92 05/02
Applications
■Heating and air conditioning systems
■Industrial electronics
■Automotive electronics
Features
■Uni curve sensor
■Fast response
■High temperature accuracy
between 0 °C and 70 °C
■Excellent long-term stability
■Epoxy resin encapsulation
■PTFE-insulated leads of silver-plated
nickel wire, AWG 30
Delivery mode
Bulk
+: F for ∆T = 0,2 K
Gfor
∆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).
Climatic category (IEC 60068-1)
Max. power at 25 °CP25
Temperature tolerance (0 … 70 °C) ∆T
Rated temperature TN
Dissipation factor (in air) δth
Thermal cooling time constant (in air) τc
Heat capacity Cth
55/155/56
60
± 0,2, ± 0,5
25
approx. 1,5
approx. 15
approx. 22,5
mW
K
°C
mW/K
s
mJ/K
R25
Ω
No. of R/T
characteristic
B25/100
K
Ordering code
3 k 8016 3988 B57863S0302+040
5 k 8016 3988 B57863S0502+040
10 k 8016 3988 B57863S0103+040
30 k 8018 3964 B57863S0303+040
TNT0393-9
ø2,41 max.
ø0,25
(AWG 30)
6±1
50±2
6,5 max.
Dimensions in mm
Approx. weight 60 mg
B57863Temperature Measurement
S863Miniature Sensors
93 05/02
Reliability data
Test Standard Test conditions ∆R25/R25
(typical)
Remarks
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
T: 155 °C
t: 1000 h
< 1 %
< 2 %1)
No visible
damage
Storage in damp
heat, steady state
IEC
60068-2-3
Temperature of air: 40 °C
Relative humidity of air: 93 %
Duration: 56 days
< 1 % No visible
damage
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: – 55 °C
Upper test temperature: 155 °C
Number of cycles: 100
< 1 % No visible
damage
Long-term stability
(empirical value)
Temperature: 70 °C
t: 10 000 h
< 2 % No visible
damage
1) For B57863S0302+040
B57863Temperature Measurement
S863Miniature Sensors
Herausgegeben von EPCOS AG
Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
(
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne aus-
drückliche Genehmigung der EPCOS AG nicht gestattet.
Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek-
troindustrie, soweit nichts anderes vereinbart wird.
Diese Broschüre ersetzt die vorige Ausgabe.
Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG
oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe ent-
halten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft ein-
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.
