datasheet for B57045K0104K000 by Epcos

datasheet for B57045K0104K000 by Epcos
NTC thermistors for
temperature measurement
Probe assemblies
Series/Type: B57045K
Date: February 2009
' EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures here
information contained therein without EPCOS’ prior express consent is prohibited.
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EPCOS
Temperature measurement B57045K
Probe assemblies K45
Applications Dimensional drawing
E Temperature compensation, measurement
and control (chassis mounting) 5
Features
— Y
E Cost-effective LIN) oo
U) ?
E Good thermal coupling through screw-type |
case (thread M3) M3
NE Electrically isolated aluminum case i
B Tinned copper leads ~
|
Options © | | A
E Tighter resistance tolerance available on | E
request. =
| | | Y
Delivery mode ©
Bulk | Y
20.6
TNT0009-A-E
Dimensions in mm
Approx. weight 1 g
General technical data
Climatic category (IEC 60068-1) 55/125/56
Max. power (at 26) Pos 450 mW
Resistance tolerance DR,/R | -10 %
Rated temperature Tr 25 C
Dissipation factor (in air) den approx. 9 mW/K
Dissipation factor (on chassis) | du approx. 20 mW/K
Thermal cooling time constant (in air) t approx. 75 5
Thermal cooling time constant (on chassis)| t approx. 15 5
Torque approx. 0.5 Nm
Insulation resistance (V=100 V DCIR;,s > 100 MW
Test voltage (t=1s) Vist 2500 V AC
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Temperature measurement B57045K
Probe assemblies K45
Electrical specification and ordering codes
Ros No. of R/T Bo5/100 Ordering code
W characteristic K
1k 1011 3730-3% B57045K0102K000
2.2k 1013 3900-3% B57045K0222K000
4.7k 4001 3950-3% B57045K0472K000
6.8k 2903 4200-3% B57045K0682K000
10 k 2904 4300-3% B57045K0103K000
33 k 1012 4300-3% B57045K0333K000
47 k 4003 4450-3% B57045K0473K000
68 k 2005 4600-3% B57045K0683K000
100 k 2005 4600-3% B57045K0104K000
150 k 2005 4600-3% B57045K0154K000
Reliability data
Test Standard | Test conditions DR ,5/ Rs Remarks
(typical)
Storage in TEC Storage at upper < 3% No visible
dry heat 60068-2-2 | category temperature damage
T: 125C
t: 1000 h
Storage in damp | IEC Temperature of air :C40 < 3% No visible
heat, steady stakel0068-2-78Relative humidity of air: 98% damage
Duration: 56 days
Endurance Pox: 450 mW < 3% No visible
t: 1000 h damage
Long-term stability Temperature: 100 < 5% No visible
(empirical value) t: 10000 h damage
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Temperature measurement B57045K
Probe assemblies K45
R/T characteristics
R/T No. | 1011 1012 1013
T (C) B25/1007 3730 K B25/1007 4300 К B25/1007 3900 K
R+/Rs à (%/K)R,/Rs à (%/K)R,/Rs a (%/K)
55.0| 70.014 6.9 87.237 6.8 77.285 7.0
50.0]49.906 6.7 62.264 6.7 54.938 6.7
45.0| 36.015 6.4 44.854 6.5 39.507 6.5
40.0| 26.296 6.2 32.599 6.3 28.722 6.3
35.0/19.411 6.0 23.893 6.1 21.099 6.1
30.0/14.479 5.8 17.654 6.0 15.652 5.9
