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