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B57020M250 PDF даташит

Спецификация B57020M250 изготовлена ​​​​«EPCOS» и имеет функцию, называемую «Probe Assemblies».

Детали детали

Номер произв B57020M250
Описание Probe Assemblies
Производители EPCOS
логотип EPCOS логотип 

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B57020M250 Даташит, Описание, Даташиты
Temperature Measurement
Probe Assemblies
Applications
I Refrigerators
I Deep freezers
Features
I Thermistor in molded plastic case
I PVC-insulated connecting cable (white), Tmax = 105 °C
I Conductor cross section: 2 × 0,34 mm2
I Construction based
on DIN EN 60 730-1/VDE protection class 2
Options
Alternative resistance ratings,
rated temperatures,
resistance tolerance and cable lengths
available on request
Delivery mode
Bulk
www.DataSheet4U.com
B57020
M 2020
8
4,5
Dimensions
in mm
TNT0350-Q
Climatic category (IEC 60068-1)
Max. power at 25 °C
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor (in air)
Thermal time constant (in water)
Insulation resistance
P25
RN/RN
TN
B/B
δth
τa
Ris
40/80/56
350
±2%
0
± 1,5 %
approx. 10
approx. 35
> 1000
mW
°C
mW/K
s
M
R25
5000
R0
16330
No. of R/T
characteristic
2003
B25/100
K
3980
Ordering code
B57020M2502A017
120 05/02









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B57020M250 Даташит, Описание, Даташиты
Temperature Measurement
Probe Assemblies
B57020
M 2020
Reliability data
Test
Standard
Test conditions
Storage in
dry heat
IEC
60068-2-2
Storage in
coldness
Storage in damp IEC
heat, steady state 60068-2-3
Rapid temperature IEC
cycling
60068-2-14
Storage in
water
Temperature
cycling test
Voltage
proof test
Insulation
test
Storage at upper
category temperature
T: 80 °C
t: 1000 h
Storage at lower
category temperature
T: 40 °C
t: 1000 h
Temperature of air: 40 °C
Relative humidity of air: 93 %
Duration: 56 days
Lower test temperature: 40 °C
Upper test temperature: 80 °C
Time to change from lower to upper
temperature: < 30 s;
Number of cycles: 1000
Medium: air
Temperature of water: 30 °C
t: 4000 h
Applied voltage with drop resistor
10 k:10 Vdc switched between
on (ton = 30 min) and off (toff = 30 min)
Lower test temperature: 30 °C
Upper test temperature: 10 °C
Test frequency < 15 min under
wetness and frozen water
Number of cycles: 50000
Medium: air
3750 V; 1 min
The sensors are placed in a vessel
containing metallic balls of 1 mm
diameter (with total immersed head).
The applied voltage is 500 Vdc.
R25/R25
(typical)
<2%
Remarks
No visible
damage
<2%
No visible
damage
<2%
<2%
No visible
damage
No visible
damage
<2%
No visible
damage
<2%
No visible
damage
No flash-
over
Above
1000 M
121 05/02









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B57020M250 Даташит, Описание, Даташиты
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.










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Номер в каталогеОписаниеПроизводители
B57020M250Probe AssembliesEPCOS
EPCOS

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