25.0110.903 5.6 13.098 5.8 11.715 5.7
20.0 8.2923 5.4 9.8059 5.7 8.8541 5.6
15.0] 6.3591 5.2 7.4266 5.5 6.7433 5.4
10.0] 4.9204 5.1 5.6677 5.4 5.1815 5.2
5.01 3.8279 4.9 4.3213 5.3 4.0099 5.1
0.0] 3.0029 4.8 3.3208 5.1 3.1283 4.9
5.01 2.3773 4.6 2.5842 5.0 2.4569 4.8
10.0] 1.8959 4.5 2.0238 4.9 1.9438 4.6
15.0] 1.5207 4.3 1.5858 4.8 1.5475 4.5
20.0 1.228 4.2 1.2507 4.7 1.2403 4.4
25.0| 1.0000 4.1 1.0000 4.5 1.0000 4.3
30.0] 0.81779 3.9 0.7964 4.4 0.81104 4.1
35.0| 0.67341 3.8 0.64053 4.3 0.66146 4.0
40.0| 0.55747 3.7 0.51772 4.2 0.54254 3.9
45.0] 0.46357 3.6 0.41958 4.1 0.44727 3.8
50.0] 0.3874 3.6 0.34172 4.1 0.37067 3.7
55.0] 0.32368 3.5 0.27877 4.0 0.30865 3.6
60.0] 0.272 3.4 0.22861 3.9 0.25825 3.5
65.0 0.23041 3.3 0.18872 3.8 0.21707 3.4
70.0] 0.19604 3.2 0.15645 3.7 0.18323 3.3
75.0] 0.16735 3.1 0.13012 3.6 0.15535 3.3
80.0 0.14342 3.0 0.10863 3.6 0.13223 3.2
85.0] 0.12347 3.0 0.091115 3.5 0.11302 3.1
90.0 0.10668 2.8 0.0767 3.4 0.096951 3.0
95.0 0.092734 2.8 0.064867 3.3 0.083487 3.0
100.01 0.080903 2.8 0.055047 3.3 0.072139 2.9
105.0] 0.070616 2.7 0.046797 3.2 0.062559 2.8
110.0] 0.061826 2.6 0.039904 3.1 0.054425 2.8
115.0| 0.054282 2.6 0.034255 3.1 0.047508 2.7
120.0| 0.047793 2.5 0.029498 3.0 0.041594 2.6
125.0| 0.042249 2.4 0.025448 3.0 0.036532 2.6
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Temperature measurement B57045K
Probe assemblies K45
R/T characteristics
R/T No. | 2005 2903 2904
T(C) B25/1007 4600 K B25/1007 4200 K B25/1007 4300 К
В / В: à (%/K)R,/Rs à (%/K)R,/Rs a (%/K)
55.0/120.22 7.0 120.03 7.77 121.46 7.4
50.0 85.48 6.9 82.38 7.4 84.439 7.2
45.0| 61.004 6.8 57.248 7.2 59.243 7.1
40.0| 43.712 6.7 40.255 7.0 41.938 6.9
35.01 31.459 6.6 28.627 6.7 29.947 6.7
30.01 22.746 6.6 20.577 6.6 21.567 6.6
25.0 16.49 6.4 14.876 6.4 15.641 6.3
20.01 12.071 6.3 10.88 6.1 11.466 6.2
15.0 8.8455 6.1 8.0808 5.9 8.451 6.0
10.0 6.5446 6.0 6.0612 5.8 6.2927 5.9
5.0 4.8852 5.8 4.5649 5.6 4.7077 5.7
0.0 3.6781 5.6 3.4708 5.4 3.5563 5.5
5.0 2.7944 5.4 2.6625 5.2 2.7119 5.3
10.0 2.1391 5.3 2.0599 5.1 2.086 5.1
15.0 1.6507 5.1 1.6069 4.9 1.6204 5.0
20.0 1.2823 5.1 1.2631 4.8 1.2683 4.8
25.0 1.0000 5.0 1.0000 4.6 1.0000 4.7
30.0 0.78393 4.8 0.79593 4.5 0.7942 4.6
35.0 0.61822 4.7 0.63796 4.4 0.63268 4.5
40.0 0.49053 4.6 0.51467 4.2 0.5074 4.3
45.0 0.39116 4.5 0.41887 4.1 0.41026 4.2
50.0 0.31371 4.3 0.34272 4.0 0.33363 4.1
55.0 0.25338 4.2 0.28081 3.9 0.27243 4.0
60.0 0.20565 4.2 0.23141 3.8 0.2237 3.9
65.0 0.16762 4.1 0.19211 3.7 0.18459 3.8
70.0 0.13726 4.0 0.16027 3.6 0.15305 3.7
75.0 0.11279 3.9 0.13421 3.5 0.12755 3.6
80.0 0.093053 |3.8 0.11288 3.4 0.10677 3.5
85.0 0.077177 13.7 0.095326 | 3.3 0.089928 |3.4
90.0 0.064263 13.6 0.080828 | 3.2 0.076068 | 3.3
95.0 0.053678 |3.6 0.068916 |3.2 0.064524 13.3
100.0 0.044996 13.5 0.058989 |3.1 0.054941 13.2
105.0 0.037917 13.4 0.050701 |3.0 0.047003 13.1
110.0 0.032063 |3.4 0.043735 |3.0 0.040358 | 3.0
