Temperature Measurement
Leaded Disks
B57164
K 164
Applications
q
Temperature compensation
q
Temperature measurement
q
Temperature control
Features
q
q
q
q
q
q
Wide resistance range
Cost-effective
Lacquer-coated thermistor disk
Tinned copper leads
Marked with resistance and tolerance
Available on tape (PU: 1500 pcs)
*May be free of lacquer
Dimensions in mm
Approx. weight 0,4 g
Climatic category (IEC 68-1)
Max. power at 25
°C
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor (in air)
Thermal cooling time constant (in air)
Heat capacity
P
25
∆
R/R
N
T
N
∆
B/B
δ
th
τ
c
C
th
55/125/21
450
±
5 %,
±
10 %
25
±
3%
approx. 7,5
approx. 20
approx. 150
mW
°C
mW/K
s
mJ/K
Type
R
25
Ω
15
22
33
47
68
100
150
220
330
470
No. of
R/T
characteristic
1203
1203
1203
1302
1303
1305
1305
1305
1306
1306
B
25/100
K
2900
2900
2900
3000
3050
3200
3200
3200
3450
3450
Ordering code
K 164/15/+
K 164/22/+
K 164/33/+
K 164/47/+
K 164/68/+
K 164/100/+
K 164/150/+
K 164/220/+
K 164/330/+
K 164/470/+
B57164-K150-+
B57164-K220-+
B57164-K330-+
B57164-K470-+
B57164-K680-+
B57164-K101-+
B57164-K151-+
B57164-K221-+
B57164-K331-+
B57164-K471-+
Siemens Matsushita Components
49
B57164
K 164
Type
R
25
Ω
No. of
R/T
characteristic
1011
1013
1013
4001
4001
2903
2904
1014
1012
1012
4003
2005
2005
2005
2007
2006
2006
B
25/100
K
Ordering code
K 164/1 k/+
K 164/1,5 k/+
K 164/2,2 k/+
K 164/3,3 k/+
K 164/4,7 k/+
K 164/6,8 k/+
K 164/10 k/+
K 164/15 k/+
K 164/22 k/+
K 164/33 k/+
K 164/47 k/+
K 164/68 k/+
K 164/100 k/+
K 164/150 k/+
K 164/220 k/+
K 164/330 k/+
K 164/470 k/+
+: J for
∆
R/R
N
=
±
5 %
K for
∆
R/R
N
=
±
10 %
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
3730
3900
3900
3950
3950
4200
4300
4250
4300
4300
4450
4600
4600
4600
4830
5000
5000
B57164-K102-+
B57164-K152-+
B57164-K222-+
B57164-K332-+
B57164-K472-+
B57164-K682-+
B57164-K103-+
B57164-K153-+
B57164-K223-+
B57164-K333-+
B57164-K473-+
B57164-K683-+
B57164-K104-+
B57164-K154-+
B57164-K224-+
B57164-K334-+
B57164-K474-+
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
Test conditions
Storage at upper category tem-
perature
T:
125
°C
t:
1000 h
IEC
Temperature of air: 40
°C
60068-2-3 Relative humidity of air: 93 %
Duration: 21 days
IEC
Lower test temperature: – 55
°C
60068-2-14 Upper test temperature: 125
°C
Number of cycles: 10
P
max
: 450 mW
Duration: 1000 h
Temperature: 125
°C
Duration: 10 000 h
∆
R
25
/R
25
(typ.) Remarks
No visible
<3%
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
<3%
<3%
<3%
<5%
50
Siemens Matsushita Components
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