B57431V2473K062 [EPCOS]
RESISTOR, TEMPERATURE DEPENDENT, NTC, 47000ohm, SURFACE MOUNT, CHIP, 0805;
| 型号： | B57431V2473K062 |
| 厂家： | 
EPCOS |
| 描述： | RESISTOR, TEMPERATURE DEPENDENT, NTC, 47000ohm, SURFACE MOUNT, CHIP, 0805 |
| 文件： | 总4页 (文件大小：54K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Temperature Measurement
B574**
V 4**
SMD NTC Thermistors with Nickel Barrier Termination, Size 0805
Applications
1,25 0,15
1,3 max.*)
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 (AgNiSn)
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
TNT0421-1-E
* Slimline version 0,9 max.
* available upon request
Dimensions in mm
Approx. weight 13 mg
Options
Alternative resistance ratings, resistance tol. < 5 % and B value tol. < 3 % available on request
Delivery mode
Blister tape, 180-mm reel, PU: 3000 pcs (standard); 330-mm reel, PU: 12000 pcs (on request)
Climatic category (IEC 60068-1)
Max. power at 25 °C (on PCB)
Resistance tolerance
55/125/56
210
5 %, 10 %
25
1)
P25
mW
∆RN/RN
TN
Rated temperature
°C
B value tolerance
∆B/B
3 %
1)
Dissipation factor (on PCB)
Thermal cooling time constant (on PCB)
Heat capacity
δth
approx. 3,5
approx. 10,0
approx. 35,0
mW/K
s
mJ/K
1)
τc
1)
Cth
R25
No. of R/T
B25/50
B25/85
B25/100
Ordering code
characteristic
Ω
K
K
K
47
8501
8501
8501
8501
8501
3470
3470
3470
3470
3470
3540
3540
3540
3540
3540
3550
3550
3550
3550
3550
B57411V2470+062
B57411V2101+062
B57411V2151+062
B57411V2221+062
B57411V2331+062
100
150
220
330
1) Depends on mounting situation
53 05/02
Temperature Measurement
B574**
V 4**
SMD NTC Thermistors with Nickel Barrier Termination, Size 0805
R25
No. of R/T
B25/50
B25/85
B25/100
Ordering code
characteristic
Ω
K
K
K
470
680
8502
8502
8502
8502
8502
8503
8503
8503
8503
8503
8503
8503
8503
8503
8503
8503
3940
3940
3940
3940
3940
4390
4390
4390
4390
4390
4390
4390
4390
4390
4390
4390
3980
3980
3980
3980
3980
4470
4470
4470
4470
4470
4470
4470
4470
4470
4470
4470
4000
4000
4000
4000
4000
4500
4500
4500
4500
4500
4500
4500
4500
4500
4500
4500
B57421V2471+062
B57421V2681+062
B57421V2102+062
B57421V2152+062
B57421V2103+062
B57431V2222+062
B57431V2332+062
B57431V2472+062
B57431V2682+062
B57431V2103+062
B57431V2153+062
B57431V2223+062
B57431V2333+062
B57431V2473+062
B57431V2683+062
B57431V2104+062
1,0 k
1,5 k
10 k
2,2 k
3,3 k
4,7 k
6,8 k
10 k
15 k
22 k
33 k
47 k
68 k
100 k
+: J for ∆RN/RN
K for ∆RN/RN
=
=
5 %
10 %
54 05/02
Temperature Measurement
B574**
V 4**
SMD NTC Thermistors with Nickel Barrier Termination, Size 0805
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
Standard
Test conditions
∆R25/R25
Remarks
(typical)
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
< 2 %
JIS C 0021 T: (125 2) °C
t: 1000 h
Storage in damp
heat, steady state
IEC
60068-2-3
Temperature of air: (40 2) °C < 2 %
Relative humidity of air:
JIS C 0022 (93 +2/–3) %
Duration: 56 days
Rapid temperature IEC
Lower test temperature: – 55 °C < 2 %
cycling
60068-2-14 Upper test temperature: 125 °C
JIS C 0025 Number of cycles: 100
Endurance
Pmax: 210 mW
T: (65 2) °C
t: 1000 h
< 2 %
Solderability
IEC
Solderability:
95 % of
60068-2-58 (215 3) °C / (3 0,3) s
JIS C 0054 (235 5) °C / (2 0,2) s
terminations
wetted
Resistance to soldering heat:
(260 5) °C / (10 1) s
Resistance drift
after soldering
Reflow soldering profile
Wave soldering profile
< 1 %
55 05/02
Herausgegeben von EPCOS AG
Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne aus-
drückliche Genehmigung der EPCOS AG nicht gestattet.
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troindustrie, soweit nichts anderes vereinbart wird.
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zuholen.
Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representa-
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