115.0 0.027161 13.3 0.037778 |2.9 0.034743 |3.0
120.0 0.023079 13.2 0.032736 |2.8 0.030007 12.9
125.0 0.01968 3.2 0.028513 12.7 0.026006 12.8
130.0 0.022609 12.8
135.0 0.01972 2.7
140.0 0.017251 |2.6
145.0 0.015139 | 2.6
150.0 0.013321 12.5
155.0 0.011754 12.5
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EPCOS
Temperature measurement B57045K
Probe assemblies K45
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Temperature measurement B57045K
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R/T characteristics
R/T No. | 4001 4003
T (C) B25/1007 3950 K B25/1007 4450 K
R1/Rs à (%/K)R,/Rs a (%/K)
55.0| 88.052 7.3 103.81 6.8
50.0| 61.65 7.0 73.707 6.7
415.01 43.727 6.8 52.723 6.6
40.0| 31.395 6.5 37.988 6.5
35.0122.802 6.3 27.565 6.4
30.01 16.742 6.2 20.142 6.2
25.0| 12.367 6.0 14.801 6.1
20.0| 9.2353 5.6 10.976 5.9
15.0| 7.0079 5.4 8.1744 5.8
10.0] 5.3654 5.4 6.1407 5.7
5.01 4.126 5.2 4.6331 5.5
0.0] 3.2 5.0 3.5243 5.4
5.0 2.4986 4.9 2.6995 5.3
10.0| 1.9662 4.7 2.0831 5.1
15.0] 1.5596 4.6 1.6189 5.0
20.0 1.2457 4.5 1.2666 4.9
25.0| 1.0000 4.4 1.0000 4.7
30.0| 0.80355 4.2 0.78351 4.6
35.0 0.65346 4.1 0.62372 4.5
40.0| 0.53456 4.0 0.49937 4.4
45.0| 0.43966 3.9 0.40218 4.3
50.0] 0.36357 3.8 0.32557 4.2
55.0| 0.30183 3.7 0.26402 4.1
60.0] 0.25189 3.6 0.21527 4.0
65.0 0.21136 3.5 0.17693 3.9
70.0] 0.17819 3.4 0.14616 3.8
75.0] 0.15089 3.3 0.12097 3.7
80.0] 0.12833 3.2 0.10053 3.7
85.0 0.10948 3.1 0.083761 |3.6
90.0] 0.093748 3.0 0.070039 13.5
95.0| 0.080764 2.9 0.058937 |3.4
100.0] 0.069842 2.9 0.049777 13.4
105.0] 0.060455 2.9 0.042146 |3.3
110.0] 0.052498 2.8 0.035803 |3.2
115.0] 0.04574 2.7 0.030504 13.2
120.0] 0.039972 2.7 0.026067 |3.1
125.0] 0.034984 2.6 0.022332 13.0
130.0 0.019186 |3.0
135.0 0.016515 | 2.9
140.0 0.014253 12.9
145.0 0.012367 |2.8
150.0 0.010758 | 2.8
155.0 0.0093933| 2.7
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EPCOS
Temperature measurement B57045K
Probe assemblies K45
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m
7400
EPCOS
Temperature measurement B57045K
Probe assemblies K45
Cautions and warnings General
See "Important notes" at the end of this document.
Storage
E Store thermistors only in original packaging. Do not open the package prior to storac
E Storage conditions in original packaging: storage tmmCeratudel, relative
humidits7/5% annual mean, <95% maximum 30 days per annum, dew precipitationis
inadmissible.
E Do not store thermistors where they are exposed to heat or direct sunlight. Otherwise
packing material may be deformed or components may stick together, causing problems
mounting.
E Avoid contamination of thermistor surface during storage, handling and processing.
Avoid storage of thermistors in harmful environments like corrgsdietakes (SO
NE Use the components as soon as possible after opening the factory seals, i.e. the
polyvinyl-sealed packages.
