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PTC thermistors
Motor protection, single sensors
Series/Type: Date:
B59100 March 2006
(c) EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited.
Sensors Motor protection, single sensors M1100
Applications Thermal protection of winding in electric motors Limit temperature monitoring Features Thermistor pellet with insulating encapsulation Low-resistance type, steep R/T curve Silver-plated and Teflon-insulated AWG 26 litz wires Extremely fast response due to small dimensions Characteristics for nominal threshold temperatures TNTT = 90 up to 160 C conform with DIN 44081 Color coding of litz wires to DIN 44081 UL approval to UL 1434 (file number E69802) RoHS-compatible Delivery mode Bulk General technical data Max. operating voltage Max. measuring voltage Rated resistance Insulating test voltage Thermal threshold time Operating temperature range Operating temperature range
Dimensional drawing
Dimensions in mm
(TA = 0 ... 40 C) (TA = 25 C ... TNTT +23 K) (VPTC 2.5 V)
(V Vmeas,max) (V = Vmax)
Vmax Vmeas,max RR Vins ta Top Top
30 7.5 100 2.5 <3 25/ TNTT +23 0/+40
VDC VDC kVAC s C C
Electrical specifications and ordering codes TNTT R (TNTT T) (VPTC 2.5 V) 570 570 570 550 550 R (TNTT + T) (VPTC 2.5 V) 570 570 570 1330 1330 R (TNTT + 15 K) (VPTC 7.5 V) 4k 4k
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C T = 5 K 60 70 80 90 100
R (TNTT + 23 K) (VPTC 2.5 V) 10 k 10 k 10 k -
Ordering code
B59100M1060A070 B59100M1070A070 B59100M1080A070 B59100M1090A070 B59100M1100A070
Please read Important notes and Cautions and warnings at the end of this document.
Sensors Motor protection, single sensors M1100
TNTT
C 110 120 130 140 145 150 155 160 T = 7 K 170 180 190
R (TNTT T) (VPTC 2.5 V) 550 550 550 550 550 550 550 550 570 570 570
R (TNTT + T) (VPTC 2.5 V) 1330 1330 1330 1330 1330 1330 1330 1330 570 570 570
R (TNTT + 15 K) (VPTC 7.5 V) 4k 4k 4k 4k 4k 4k 4k 4k -
R (TNTT + 23 K) (VPTC 2.5 V) 10 k 10 k 10 k
Ordering code
B59100M1110A070 B59100M1120A070 B59100M1130A070 B59100M1140A070 B59100M1145A070 B59100M1150A070 B59100M1155A070 B59100M1160A070 B59100M1170A070 B59100M1180A070 B59100M1190A070
Color coding of litz wires (to DIN 44081) TNTT C 60 70 80 90 100 110 120 130 140 145 150 155 160 170 180 190 Color white/grey white/brown white/white green/green red/red brown/brown grey/grey blue/blue white/blue white/black black/black blue/black blue/red white/green white/red black/grey
Please read Important notes and Cautions and warnings at the end of this document.
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Sensors Motor protection, single sensors M1100
Characteristics (typical) PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage)
Please read Important notes and Cautions and warnings at the end of this document.
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Sensors Motor protection, single sensors M1100
Characteristics (typical) PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage)
Please read Important notes and Cautions and warnings at the end of this document.
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Sensors Motor protection, single sensors M1100
Cautions and warnings General EPCOS thermistors are designed for specific applications and should not be used for purposes not identified in our specifications, application notes and data books unless otherwise agreed with EPCOS during the design-in-phase. Ensure suitability of thermistor through reliability testing during the design-in phase. The thermistors should be evaluated taking into consideration worst-case conditions. Storage Store thermistors only in original packaging. Do not open the package before storage. Storage conditions in original packaging: storage temperature 25 C ... +45 C, relative humidity 75% annual mean, maximum 95%, dew precipitation is inadmissible. Avoid contamination of thermistors surface during storage, handling and processing. Avoid storage of thermistor in harmful environment with effect on function on long-term operation (examples given under operation precautions). Use thermistor within 6 months after delivery. Handling PTCs must not be dropped. Chip-offs must not be caused during handling of PTCs. Components must not be touched with bare hands. Gloves are recommended. Avoid contamination of thermistor surface during handling. Soldering Use rosin-type flux or non-activated flux. Insufficient preheating may cause ceramic cracks. Rapid cooling by dipping in solvent is not recommended. Complete removal of flux is recommended. Mounting Electrode must not be scratched before/during/after the mounting process. Contacts and housing used for assembly with thermistor have to be clean before mounting. Especially grease or oil must be removed. When PTC thermistors are encapsulated with sealing material, the precautions given in chapter "Mounting instructions", "Sealing and potting" must be observed. When the thermistor is mounted, there must not be any foreign body between the electrode of the thermistor and the clamping contact. The minimum force of the clamping contacts pressing against the PTC must be 10 N. During operation, the thermistor's surface temperature can be very high. Ensure that adjacent components are placed at a sufficient distance from the thermistor to allow for proper cooling at the thermistors. Ensure that adjacent materials are designed for operation at temperatures comparable to the surface temperature of thermistor. Be sure that surrounding parts and materials can withstand this temperature. Avoid contamination of thermistor surface during processing.
Please read Important notes and Cautions and warnings at the end of this document.
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Sensors Motor protection, single sensors M1100
Operation Use thermistors only within the specified temperature operating range. Use thermistors only within the specified voltage and current ranges. Environmental conditions must not harm the thermistors. Use thermistors only in normal atmospheric conditions. Avoid use in deoxidizing gases (chlorine gas, hydrogen sulfide gas, ammonia gas, sulfuric acid gas etc), corrosive agents, humid or salty conditions.Contact with any liquids and solvents should be prevented. Be sure to provide an appropriate fail-safe function to prevent secondary product damage caused by abnormal function (e.g. use VDR for limitation of overvoltage condition).
Please read Important notes and Cautions and warnings at the end of this document.
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Important notes
The following applies to all products named in this publication: 1. Some parts of this publication contain statements about the suitability of our products for certain areas of application. These statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. We nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. As a rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. For these reasons, it is always ultimately incumbent on the customer to check and decide whether an EPCOS product with the properties described in the product specification is suitable for use in a particular customer application. 2. We also point out that in individual cases, a malfunction of passive electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. In customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of a passive electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of a passive electronic component. 3. The warnings, cautions and product-specific notes must be observed. 4. In order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as "hazardous"). Useful information on this will be found in our Material Data Sheets on the Internet (www.epcos.com/material). Should you have any more detailed questions, please contact our sales offices. 5. We constantly strive to improve our products. Consequently, the products described in this publication may change from time to time. The same is true of the corresponding product specifications. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. We also reserve the right to discontinue production and delivery of products. Consequently, we cannot guarantee that all products named in this publication will always be available. 6. Unless otherwise agreed in individual contracts, all orders are subject to the current version of the "General Terms of Delivery for Products and Services in the Electrical Industry" published by the German Electrical and Electronics Industry Association (ZVEI). 7. The trade names EPCOS, EPCOS-JONES, Baoke, CeraDiode, CSSP, MLSC, PhaseCap, PhaseMod, SIFI, SIKOREL, SilverCap, SIMID, SIOV, SIP5D, SIP5K, UltraCap, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be found on the Internet at www.epcos.com/trademarks.
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