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EPCOS - (B572xx) SMD NTC Thermistors

Numéro de référence B57211
Description (B572xx) SMD NTC Thermistors
Fabricant EPCOS 
Logo EPCOS 





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B57211 fiche technique
Temperature Measurement
SMD NTC Thermistors with Nickel Barrier Termination, Size 0402
SMD NTC thermistors with nickel barrier termination
Applications
I Temperature measurement and compensation in
mobile phone applications (e.g. battery pack, TCXO, LCD)
data systems
automotive electronics
0,5±0,05
B572**
V 2**
0,6 max.
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 %)
Termination
TNT0395-Q
Dimensions in mm
Approx. weight 4,5 mg
Options
Alternative resistance ratings, resistance tol. < 5 % and B value tol. < 3 % available on request
Delivery mode
Cardboard tape, 180-mm reel, PU: 10000 pcs
Climatic category (IEC 60068-1)
Max. power at 25 °C (on PCB)
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor (on PCB)
Thermal cooling time constant (on PCB)
Heat capacity
P251)
RN/RN
TN
B/B
δth1)
τc1)
Cth1)
55/125/56
150
± 5 %, ± 10 %
25
±3%
approx. 2,5
approx. 3,0
approx. 7,5
mW
°C
mW/K
s
mJ/K
R25
100
150
220
330
470
1,0 k
1,5 k
2,2 k
3,3 k
4,7 k
10 k
No. of R/T
characteristic
8501
8501
8501
8501
8501
8502
8502
8502
8502
8502
8502
1) Depends on mounting situation
B25/50
K
3470
3470
3470
3470
3470
3940
3940
3940
3940
3940
3940
B25/85
K
3540
3540
3540
3540
3540
3980
3980
3980
3980
3980
3980
B25/100
K
3550
3550
3550
3550
3550
4000
4000
4000
4000
4000
4000
Ordering code
B57211V2101+060
B57211V2151+060
B57211V2221+060
B57211V2331+060
B57211V2471+060
B57221V2102+060
B57221V2152+060
B57221V2222+060
B57221V2332+060
B57221V2472+060
B57221V2103+060
48 05/02

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