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ptc thermistors for overcurrent protection leaded disks, coated, 63 v series/type: b599*0 date: april 2008 ? epcos ag 2008. reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos' prior express consent is prohibited.
applications overcurrent and short-circuit protection features lead-free terminals wide range of rated currents: 30 ma up to 1 a manufacturer's logo and type designation stamped on in black or red for t ref = 80 c and for t ref = 120 c and 130 c stamped on in white ul approval for t ref = 120 c and 130 c to ul 1434 with v max = 65 v and v r = 63 v (file number e69802) ul approval for t ref = 80 c to ul 1434 with v max = 63 v and v r = 50 v (file number e69802) vde approval (license number 104843 e) rohs-compatible options leadless disks and leaded disks without coating available on request thermistors with diameter b 11.0 mm are also available on tape (to iec 60286-2) delivery mode cardboard strips (standard) cardboard tape reeled or in ammo pack on request dimensional drawing dimensions (mm) type t ref c b max h max ? d c910 130 22.0 25.5 0.8 c930 80 22.0 25.5 0.6 c930 120 22.0 25.5 0.6 c930 130 17.5 21.0 0.8 c940 80 17.5 21.0 0.6 c940 120 17.5 21.0 0.6 c950 80 13.5 17.0 0.6 c950 120 13.5 17.0 0.6 c950 130 11.0 14.5 0.6 c960 80 11.0 14.5 0.6 c960 120 11.0 14.5 0.6 c960 130 9.0 12.5 0.6 c970 80 9.0 12.5 0.6 c970 120 9.0 12.5 0.6 c970 130 6.5 10.0 0.6 c980 80 6.5 10.0 0.6 c980 120 6.5 10.0 0.6 c980 130 4.0 7.5 0.6 c990 80 4.0 7.5 0.5 c990 120 4.0 7.5 0.5 overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 2 of 13 please read cautions and warnings and important notes at the end of this document.
general technical data max. operating voltage (t a = 60 c) v max 80 vdc or vac rated voltage v r 63 vdc or vac switching cycles n 100 tolerance of r r (t ref = 80 c or 120 c) d r r 25 % tolerance of r r (t ref = 130 c) d r r 20 % operating temperature range (v = 0) t op 40/+125 c operating temperature range (v = v max , t ref = 80 c) t op 40/+85 c operating temperature range (v = v max , t ref = 120 c/130 c) t op 40/+125 c electrical specifications and ordering codes type i r ma i s ma i smax (v = v max ) a i r (v = v max ) typ. ma t ref c r r w r min w ordering code c910 1000 1500 10.0 60 130 1.2 0.8 B59910C0130A070 c930 700 1400 10.0 50 120 1.65 1.1 b59930c0120a070 c930 700 1100 8.0 50 130 2.2 1.5 b59930c0130a070 c940 450 900 8.0 40 120 2.3 1.5 b59940c0120a070 c930 340 700 10.0 35 80 1.65 1.1 b59930c0080a070 c950 320 640 5.5 30 120 3.7 2.4 b59950c0120a070 c950 320 500 4.3 25 130 4.9 3.2 b59950c0130a070 c960 250 500 4.3 25 120 5.6 3.7 b59960c0120a070 c960 250 380 3.0 20 130 8.0 5.2 b59960c0130a070 c940 245 500 8.0 25 80 2.3 1.5 b59940c0080a070 c950 170 350 5.5 20 80 3.7 2.4 b59950c0080a070 c970 150 300 3.0 20 120 9.4 6.2 b59970c0120a070 c970 150 240 1.0 18 130 20 13.2 b59970c0130a070 c960 130 265 4.3 15 80 5.6 3.7 b59960c0080a070 c970 90 190 3.0 11 80 9.4 6.2 b59970c0080a070 c980 85 170 1.0 16 120 25 16.5 b59980c0120a070 c980 85 130 0.7 15 130 62 40.9 b59980c0130a070 c980 50 110 1.0 8 80 25 16.5 b59980c0080a070 c990 50 100 0.7 12 120 55 36.3 b59990c0120a070 c990 30 60 0.7 5 80 55 36.3 b59990c0080a070 overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 3 of 13 please read cautions and warnings and important notes at the end of this document.
reliability data test standard test conditions d r 25 /r 25 electrical endurance, cycling iec 60738-1 room temperature, i smax; v max number of cycles: 100 < 25% electrical endurance, constant iec 60738-1 storage at v max /t op test duration : 1000 h < 25% damp heat iec 60738-1 temperature of air: 40 c relative humidity of air: 93% duration: 56 days test according to iec 60068-2-78 < 10% rapid change of temperature iec 60738-1 t = t lct , t = t uct number of cycles: 5 test duration: 30 min test according to iec 60068-2-14, test na < 10% vibration iec 60738-1 frequency range: 10 to 55 hz displacement amplitude: 0.75 mm test duration: 3 2 h test according to iec 60028-2-6, test fc < 5% bump iec 60738-1 pulse shape: half-sine acceleration: 50 g pulse duration: 1 ms; 6 3 pulses test according to iec 60068-2-29 < 5% climatic sequence iec 60738-1 dry heat: t = t uct test duration: 16 h damp heat first cycle cold: t = t lct test duration: 2 h damp heat 5 cycles tests performed according to iec 60068-2-30 < 10% overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 4 of 13 please read cautions and warnings and important notes at the end of this document.
characteristics (typical) for t ref = 80 c ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 5 of 13 please read cautions and warnings and important notes at the end of this document.
characteristics (typical) for t ref = 80 c ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 6 of 13 please read cautions and warnings and important notes at the end of this document.
characteristics (typical) for t ref = 120 c ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 7 of 13 please read cautions and warnings and important notes at the end of this document.
characteristics (typical) for t ref = 120 c ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 8 of 13 please read cautions and warnings and important notes at the end of this document.
characteristics (typical) for t ref = 130 c ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 9 of 13 please read cautions and warnings and important notes at the end of this document.
characteristics (typical) for t ref = 130 c ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i r versus ambient temperature t a (measured in still air) overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 10 of 13 please read cautions and warnings and important notes at the end of this document.
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 ther- mistors 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 hu- midity 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 opera- tion (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 (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. 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. es- pecially 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. overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 11 of 13 please read cautions and warnings and important notes at the end of this document.
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 at- mospheric conditions. avoid use in deoxidizing gases (chlorine gas, hydrogen sulfide gas, am- monia 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). overcurrent protection leaded disks, coated, 63 v c910 ... c990 page 12 of 13 please read cautions and warnings and important notes at the end of this document.
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 re- quirements 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 incum- bent on the customer to check and decide whether an epcos product with the properties de- scribed 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 compo- nents 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 applica- tions 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 ma- terial data sheets on the internet (www.epcos.com/material). should you have any more de- tailed 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 fore- going for customer-specific products. 6. unless otherwise agreed in individual contracts, all orders are subject to the current ver- sion of the ?general terms of delivery for products and services in the electrical in- dustry? published by the german electrical and electronics industry association (zvei) . 7. the trade names epcos, baoke, alu-x, ceradiode, cssp, ctvs, dssp, miniblue, mkk, mlsc, motorcap, pcc, phasecap, phasemod, 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. important notes page 13 of 13

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