Temperature measurement and compensation
Leaded NTC thermistors, lead spacing 2.5 mm
B57891M
M891
Electrical specification and ordering codes
R
25
Ω
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
100 k
150 k
220 k
330 k
470 k
+ = Resistance tolerance
J =
±5%
K =
±10%
No. of R/T
characteristic
1009
1008
1013
2003
2003
2003
4901
2004
2904
2904
4012
4012
4003
2005
2005
2007
2006
B
25/100
K
3930
±3%
3560
±3%
3900
±3%
3980
±3%
3980
±3%
3980
±3%
3950
±3%
4100
±3%
4300
±3%
4300
±3%
4355
±3%
4355
±3%
4450
±3%
4600
±3%
4600
±3%
4830
±3%
5000
±3%
Ordering code
B57891M0102+000
B57891M0152+000
B57891M0222+000
B57891M0332+000
B57891M0472+000
B57891M0682+000
B57891M0103+000
B57891M0153+000
B57891M0223+000
B57891M0333+000
B57891M0473+000
B57891M0683+000
B57891M0104+000
B57891M0154+000
B57891M0224+000
B57891M0334+000
B57891M0474+000
Reliability data
Test
Storage in
dry heat
Standard
IEC
60068-2-2
Test conditions
∆R
25
/R
25
(typical)
< 3%
Remarks
No visible
damage
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
Storage at upper
category temperature
T: 125
°C
t: 1000 h
IEC
Temperature of air: 40
°C
60068-2-78 Relative humidity of air: 93%
Duration: 56 days
IEC
Lower test temperature: 40
°C
60068-2-14 Upper test temperature: 125
°C
Number of cycles: 100
P
max
: 200 mW
t: 1000 h
Temperature: 70
°C
t: 10000 h
< 2%
No visible
damage
No visible
damage
No visible
damage
No visible
damage
< 2%
< 3%
< 5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 23
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