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professional high temperature melf resistors www.vishay.com for technical questions, contact: filmresistors.melf@vishay.com document number: 28780 12 revision: 08-jun-09 mma 0204 ht - professional vishay beyschlag mma 0204 professional high temperature melf resistors are the perfect choice for most fields of modern professional electronics where high operating temperatures, power rating, reliability and stability is of major concern. these improved properties are enabled by a modified resistive film material. the typical applications in the fields of automotive telecommunication and medical equipment reflect the outstanding level of proven reliability. features ? operating temperature 175 c for 1000 h ? advanced thin film technology ? excellent overall stability: exceeds class 0.25 ? aec-q200 qualified ? approval to en 140401-803 ? pure sn termination on ni barrier layer ? green product, supports lead (pb)-free soldering ? compliant to rohs directive 2002/95/ec applications ? automotive ? telecommunication ? industrial ? medical equipment notes (1) the power dissipation on the resistor gener ates a temperature rise against the lo cal ambient, depending on the heat flow suppor t of the printed-circuit board (thermal resistance). the rated dissipation applies only if the pe rmitted film temperature is not exceede d. these resistors do not feature a limited lifetime when operated within the permissible limits. however, resistance value drift increasing over operating time may result in exceeding a limi t acceptable to the specific application, thereby est ablishing a functional lifeti me. (2) please refer to application information below ** please see document ?vishay green an d halogen-free definitions (5-2008)? www.vishay.com/doc?99902 metric size din: 0204 cecc: rc 3715m technical specifications description mma 0204 ht cecc size rc 3715m resistance range 47 to 100 k resistance tolerance 1 %; 0.5 % temperature coefficient 50 ppm/k; 25 ppm/k rated dissipation, p 70 (1) 0.5 w operating voltage, u max. ac/dc 200 v permissible film temperature (2) 175 c insulation voltage 1 min; u ins 300 v continuous 75 v fit observed 0.1 x 10 -9 /h
document number: 28780 for technical questions, contact: filmresistors.melf@vishay.com www.vishay.com revision: 08-jun-09 13 mma 0204 ht - professional professional high temperature melf resistors vishay beyschlag application information the power dissipation on the resistor generat es a temperature rise against the local ambient, depending on the heat flow suppor t of the printed-circuit board (thermal resi stance). the rated dissipation applies only if the permitted film temperature is not exceeded. these resistors do not feature a limited li fetime when operated within the permissibl e limits. however, resistance value drift increasing over operating time may result in exceeding a limit acceptable to the specific appl ication, thereby establishing a functional lifetime. at the maximum permissible film temperature of 175 c the useful lifetime is specified for 1000 h. the des igner may estimate the performance of the particul ar resistor application or set certain l oad and temperature limits in order to main tain a desired stability. maximum resistance change at rated power description mma 0204 ht metric size rc3715m operation mode standard power high temperature rated power p 70 = 0.25 w p 70 = 0.4 w p 70 = 0.5 w film temperature 125 c 155 c 175 c max. resistance change at p 70 for resistance range: 47 to 100 k r / r max., after: 1000 h 0.10 % 0.15 % 0.25 % 8000 h 0.15 % 0.35 % - 225 000 h 1.0 % - -
www.vishay.com for technical questions, contact: filmresistors.melf@vishay.com document number: 28780 14 revision: 08-jun-09 mma 0204 ht - professional vishay beyschlag professional high temperature melf resistors note ? products can be ordered using either t he product description or the part number part number and product description part number: mma0204td5620db300 part number: mma0204tz0000zb300 model/size special character tcr value tolerance pac k ag i n g special mma0204 t = ht d = 25 ppm/k c = 50 ppm/k z = jumper 3 digit value 1 digit multiplier multiplier 9 = *10 -1 0 = *10 0 1 = *10 1 2 = *10 2 3 = *10 3 4 = *10 4 5 = *10 5 d = 0.5 % f = 1 % z = jumper b3 b0 up to 2 digits 00 = standard product description: mma 0204 - 25 0.5 % ht bl 562r product description: mma 0204 ht bl 0r0 mma 0204 - 25 0.5 % ht bl 562r mma 0204 - - ht bl 0r0 model size tcr tolerance special character packaging resistance value mma 0204 25 ppm/k 50 ppm/k 0.5 % 1 % ht = high temperature bl b0 562r = 562 0r0 = jumper packaging model blister tape on reel acc. iec 60286-3 diameter pieces/reel code mma 0204 ht 180 mm/7" 3000 b3 = bl 330 mm/13" 10 000 b0 m m a 0 2 0 4 t d 5 6 2 0 d b 3 0 0 m m a 0 2 0 4 t z 0 0 0 0 z b 3 0 0
document number: 28780 for technical questions, contact: filmresistors.melf@vishay.com www.vishay.com revision: 08-jun-09 15 mma 0204 ht - professional professional high temperature melf resistors vishay beyschlag dimensions note ? color code marking is applied according to iec 60062* in four bands (e24 series) or fi ve bands (e96 or e192 series). each colo ur band appears as a single solid line, voids are permissible if at least 2 / 3 of the band is visible from eac h radial angle of view. the la st colour band for tolerance is approximately 50 % wider than the other bands. an interrupt ed yellow band between the 4th and 5th full band indicates the te mperature coefficient of 25 ppm/k. resistance ranges printed in bold are preferred tcr/tolerance combinations. note ? resistance values to be selected for 5 % and 2 % tolerance from e24, for 1 % tolerance from e24 and e96 and for 0.5 % t olerance from e24 and e192. dimensions - melf resistor types, mass and relevant physical dimensions type l (mm) d (mm) l 1 min. (mm) d 1 (mm) k (mm) mass (mg) mma 0204 ht 3.6 + 0/- 0.2 1.4 + 0/- 0.1 1.8 d + 0/- 0.15 0.8 0.1 19 temperature coefficient and resistance range description resistance value tcr tolerance mma 0204 ht 50 ppm/k 1 % 47 to 100 k 0.5 % 47 to 100 k 25 ppm/k 1 % 47 to 100 k 0.5 % 47 to 100 k jumper 10 m , i max. = 3 a d l d 1 l 1 k
