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| PTC thermistors as limit temperature sensors SMD, EIA case sizes 0402, 0603 and 0805 with 3 C and 5 C tolerance Series/Type: Date: November 2009 (c) EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Applications DC/DC converters Home appliances Dimmers Electronic ballasts Temperature management in automotive electronics Over-temperature protection of power transistors and power ICs (e.g. in battery pack, notebook) SMPS Features Thermistor chip with lead-free tinned terminations Small size Fast and reliable response Suitable for reflow soldering only RoHS-compatible Lead-free (total Pb content <0.1%), for Tsense 125 C, except B59602A... and B59603A... UL approval to UL 1434 for B59601A... and B59604A... (file number E69802) Options Other Tsense values on request Delivery mode Blister tape (case size 0805) or cardboard tape (case sizes 0402 and 0603), 180-mm reel with 8-mm tape, taping to IEC 60286-3 General technical data Max. operating voltage Operating temperature range (TA= 40 C ... Tsense +15 K) Vmax (V Vmax) Top 32 40/ Tsense +15 V DC C Please read Cautions and warnings and Important notes at the end of this document. Page 2 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Electrical specifications and ordering codes Tsense RR C RR R (Tsense T) % k R R R Ordering code (Tsense +T) (Tsense +10 K) (Tsense +15 K) k k k B59401A0105A062 B59401A0115A062 B59604A0085A062 B59604A0090A062 B59601A0075A062 B59601A0085A062 B59601A0095A062 B59601A0105A062 B59601A0115A062 B59601A0125A062 B59601A0135A062 B59602A0055B062 B59603A0055A062 B59603A0085A062 B59603A0105A062 B59601A0075B062 B59601A0085B062 B59601A0095B062 B59601A0105B062 B59601A0115B062 B59601A0125B062 B59601A0135B062 B59701A0070A062 B59701A0090A062 B59701A0100A062 B59701A0110A062 B59701A0120A062 B59701A0130A062 B59701A0140A062 Case size 0402, standard series, T = 5 C 105 470 50 4.7 4.7 115 470 50 4.7 4.7 Case size 0603, high-ohmic series, T = 5 C 120 10000 50 4700 4700 130 10000 50 4700 4700 Case size 0603, standard series, T = 5 C 75 470 50 4.7 4.7 85 470 50 4.7 4.7 95 470 50 4.7 4.7 105 470 50 4.7 4.7 115 470 50 4.7 4.7 125 470 50 4.7 4.7 135 470 50 4.7 4.7 Case size 0603, tight resistance tolerance series, T = 5 C 70 110 15 1.1 1.1 55 470 15 4.7 4.7 85 470 15 4.7 4.7 105 470 15 4.7 4.7 Case size 0603, tight temperature tolerance series, T = 3 C 75 470 50 4.7 4.7 85 470 50 4.7 4.7 15 95 470 50 4.7 4.7 40 105 470 50 4.7 4.7 40 115 470 50 4.7 4.7 40 125 470 50 4.7 4.7 40 135 470 50 4.7 4.7 40 Case size 0805, standard series, T = 5 C 70 < 1000 5.7 5.7 401) 90 < 1000 5.5 13.3 40 100 < 1000 5.5 13.3 40 110 < 1000 5.5 13.3 40 120 < 1000 5.5 13.3 40 130 < 1000 5.5 13.3 40 140 < 1000 5.5 13.3 40 Note: In order to limit self heating effects the electrical power during measurement should be below 2 mW for case size 0402, below 4 mW for case size 0603 and below 6 mW for case size 0805. 1) R (Tsense +25 C) Please read Cautions and warnings and Important notes at the end of this document. Page 3 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Dimensional drawings in mm EIA case size 0402 Solder pad EIA case size 0603 Solder pad EIA case size 0805 Solder pad Recommended maximum dimensions (mm) Please read Cautions and warnings and Important notes at the end of this document. Page 4 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Reliability data Test Electrical endurance, constant at 85 C Damp heat Standard IEC 60738-1 Test conditions Storage at Vmax /Top,max (Vmax) T = 85 C Test duration: 1000 h Temperature of air: 40 C Relative humidity of air: 93% Duration: 56 days Test according to IEC 60068-2-78 T1 = Top,min (0 V), T2 = Top,max (0 V) Number of cycles: 5 Test duration: 30 min Test according to IEC 60068-2-14, Test Na Frequency: 10 to 55 Hz Displacement amplitude: 0.75 mm Test duration: 3 x 2 h Test according to IEC 60068-2-6, Test Fc Acceleration: 390 m/s2 Pulse duration: 6 ms; 6 x 4000 pulses Dry heat: T = Top,max (0 V) Test duration: 16 h Damp heat first cycle Cold: T = Top,min (0 V) Test duration: 2 h Damp heat 5 cycles Tests performed according to IEC 60068-2-30 Components reflow-soldered to test board Maximum bending: 2 mm A shear force of 5 N is applied perpendicular to the longitudinal axis of the component which is soldered on PCB. R25/R25 < 25% IEC 60738-1 < 10% Rapid change of temperature IEC 60738-1 < 10% Vibration IEC 60738-1 < 5% Shock Climatic sequence IEC 60738-1 IEC 60738-1 < 5% < 10% Bending test Adhesive strength on PCB EN 130000/4.35 < 10% No visible damage Please read Cautions and warnings and Important notes at the end of this document. Page 5 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A401 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 6 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A601 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 7 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A601 