B57237S0509M053 [EPCOS]

RESISTOR, TEMPERATURE DEPENDENT, NTC, 5ohm, THROUGH HOLE MOUNT, RADIAL LEADED;
B57237S0509M053
型号: B57237S0509M053
厂家: EPCOS    EPCOS
描述:

RESISTOR, TEMPERATURE DEPENDENT, NTC, 5ohm, THROUGH HOLE MOUNT, RADIAL LEADED

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Inrush Current Limiters  
Applications  
B57237  
S 237  
I Switch-mode power supplies  
I Soft-start motors, e.g. in vacuum cleaners  
Features  
I Useable in series connections up to 265 Vrms  
I Coated thermistor disk  
I Kinked leads of tinned copper wire  
I Wide resistance range  
I UL approval (E69802)  
Options  
Dimensions in mm  
Resistance tolerance < 20 % available on request  
Approx. weight 2 g  
Delivery mode  
Bulk (standard), cardboard tape, reeled or in Ammo pack  
Climatic category (IEC 60068-1)  
55/170/56  
3,1  
20 %  
25  
Max. power at 25 °C  
Resistance tolerance  
Rated temperature  
Pmax  
RN/RN  
TN  
W
°C  
B value tolerance  
B/B  
δth  
τc  
3 %  
Dissipation factor (in air)  
Thermal cooling time constant (in air)  
Heat capacity  
approx. 17  
approx. 90  
approx. 1530  
mW/K  
s
mJ/K  
Cth  
1)  
1)  
R25  
Imax  
No. of  
B25/100 CT  
CT  
Parameters for  
Ordering code  
(25 °C) R/T char-  
230 V 110 V R(I)1)  
A
acteristic  
K
µF  
µF  
k
n
1,0  
9,0  
7,0  
6,5  
5,1  
5,0  
4,2  
3,7  
3,0  
2,8  
2,5  
1201  
1202  
1202  
1203  
1203  
1302  
1308  
1302  
1304  
1304  
2700  
2800  
2800  
2900  
2900  
3060  
3060  
3000  
3300  
3300  
700  
700  
700  
700  
700  
700  
700  
700  
700  
900  
2800 0,622  
2800 0,806  
2800 0,843  
2800 1,03  
2800 1,05  
2800 1,16  
2800 1,29  
2800 1,49  
2800 1,57  
3600 1,78  
1,27  
1,30  
1,30  
1,32  
1,32  
1,33  
1,34  
1,33  
1,37  
1,37  
B57237S0109M000  
B57237S0229M000  
B57237S0259M000  
B57237S0479M000  
B57237S0509M000  
B57237S0709M000  
B57237S0100M000  
B57237S0150M000  
B57237S0220M000  
B57237S0330M000  
2,2  
2,5  
4,7  
5,0  
7,0  
10  
15  
22  
33  
1) For details on the capacitance CT as well as on the parameters k and n refer to Application Notes, pages 4042.  
136 05/02  
Inrush Current Limiters  
Reliability data  
B57237  
S 237  
Test  
Standard  
Test conditions  
R25/R25  
Remarks  
(typical)  
Storage in  
dry heat  
IEC  
60068-2-2  
Storage at upper  
category temperature  
T: 170 °C  
< 10 %  
No visible  
damage  
t: 1000 h  
Storage in damp  
heat, steady state  
IEC  
60068-2-3  
Temperature of air: 40 °C  
Relative humidity of air: 93 %  
Duration: 21 days  
< 5 %  
No visible  
damage  
Rapid temperature IEC  
Lower test temperature: 55 °C < 10 %  
No visible  
damage  
cycling  
60068-2-14 Upper test temperature: 170 °C  
Number of cycles: 10  
Endurance  
I = Imax  
t: 1000 h  
< 10 %  
< 10 %  
No visible  
damage  
Cyclic  
endurance  
I = Imax, 1000 cycles  
On-time = 1 min  
No visible  
damage  
Cooling time = 6 min  
Transient  
load  
Capacitance = CT  
Number of cycles: 1000  
< 5 %  
No visible  
damage  
137 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.  
Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek-  
troindustrie, soweit nichts anderes vereinbart wird.  
Diese Broschüre ersetzt die vorige Ausgabe.  
Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG  
oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe ent-  
halten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft ein-  
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-  
tives.  
Due to technical requirements components may contain dangerous substances. For information on the type in question please  
also contact one of our Sales Offices.  

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