document number: 52009 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 05-oct-09 171 molded metal film very high stability (< 0.25 % after 1000 h) and precision (up to 0.1 %) resistors rcma vishay sfernice features ? 0.1 w to 2 w at 70 c ? en140-201 ? cecc 40 100 ? very high stability: drift < 0.25 % after 1000 h ? reduced total excursion: high initial precision (to 0.1 %) with low temperature coefficient (down to 15 ppm/c) ? the models in this series are the first ones qualified by the cnes for spatial applications (certificate n4 dated october 22, 1972) ? wide range ohmic values 1 to 5 m ? accurate dimensions, high insulation and great mechanical strength ? high climatic performances: - 65 c/+ 155 c/56 days ? matching tolerance: 0.1 % ? tracking tcr: 5 ppm/c ? termination: pure matte tin ? compliant to rohs directive 2002/95/ec note ? undergoes european quality insurance system (cecc) dimensions in millimeters series a max. ? b max. ? c weight g rcma02 6.7 2.5 0.6 0.26 rcma05 10.4 4.2 0.6 0.46 rcma08 16.5 6.4 0.8 1.3 rcma1 19.3 6.4 0.8 1.5 rcma2 29 10.2 0.8 4.4 rcma4 54 10.2 0.8 13 25 min. 25 min. a ? c ? b technical specifications vishay sfernice series rcma02 rcma05 rcma08 rcma1 rcma2 rcma4 nf c 83-230 k4 rs58p k4 rs63p rs68p --- cecc 40 100-803 becede--- power rating at 70 c 0.125 w 0.250 w 0.500 w 0.75 w 1 w 2 w resistance value range in relation to - tolerance - temperature coefficient k3 0.2 % 10 to 332 k 10 to 332 k 10 to 1 m 10 to 1 m 10 to 1 m 10 to 2.5 m 0.5 % 1 % 1 to 1 m 1 to 1 m 1 to 1.5 m 1 to 2 m 1 to 2.5 m 1 to 5 m k4 0.1 % 0.2 % 10 to 332 k 10 to 332 k 10 to 1 m 10 to 1 m 10 to 1 m 10 to 2.5 m 0.5 % 1 % 1 to 1 m 1 to 1 m 1 to 1.5 m 1 to 2 m 1 to 2.5 m 1 to 5m k5 0.1 % 0.2 % 10 to 332 k 10 to 332 k 10 to 750 k 10 to 750 k 10 to 1 m 10 to 2 m 0.5 % 1 % 10 to 1 m 10 to 1 m 10 to 1.5 m 10 to 2 m 10 to 2.5 m 10 to 2.5 m maximum voltage 300 v 350 v 400 v 500 v 600 v 800 v critical resistance 720 k 490 k 320 k 333 k 360 k 320 k temperature coefficient rated in the range - 55 c to + 155 c k3 50 ppm/c k4 25 ppm/c typical in the range 0 c to + 155 c k5 15 ppm/c insulation resistance > 10 7 m voltage coefficient 0.0001 %/v environmental specifications - 65 c/+ 155 c/56 days
rcma vishay sfernice molded metal film very high st ability (< 0.25 % after 1000 h) and precision (up to 0.1 %) resistors www.vishay.com for technical questions, contact: sfer@vishay.com document number: 52009 172 revision: 05-oct-09 power rating temperature rise practical operating tolerances table 2 and 3 show the basic characteristics and maximum values under different stresses. in fact, the values and drifts are maintained to within narrower limits. so, in operation under the specified conditions ( p r at 70 c) the total drift (load life + tcr) of a rcma k4 does not exceed 0.25 %. special applications temperature coefficient tracking to 5 ppm/c. tolerance matching to 0.05 %. selection of positive or negat ive tcr in temperature range of - 20 c to + 125 c. for these applications and other requirements consult vishay sfernice. marking printed: vishay sfernice trademark, series, style (due to lack of space rcma02 is printed ma02), ohmic value (in ), tolerance (in %), temperature coefficient, manufacturing date. performance cecc 40 100 en 140-201 typical values and drifts tests conditions std 202 requirements load life at maximum category temperature 1000 h at 125 c 50 % of p n 1 % insulation resistance > 1 g 0.25 % or 0.05 short time overload 2.5 u m /5 s limited to 2 u n (0.25 % + 0.05 ) 0.1 % or 0.05 damp heat humidity (steady state) 56 days with low load (1 % + 0.05 ) insulation resistance > 1 g 0.2 % or 0.05 rapid temperature change - 55 c + 155 c (0.25 % + 0.05 ) 0.1 % or 0.05 climatic sequence - 65 c + 155 c (1 % + 0.05 ) insulation resistance > 1 g 0.25 % or 0.05 insulation resistance 10 6 m terminal strength pull - twist - 2 bends (0.25 % + 0.05 ) 0.05 % or 0.05 vibration 10 hz to 500 hz (0.25 % + 0.05 ) 0.05 % or 0.05 soldering (thermal shock) + 260 c 10 s (0.25 % + 0.05 ) 0.05 % or 0.05 load life cycle 90?/30? 1000 h at p n at 70 c (1 % + 0.05 ) insulation resistance > 1 g 0.1 % or 0.05 shelf life 1 year ambient temperature - 0.1 % or 0.05 ambient temperature in c rated power in % 100 50 0 0 50 70 100 125 150 30 rated power in w hot spot temperature in c 40 30 20 10 0 0 1 1.5 rcma1 rcma2 rcma4 2 0.5 50 temperature coefficient between - 10 c and + 70 c k5 10 ppm/c k4 15 ppm/c long life 90?/30? cycles ambient temperature 70 c 1000 h at p r 0.05 % 10 000 h at p r 0.15 %
