0,2, ± 0,5
25
approx. 1,5
approx. 12
approx. 18
Ordering code
characteristic
Ω
K
3 k 8016 3988 B57869S0302+140
5 k 8016 3988 B57869S0502+140
10 k 8016 3988 B57869S0103+140
30 k 8018 3964 B57869S0303+140
ø2,41 max.
ø0,25
TNT0394-H
mW
K
°C
mW/K
s
mJ/K
+: F for
Gfor
∆T = 0,2 K
∆T = 0,5 K
For calculation of the R/T characteristics refer to our special tool “NTC R/T calculation”. You may
download this tool either from Internet (http://www.epcos.com
→ Design Tools → NTC Thermistors
→ NTC R/T Calculation) or from the CD-ROM “Data Book Library” (Please order via Internet:
Publications
→ General Publications).
96 05/02
Reliability data
Test Standard Test conditions
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
°C
T: 155
t: 1000 h
Storage in damp
heat, steady state
IEC
60068-2-3
Temperature of air: 40
Relative humidity of air: 93 %
Duration: 56 days
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: – 55
Upper test temperature: 155
Number of cycles: 100
Long-term stability
(empirical value)
Temperature: 70
t: 10 000 h
°C
°C
∆R
25/R25
(typical)
< 1 %
1)
< 2 %
< 1 % No visible
< 1 % No visible
°C
°C
< 2 % No visible
B57869Temperature Measurement
S869Miniature Sensors
Remarks
No visible
damage
damage
damage
damage
1) For B57869S0302-+140
97 05/02
zuholen.
Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
(
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa-
tives.
Due to technical requirements components may contain dangerous substances. For information on the type in question please
also contact one of our Sales Offices.
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