NTC thermistors for
temperature measurement
SMD NTC thermistors,
case size 0603 (1608)
Series/Type:
Date:
B573**V2/ B57619C5
June 2011
© EPCOS AG 2011. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Temperature measurement and compensation
SMD NTC thermistors, case size 0603 (1608)
B573**V2/ B57619C5
Applications
Temperature measurement and
compensation
Features
Multilayer SMD NTC with inner electrodes
Nickel barrier termination
Excellent long-term aging stability in
high-temperature environment
UL approval (E69802)
Options
Alternative resistance ratings, resistance
tolerances and B value tolerances available
on request.
Delivery mode
Cardboard tape, 180-mm reel (standard);
330-mm reel (on request)
General technical data
Climatic category
Max. power
Resistance tolerance
Rated temperature
Dissipation factor
Thermal cooling time constant
Heat capacity
Dimensional drawing
Dimensions in mm
Approx. weight 6 mg
(IEC 60068-1)
(at 25
°C,
on PCB) P
251)
∆R
R
/R
R
T
R
(on PCB)
δ
th1)
(on PCB)
τ
c1)
C
th1)
55/125/56
180
±1, ±3, ±5
25
approx. 3
approx. 4
approx. 12
mW
%
°C
mW/K
s
mJ/K
1) Depends on mounting situation
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 21
Temperature measurement and compensation
SMD NTC thermistors, case size 0603 (1608)
B573**V2/ B57619C5
Electrical specification and ordering codes
R
25
Ω
47
100
150
220
330
470
680
1.0 k
1.5 k
2.2 k
4.7 k
6.8 k
10 k
10 k
10 k
10 k
10 k
10 k
22 k
22 k
47 k
47 k
68 k
100 k
100 k
100 k
470 k
No. of R/T
characteristic
8500
8501
8501
8501
8501
8502
8502
8502
8502
8502
8500
8507
8500
8502
8505
8505
8505
8507
8502
8507
8502
8507
8507
8507
8507
8507
8507
B
25/50
K
3590
3500
3500
3500
3500
3940
3940
3940
3940
3940
3590
4386
3590
3940
3380
3380
3470
4386
3940
4386
3940
4386
4386
4386
4386
4386
4386
B
25/85
K
3635
3540
3540
3540
3540
3980
3980
3980
3980
3980
3635
4455
3635
3980
3435
3435
3510
4455
3980
4455
3980
4455
4455
4455
4455
4455
4455
B
25/100
K
3650
±3%
3550
±3%
3550
±3%
3550
±3%
3550
±3%
4000
±3%
4000
±3%
4000
±3%
4000
±3%
4000
±3%
3650
±3%
4480
±3%
3650
±3%
4000
±3%
3460
±1%
3460
±1%
3530
±3%
4480
±3%
4000
±3%
4480
±3%
4000
±3%
4480
±3%
4480
±3%
4480
±1%
4480
±1%
4480
±3%
4480
±3%
Ordering code
B57311V2470+060
B57311V2101+060
B57311V2151+060
B57311V2221+060
B57311V2331+060
B57321V2471+060
B57321V2681+060
B57321V2102+060
B57321V2152+060
B57321V2222+060
B57301V2472+060
B57371V2682+060
B57301V2103+060
B57321V2103+060
B57354V2103+060
B57354V2103F060
B57619C5103J060
B57371V2103+060
B57321V2223+060
B57371V2223+060
B57321V2473+060
B57371V2473+060
B57371V2683+060
B57374V2104+060
B57374V2104F060
B57371V2104+060
B57371V2474+060
+ = Resistance tolerance
F =
±1%
(only for B57354V2103F060 and B57374V2104F060)
H =
±3%
J =
±5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 21
Temperature measurement and compensation
SMD NTC thermistors, case size 0603 (1608)
B573**V2/ B57619C5
Reliability data
SMD NTC thermistors are tested in accordance with IEC 60068. The parts are mounted on a
standardized PCB in accordance with IEC 60539-1.