E Solder thermistors within the time specifiedafter shipment from EPCOS.
For leaded components this is 24 months, for SMDs 12 months.
Handling
E NTC thermistors must not be dropped. Chip-offs or any other damage must not be caused
during handling of NTCs.
E Do not touch components with bare hands. Gloves are recommended.
E Avoid contamination of thermistor surface during handling.
Bending / twisting leads
E Alead (wire) may be bent at aminimumdistance of twice thewire s diameter plus 4 mm:
the component head or housing. When bending ensure the wire is mechanically relieved
component head or housing. The bending radius should be at least 0.75 mm.
HB Twisting (torsion) bypyf&llead bent by 9% permissible at 6 mm from the bottom of the
thermistor body.
Soldering
E Use resin-type flux or non-activated flux.
E Insufficient preheating may cause ceramic cracks.
E Rapid cooling by dipping in solvent is not recommended.
E Complete removal of flux is recommended.
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Temperature measurement B57045K
Probe assemblies K45
Mounting
B Ensure that no thermo-mechanical stress occurs due to production processes (curing c
overmolding processes) when thermistors are sealed, potted or overmolded or during t
subsequent operation. The maximum temperature of the thermistor must not be exceedec
Ensure that the materials used (sealing/potting compound and plastic material) are
neutral.
Electrodes/contacts must not be scratched or damaged before/during/after the mount:
process.
Contacts and housing used for assembly with the thermistor must be clean before mount
Ensure that adjacent materials are designed for operation at temperatures comparabl
surface temperature of the thermistor. Be sure that surrounding parts and materials
withstand the temperature.
Avoid contamination of the thermistor surface during processing.
The connections of sensors (e.g. cable end, wire end, plug terminal) may only be expo
an environment with normal atmospheric conditions.
Tensile forces on cables or leads must be avoided during mounting and operation.
Bending or twisting of cables or leads directly on the thermistor body is not permiss
Avoid using chemical substances as mounting aids. It must be ensured that no water or
liquids enter the NTC thermistors (e.g. through plug terminals). In particular, wate
substances (e.g. soap suds) must not be used as mounting aids for sensors.
Operation
Use thermistors only within the specified operating temperature range.
Use thermistors only within the specified power range.
Environmental conditions must not harm the thermistors. Only use the thermistors unc
normal atmospheric conditions or within the specified conditions.
Contact of NTC thermistors with any liquids and solvents should be prevented. It must
ensured that no water enters the NTC thermistors (e.g. through plug terminals). For
measurement purposes (checking the specified resistance vs. temperature), the compe
must not be immersed in water but in suitable liquids (e.g. Galden).
Avoid dewing and condensation unless thermistor is specified for these conditions.
Bending or twisting of cables and/or wires is not permissible during operation of the
the application.
Be sure to provide an appropriate fail-safe function to prevent secondary product da
caused by malfunction.
This listing does not claim to be complete, but merely reflects the experience of EPCOS
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Temperature measurement B57045K
Probe assemblies K45
Symbols and terms
Symbol English German
A Area Fl che
AWG American Wire Gauge Amerikanische Norm £ r Drahtquerschnitte
B B value B-Wert
B»5/100 B value determined by resistancd B-Wert, ermittelt durch Widerstands-
measurement at 25 and 100 C messungen bei 25C und 100 C
Cin Heat capacitance W rmekapazit t
I Current Strom
N Number (integer) Anzahl (ganzzahliger Wert)
Pos Maximum power at 25C Maximale Leistung [email protected]
Paiss Power dissipation Verlustleistung
Par Electrical power Elektrische Leistung
Pax Maximum power within stated Maximale Leistung im
temperature range angegebenenTemperaturbereich
DR ,/R Resistance tolerance caused by |Widerstandstoleranz, die durch die
spread of B value Streuung des B-Wertes verursacht wird
R ins Insulation resistance Isolationswiderstand
Rp Parallel resistance Parallelwiderstand
Ry Rated resistance Nennwiderstand
DR,/R Resistance tolerance Widerstandstoleranz
Rs Series resistance Serienwiderstand
e Resistance at temperature T Widerstand bei Temperatur T
(e.g.,R= resistance at 2b (Z.B.B=Widerstand bei 25)
T Temperature Temperatur
DT Temperature tolerance Temperaturtoleranz
t Time Zeit
Ta Ambient temperature Umgebungstemperatur
Т пах Upper category temperature Obere Grenztemperatur
(Kategorietemperatur)
Tin Lower category temperature Untere Grenztemperatur
(Kategorietemperatur)
Top Operating temperature Betriebstemperatur
Tr Rated temperature Nenntemperatur
Turf Surface temperature Oberfl chentemperatur
V Voltage Spannung
Vins Insulation test voltage Isolationspr fspannung
М ор Operating voltage Betriebsspannung
Vitest Test voltage Pr fspannung
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EPCOS
Temperature measurement B57045K
Probe assemblies
K45
Symbol English German
Temperature coefficient Temperaturkoeffizient
Tolerance, change Toleranz, nderung
Eh Dissipation factor W rmeleitwert
t Thermal cooling time constant Thermische Abk hlzeitkonstante
t Thermal time constant Thermische Zeitkonstante
Abbreviations / Notes
Symbol
English
German
SMD
*
Surface-mounted devices
То be replaced by a number in ordá
codes, type designations etc.
