Data Sheet

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