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EPCOS

B57891 Datasheet Preview

B57891 Datasheet

Temperature Measurement

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Temperature Measurement
Leaded Disks
Applications
I Temperature compensation
I Temperature measurement
I Temperature control
Features
I Wide resistance range
I Cost-effective
I Lacquer-coated thermistor disk
I Leads: copper-clad Fe wire, tinned
I Marked with resistance and tolerance
Delivery mode
Bulk (standard),
cardboard tape, reeled or in Ammo pack
3,5 max.
B57891
M 891
3,5 max.
2,5
ø0,5
TNT0390-J
Dimensions in mm
Approx. weight 0,2 g
Climatic category (IEC 60068-1)
Max. power at 25 °C
www.DataSheet4RUe.cosmistance tolerance
Rated temperature
B value tolerance
Dissipation factor (in air)
Thermal cooling time constant (in air)
Heat capacity
P25
RN/RN
TN
B/B
δth
τc
Cth
55/125/21
200
± 5 %, ± 10 %
25
±3%
approx. 3,5
approx. 12
approx. 40
mW
°C
mW/K
s
mJ/K
R25
1k
1,5 k
2,2 k
3,3 k
4,7 k
6,8 k
10 k
15 k
22 k
33 k
47 k
68 k
No. of R/T
characteristic
1009
1008
1013
2003
2003
2003
4901
2004
2904
2904
4012
4012
B25/100
K
3930
3560
3900
3980
3980
3980
3950
4100
4300
4300
4355
4355
80 05/02
Ordering code
B57891M0102+000
B57891M0152+000
B57891M0222+000
B57891M0332+000
B57891M0472+000
B57891M0682+000
B57891M0103+000
B57891M0153+000
B57891M0223+000
B57891M0333+000
B57891M0473+001
B57891M0683+001




EPCOS

B57891 Datasheet Preview

B57891 Datasheet

Temperature Measurement

No Preview Available !

Temperature Measurement
Leaded Disks
B57891
M 891
R25
100 k
150 k
220 k
330 k
470 k
No. of R/T
characteristic
4003
2005
2005
2007
2006
+: J for RN/RN = ± 5 %
K for RN/RN = ± 10 %
B25/100
K
4450
4600
4600
4830
5000
Ordering code
B57891M0104+000
B57891M0154+000
B57891M0224+000
B57891M0334+000
B57891M0474+000
Reliability data
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
Standard
IEC
60068-2-2
IEC
60068-2-3
IEC
60068-2-14
Test conditions
R25/R25
(typical)
Storage at upper
category temperature
T: 125 °C
t: 1000 h
<3%
Temperature of air: 40 °C
Relative humidity of air: 93 %
Duration: 21 days
<2%
Lower test temperature: 55 °C < 2 %
Upper test temperature: 125 °C
Number of cycles: 100
Pmax: 200 mW
t: 1000 h
<3%
Temperature: 125 °C
t: 10 000 h
<5%
Remarks
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
81 05/02


Part Number B57891
Description Temperature Measurement
Maker EPCOS
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B57891 Datasheet PDF





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