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 8 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A602 and A603 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 9 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A603 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 10 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A604 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 11 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A701 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 12 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Characteristics (typical) for type A701 PTC resistance RPTC versus PTC temperature TPTC (measured at low signal voltage) Please read Cautions and warnings and Important notes at the end of this document. Page 13 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 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 the following period after delivery: Through-hole devices (housed and leaded PTCs): 24 months Motor protection sensors, glass-encapsulated sensors and probe assemblies: 24 months Telecom pair and quattro protectors (TPP, TQP): 24 months Leadless PTC thermistors for pressure contacting: 12 months Leadless PTC thermistors for soldering: 6 months SMDs in EIA sizes 3225 and 4032, and for PTCs with metal tags: 24 months SMDs in EIA sizes 0402, 0603, 0805 and 1210: 12 months 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 (where applicable) 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. Standard PTC heaters are not suitable for soldering. Please read Cautions and warnings and Important notes at the end of this document. Page 14 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 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. 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 Cautions and warnings and Important notes at the end of this document. Page 15 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 Symbols and terms A Cth f I Imax IR IPTC Ir Ir,oil Ir,air IRMS IS ISmax LCT N Nc Nf P P25 Pel Pdiss Rmin RR RR RP RPTC Rref RS R25 R25,match R25 T t TA ta TC Area Heat capacity Frequency Current Maximum current Rated current PTC current Residual currrent Residual currrent in oil (for level sensors) Residual currrent in air (for level sensors) Root-mean-square value of current Switching current Maximum switching current Lower category temperature Number (integer) Operating cycles at Vmax, charging of capacitor Switching cycles at Vmax, failure mode Power Maximum power at 25 C Electrical power Dissipation power Minimum resistance Rated resistance Tolerance of RR Parallel resistance PTC resistance Reference resistance Series resistance Resistance at 25 C Resistance matching per reel/ packing unit at 25 C Tolerance of R25 Temperature Time Ambient temperature Thermal threshold time Ferroelectric Curie temperature Please read Cautions and warnings and Important notes at the end of this document. Page 16 of 18 Sensors Limit temperature sensors, EIA sizes 0402, 0603 and 0805 tE TR Tsense Top TPTC tR Tref TRmin tS Tsurf UCT V or Vel VRMS VBD Vins Vlink,max Vmax Vmax,dyn Vmeas Vmeas,max VR VPTC th th Settling time (for level sensors) Rated temperature Sensing temperature Operating temperature PTC temperature Response time Reference temperature Temperature at minimum resistance Switching time Surface temperature Upper category temperature Voltage (with subscript only for distinction from volume) Root-mean-square value of voltage Breakdown voltage Insulation test voltage Maximum link voltage Maximum operating voltage Maximum dynamic (short-time) operating voltage Measuring voltage Maximum measuring voltage Rated voltage Voltage drop across a PTC thermistor Temperature coefficient Tolerance, change Dissipation factor Thermal cooling time constant Failure rate Lead spacing (in mm) Abbreviations / Notes Surface-mount devices * To be replaced by a number in ordering codes, type designations etc. + To be replaced by a letter All dimensions are given in mm. The commas used in numerical values denote decimal points. Please read Cautions and warnings and Important notes at the end of this document. Page 17 of 18 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 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 an electronic component could endanger human life or health (e.g. in accident prevention or lifesaving 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 an 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. The aforementioned does not apply in the case of individual agreements deviating from the foregoing for customer-specific products. 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, BAOKE, Alu-X, CeraDiode, CSMP, CSSP, CTVS, DeltaCap, DSSP, MiniBlue, MiniCell, MKK, MLSC, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFuse, 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. Page 18 of 18 |
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