NTC thermistors for
temperature measurement
SMD NTC thermistors,
case size 0805 (2012), standard series
Series/Type:
Date:
B574**V2/ B57620C5
June 2012
The following products presented in this data sheet are being withdrawn.
Ordering Code
B57411V2470+062
B57411V2331+062
B57411V2221+062
Substitute Product
Date of
Withdrawal
2012-11-09
2012-11-09
2012-11-09
Deadline Last
Orders
2013-03-01
2013-03-01
2013-03-01
Last Shipments
2013-06-01
2013-06-01
2013-06-01
© EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Ordering Code
B57411V2151+062
B57411V2101+062
B57421V2681+062
B57421V2471+062
Substitute Product
Date of
Withdrawal
2012-11-09
2012-11-09
2012-11-09
2012-11-09
Deadline Last
Orders
2013-03-01
2013-03-01
2013-03-01
2013-03-01
Last Shipments
2013-06-01
2013-06-01
2013-06-01
2013-06-01
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
Temperature measurement and compensation
SMD NTC thermistors, case size 0805 (2012)
B574**V2/ B57620C5
Standard series
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
Blister tape, 180-mm reel (standard);
330-mm reel (on request)
General technical data
Operating temperature range
Max. power
Resistance tolerance
Rated temperature
Dissipation factor
Thermal cooling time constant
Heat capacity
Dimensional drawing
Dimensions in mm
Approx. weight 13 mg
T
op
(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
210
±3, ±5
25
approx. 3.5
approx. 10
approx. 35
°C
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 0805 (2012)
B574**V2/ B57620C5
Standard series
Electrical specification and ordering codes
R
25
Ω
47
100
150
220
330
470
680
1.0 k
1.0 k
1.5 k
2.2 k
3.3 k
4.7 k
4.7 k
6.8 k
10 k
10 k
10 k
10 k
15 k
22 k
22 k
33 k
33 k
47 k
47 k
100 k
470 k
680 k
No. of R/T
characteristic
8500
8501
8501
8501
8501
8502
8502
1010
8502
8502
8502
8502
8500
8507
8507
1011
8500
8502
8507
8502
8502
8507
8502
8507
8502
8507
8507
8507
8507
B
25/50
K
3590
3500
3500
3500
3500
3940
3940
3470
3940
3940
3940
3940
3590
4386
4386
3660
3590
3940
4386
3940
3940
4386
3940
4386
3940
4386
4386
4386
4386
B
25/85
K
3635
3540
3540
3540
3540
3980
3980
3514
3980
3980
3980
3980
3635
4455
4455
3720
3635
3980
4455
3980
3980
4455
3980
4455
3980
4455
4455
4455
4455
B
25/100
K
3650
±3%
3550
±3%
3550
±3%
3550
±3%
3550
±3%
4000
±3%
4000
±3%
3530
±3%
4000
±3%
4000
±3%
4000
±3%
4000
±3%
3650
±3%
4480
±3%
4480
±3%
3730
±3%
3650
±3%
4000
±3%
4480
±3%
4000
±3%
4000
±3%
4480
±3%
4000
±3%
4480
±3%
4000
±3%
4480
±3%
4480
±3%
4480
±3%
4480
±3%
Ordering code
B57411V2470+062
B57411V2101+062
B57411V2151+062
B57411V2221+062
B57411V2331+062
B57421V2471+062
B57421V2681+062
B57620C5102+062
B57421V2102+062
B57421V2152+062
B57421V2222+062
B57421V2332+062
B57401V2472+062
B57471V2472+062
B57471V2682+062
B57620C5103+062
B57401V2103+062
B57421V2103+062
B57471V2103+062
B57421V2153+062
B57421V2223+062
B57471V2223+062
B57421V2333+062
B57471V2333+062
B57421V2473+062
B57471V2473+062
B57471V2104+062
B57471V2474+062
B57471V2684+062
+ = Resistance tolerance
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 0805 (2012)
B574**V2/ B57620C5
Standard series
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%
1)
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
2)
IEC
Lower test temperature: 55
°C
60068-2-14 Upper test temperature: 125
°C
JIS C 0025 Number of cycles: 100
3)
P
max
: 210 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%
2)
< 2%
3)
< 2%
4)
95% of
terminations
wetted
Resistance drift
after soldering
1)
2)
3)
4)
5)
< 1%
5)
Except B57620C5102+062
∆R
25
/R
25
(typical): < 6%, B57620C5103+062
∆R
25
/R
25
(typical): < 3%
Except B57620C5102+062 and B57620C5103+062 duration: 21 days,
∆R
25
/R
25
(typical): < 3%
Except B57620C5102+062 and B57620C5103+062 number of cycles: 10,
∆R
25
/R
25
(typical): < 3%
Except B57620C5102+062 and B57620C5103+062
∆R
25
/R
25
(typical): < 5%
Except B57620C5102+062 and B57620C5103+062
∆R
25
/R
25
(typical): < 5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 21