To be replaced by a letter.
All dimensions are given in mm.
The commas used in numerical vall
Oberfl chenmontierbares Bauelement
pPintzhalter f r Zahl im Bestellnummern-
code oder f r die Typenbezeichnung.
Platzhalter £ r einen Buchstaben.
AlleMa e sind in mm angegeben.
ıYsrwendete Kommas in Zahlenwerten
denote decimal points.
bezeichnen Dezimalpunkte.
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EPCOS
Important notes
The following applies to all products named in this publication:
1.
Some parts of this publication sbatamants about the suitability of our products for
certain areas of applicatibase statements are based on our knowledge of typical r
quirements that are often placed on our products in the areas of application conce
nevertheless expressly poihhadbutuch statements cannot be regarded as binding
statements about the suitability of our products for a particular customer applic
As a rule, EPCOS is either unfamiliar with individual customer applications or 1
with them than the customers themselves. For these reasons, it is always ultimate
bent on the customer to check and decide whether an EPCOS product with the propertice
scribed in the product specification is suitable for use in a particular customer aj
We also point out thatindividual cases, a malfunction of electronic components ©
failure before the end of their usual service life cannot be completely ruled out
current state of the art, even if they are operated as.shecifsitedher applications
requiring a very high level of operational safety and especially in customer ap
which the malfunction or failure of an electronic component could endanger huma:
health (e.g. in accident prevention or lifesaving systems), it must therefore b
means of suitable design of the customer application or other action taken by the
(e.g. installation of protective circuitry or redundancy) that no injury or damage
third parties in the event of malfunction or failure of an electronic component.
The warnings, cautions and product-specific notes must be observed.
In order to satisfy certain technical resomearfehhs,products described in this
publication may contain substances subject to restrictions in certain jurisdictic
because they are classed as hazardouBÿeful information on this will be found in our
terial Data Sheets on the Internet (www.epcos.com/material). Should you have any 1
tailed questions, please contact our sales offices.
We constantly strive to improve our products. Contkegmemdivts described in this
publication may change from time to tifkee same is true of the corresponding product
specifications. Please check therefore to what extent product descriptions and si
contained in this publication are still applicable before or when you place an orc
reserve the right to discontinue production and delivery ofl toodecuently, we
cannot guarantee that all products named in this publication will always be ava:
aforementioned does not apply in the case of individual agreements deviating from
going for customer-specific products.
Unless otherwise agreed in individual contnadess are subject to the current ver-
sion of the "General Terms of Delivery for Products and Services in the Electrica
dustry" published by the German Electrical and Electronics Industry Associat
(ZVEI)
The trade names EPCOS, ВАОКЕ, Alu-X, CeraDiode, CSMP, CSSP, CTVS, DSSP,
MiniBlue, MKK, MLSC, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, SIFERRIT,
SIFI, SIKOREL, SilverCap, SIMDAD, SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFu
WindCap aretrademarks registered or pendindurope and in other countries. Furthe:
information will be found on the Internet at www.epcos.com/trademarks.
Page 13 of 13
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