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B57311 Datasheet(PDF) 1 Page - EPCOS

Part No. B57311
Description  Temperature Measurement SMD NTC Thermistors with Nickel Barrier Termination
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Maker  EPCOS [EPCOS]
Homepage  http://www.epcos.com
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B57311 Datasheet(HTML) 1 Page - EPCOS

   
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50
05/02
Applications
I Temperature measurement and compensation in
– mobile phone applications
(e.g. battery pack, TCXO, LCD)
– data systems
– automotive electronics
Features
I Multilayer SMD NTC with inner electrodes
I Ni barrier termination (Ag/Ni/Sn)
I High accuracy:
± 5 % in resistance,
B value tolerance down to
± 1,5 % available on request
I Excellent long-term ageing stability in high-temperature
and high-humidity environment
I Superior resistance stability during soldering (change < 1 %)
Options
Alternative resistance ratings, resistance tol.
< 5 % and B value tol. < 3 % available on request
Delivery mode
Cardboard tape, 180-mm reel, PU: 4000 pcs (standard); 330-mm reel, PU: 16 000 pcs (on request)
Climatic category (IEC 60068-1)
Max. power at 25
°C (on PCB)
P251)
Resistance tolerance
∆RN/RN
Rated temperature
TN
B value tolerance
∆B/B
Dissipation factor (on PCB)
δth1)
Thermal cooling time constant (on PCB)
τ
c
1)
Heat capacity
Cth1)
55/125/56
180
± 5 %, ± 10 %
25
± 3 %
approx. 3,0
approx. 4,0
approx. 12,0
mW
°C
mW/K
s
mJ/K
R25
No. of R/T
characteristic
B25/50
K
B25/85
K
B25/100
K
Ordering code
47
8501
3470
3540
3550
B57311V2470+060
100
8501
3470
3540
3550
B57311V2101+060
150
8501
3470
3540
3550
B57311V2151+060
220
8501
3470
3540
3550
B57311V2221+060
330
8501
3470
3540
3550
B57311V2331+060
470
8502
3940
3980
4000
B57321V2471+060
680
8502
3940
3980
4000
B57321V2681+060
1,0 k
8502
3940
3980
4000
B57321V2102+060
1,5 k
8502
3940
3980
4000
B57321V2152+060
10 k
8502
3940
3980
4000
B57321V2103+060
Termination
0,8±0,15
TNT0396-Y
0,9 max.
Dimensions in mm
Approx. weight 6 mg
1) Depends on mounting situation
B573**
Temperature Measurement
V3**
SMD NTC Thermistors with Nickel Barrier Termination, Size 0603


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