Test
Storage in
dry heat
Standard
IEC
60068-2-2
JIS C 0021
Test conditions
∆R
25
/R
25
(typical)
< 2%
Remarks
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Solderability
Storage at upper
category temperature
T: (125
±2) °C
t: 1000 h
IEC
Temperature of air: (40
±2) °C
60068-2-78 Relative humidity of air:
JIS C 0022 (93 +2/ 3)%
Duration: 56 days
1)
IEC
Lower test temperature: 55
°C
60068-2-14 Upper test temperature: 125
°C
JIS C 0025 Number of cycles: 100
2)
P
max
: 180 mW
T: (65
±2) °C
t: 1000 h
IEC
Solderability:
60068-2-58 (215
±3) °C,
(3
±0.3)
s
JIS C 0054 (245
±5) °C,
(3
±0.3)
s
Resistance to soldering heat:
(260
±5) °C,
(10
±1)
s
Reflow soldering profile
Wave soldering profile
< 2%
1)
< 2%
2)
< 2%
3)
95% of
terminations
wetted
Resistance drift
after soldering
1)
2)
3)
4)
< 1%
4)
Except B57619C5103J060 duration: 21 days,
∆R
25
/R
25
(typical): < 3%
Except B57619C5103J060 number of cycles:10,
∆R
25
/R
25
(typical): < 3%
Except B57619C5103J060
∆R
25
/R
25
(typical): < 5%
Except B57354V2103F060 and B57354V2103+060
∆R
25
/R
25
(typical): < 3%; B57619C5103J060
∆R
25
/R
25
(typical): < 5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 21
Temperature measurement and compensation
SMD NTC thermistors, case size 0603 (1608)
B573**V2/ B57619C5
R/T characteristics
R/T No.
T (°C)
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
80.0
85.0
90.0
95.0
100.0
105.0
110.0
115.0
120.0
125.0
130.0
135.0
140.0
145.0
150.0
8500
8501
8502
B
25/100
= 3650 K
B
25/100
= 3550 K
B
25/100
= 4000 K
R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K)
63.917
45.889
33.344
24.504
18.201
13.657
10.347
7.9114
6.1019
4.7454
3.7198
2.938
2.3372
1.8722
1.5096
1.2249
1.0000
0.82111
0.67798
0.56279
0.46958
0.39374
0.33171
0.28073
0.23863
0.2037
0.17459
0.15022
0.12975
0.11247
0.097838
0.085396
0.074781
0.065691
0.057883
0.051153
0.045335
0.040289
0.0359
0.032071
0.028723
0.025786
6.8
6.5
6.3
6.1
5.8
5.6
5.5
5.3
5.1
4.9
4.8
4.6
4.5
4.4
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
3.0
2.9
2.8
2.8
2.7
2.6
2.6
2.5
2.4
2.4
2.3
2.3
2.2
2.2
2.1
56.633
41.134
30.209
22.42
16.807
12.721
9.7156
7.4854
5.8152
4.5537
3.5931
2.8558
2.2857
1.8416
1.4934
1.2184
1.0000
0.82537
0.68495
0.57139
0.47905
0.40358
0.34158
0.2904
0.24795
0.21259
0.183
0.15813
0.13715
0.11938
0.10427
0.091375
0.080333
0.070846
0.062666
0.055592
0.049454
6.5
6.3
6.1
5.9
5.7
5.5
5.3
5.1
5.0
4.8
4.7
4.5
4.4
4.3
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
3.0
2.9
2.8
2.7
2.7
2.6
2.5
2.5
2.4
2.4
2.3
96.158
66.892
47.127
33.606
24.243
17.681
13.032
9.702
7.2923
5.5314
4.2325
3.2657
2.54
1.9907
1.5716
1.2494
1.0000
0.80552
0.65288
0.53229
0.43645
0.35981
0.29819
0.24837
0.20787
0.17479
0.14763
0.12523
0.10667
0.091227
0.078319
0.067488
0.058363
0.050647
0.044098
0.03852
0.033752
0.029663
0.026146
0.023111
0.020484
0.018203
7.4
7.1
6.9
6.6
6.4
6.2
6.0
5.8
5.6
5.4
5.3
5.1
4.9
4.8
4.7
4.5
4.4
4.3
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.2
3.1
3.0
2.9
2.9
2.8
2.7
2.7
2.6
2.6
2.5
2.4
2.4
2.3
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 21
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