document number: 52009 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 05-oct-09 173 rcma molded metal film very high st ability (< 0.25 % after 1000 h) and precision (up to 0.1 %) resistors vishay sfernice global part number information global model size special ohmic value tolerance temperature coefficient pac k ag i n g rcma 02 05 08 10 20 40 as applicable. contact us. the first four digits are significant figures and the last digit specifies the number of zeros to follow. r designates decimal point. 13001 = 13 k 33001 = 33 k 220r0 = 220 1r220 = 1.22 b = 0.1 % a = 0.2 % d = 0.5 % f = 1 % h = k3, 50 ppm/k e = k4, 25 ppm/k d = k5, 15 ppm/k am500 = a20 bag100 = s14 bag50 = s09 bag10 = s03 bo50* = b25 *: possible in n/a a02 130 1 h 1 c m r 0fs 4
legal disclaimer notice www.vishay.com vishay revision: 02-oct-12 1 document number: 91000 disclaimer all product, product specifications and data are subject to change without notice to improve reliability, function or design or otherwise. vishay intertechnology, inc., its affiliates, agents, and employee s, and all persons acting on it s or their behalf (collectivel y, vishay), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, repres entation or guarantee regarding the suitabilit y of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicable law, vi shay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all i mplied warranties, including warra nties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of products for certain type s of applications are based on vishays knowledge of typical requirements that are often placed on vishay products in generic applications. such statements are not binding statements about the suitability of products for a particular application. it is the customers responsib ility to validate that a particu lar product with the properties descri bed in the product specification is suitable fo r use in a particular application. parameters provided in datasheets and/or specification s may vary in different applications an d performance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vish ays terms and condit ions of purchase, including but not limited to the warranty expressed therein. except as expressly indicate d in writing, vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the vi shay product could result in personal injury or death. customers using or selling vishay products not expressly indicated for use in such applications do so at their own risk. pleas e contact authorized vishay personnel to ob tain written terms and conditions regarding products designed for such applications. no license, express or implied, by estoppel or otherwise, to any intellectual prope rty rights is granted by this document or by any conduct of vishay. product names and markings noted herein may be trad emarks of their respective owners. material category policy vishay intertechnology, inc. hereby certi fies that all its products that are id entified as rohs-compliant fulfill the definitions and restrictions defined under directive 2011/65/eu of the euro pean parliament and of the council of june 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (eee) - recast, unless otherwis e specified as non-compliant. please note that some vishay documentation may still make reference to rohs directive 2002/95/ ec. we confirm that all the products identified as being compliant to directive 2002 /95/ec conform to directive 2011/65/eu. vishay intertechnology, inc. hereby certifi es that all its products that are identified as ha logen-free follow halogen-free requirements as per jedec js709a stan dards. please note that some vishay documentation may still make reference to the iec 61249-2-21 definition. we co nfirm that all the products identified as being compliant to iec 61249-2-21 conform to jedec js709a standards.
|