www.vishay.com for technical questions, contact: filmresistors.melf@vishay.com document number: 28780 16 revision: 08-jun-09 mma 0204 ht - professional vishay beyschlag professional high temperature melf resistors description production is strictly controlled and follows an extensive set of instructions established for reproducibility. a homogeneous film of metal alloy is deposited on a high grade ceramic body (al 2 o 3 ) and conditioned to achieve the desired temperature coefficient. nickel plated steel termination caps are firmly pressed on the metallised rods. a special laser is used to achieve the target value by smoothly cutting a helical groove in the resistive layer without damaging the ceramics. the resistor elements are covered by a protective coating designed for electrical, mechanical and climatic protection. the terminations receive a final pure tin on nickel plating. four or five colour code ri ngs designate the resistance value and tolerance in accordance with iec 60062 (3) . the result of the determined production is verified by an extensive testing procedure performed on 100 % of the individual resistors. only accepted products are laid directly into the blister tape in accordance with iec 60286-3 (3) or bulk case in accordance with iec 60286-6 (3) . assembly the resistors are suitable for processing on automatic smd assembly systems. they are suitable for automatic soldering using wave, reflow or vapour phase as shown in iec 61760-1 (3) . the encapsulation is resistant to all cleaning solvents commonly used in the electronics industry, including alcohols, esters and aqueous solutions. the suitablility of conformal coatings, if applied, shall be qualified by appropiate means to ensure the long-term stability of the whole syst em. the resistors are rohs compliant, the pure tin plating provides compatibility with lead (pb)-free and lead containing soldering processes. the immunity of the plating against tin whisker growth has been proven under extensive testing. all products comply with the gadsl (1) and the cefic-eeca-eicta (2) list of legal restrictions on hazardous substances. this includes full compliance with the following directives: ? 2000/53/ec end of vehicle life directive (elv) and annex ii (elv ii) ? 2002/95/ec restriction of the use of hazardous substances directive (rohs) ? 2002/96/ec waste electrical and electronic equipment directive (weee) solderability is specified for 2 years after production or requalification. the permitted storage time is 20 years. approvals the resistors are approved within the iecq-cecc quality assessment system for electr onic components to the detail specification en 140401-803 which refers to en 60115-1 , en 140400 and the variety of environmental test procedures of the iec 60068* series. conformity is attested by the use of the cecc logo ( ) as the mark of conformity on the package label. vishay beyschlag has achieved ?approval of manufacture? in accordance with iec qc 001002-3, clause 2 . the release certificate for ?technology approval schedule? in accordance with cecc 240001 based on iec qc 001002-3, clause 6 is granted for the vishay beyschlag manufacturing process. related products this product family of thin film melf high temperature resistors is complemented by zero ohm jumpers . a wider range of tcr, tolerance and resistance values, plus the option of values from a different e series is available with products approved to en 140401-803 , version a, without established reliability, nominal failure rate level e0 (quality factor q = 3). see the datasheets: ? ?professional melf resistors?, document no. 28713 ? ?precision melf resistors?, document no. 28714 ? ?high precision melf resistor?, document no. 28715 notes (1) global automotive declar able substance list, see www.gadsl.org (2) cefic (european chemical industry council), eeca (european electronic component manuf acturers association), eicta (european tra de organisation representing the information and communica tions technology and cons umer electronics), see www.eicta.org issue environment policy chemicals chemicals for electronics (3) the quoted iec standards are also released as en standards with the same number and identical contents
document number: 28780 for technical questions, contact: filmresistors.melf@vishay.com www.vishay.com revision: 08-jun-09 17 mma 0204 ht - professional professional high temperature melf resistors vishay beyschlag functional performance 0 0 0.5 power [w] tamb [c] high temperat u re standard po w er deratin g for operation modes 25 50 70 100 125 150 175 0.4 0.3 0.2 0.1 0.6 100 s 1 ms 10 ms 1 1 s 10 s 0.1 w 10 s 100 ms 100 10 pulse load p max. sin g le pulse maxim u m p u lse load, single p u lse; applica b le if 0 and n 1000 and max. ; for permissi b le resistance change e qu i v alent to 8 000 h operation pulse duration i t p u u 100 s 1 ms 10 ms 1 1 s 10 s 0.1 w 10 s 100 ms 10 100 continuous pulse maxim u m p u lse load, contin u o u s p u lses; applica b le if ( ? am b ) and max. ; for permissi b le resistance change e qu i v alent to 8 000 h operation continuous pulse load p max. p u p u pulse duration i t
www.vishay.com for technical questions, contact: filmresistors.melf@vishay.com document number: 28780 18 revision: 08-jun-09 mma 0204 ht - professional vishay beyschlag professional high temperature melf resistors 100 s 1 ms 10 ms 1 s 10 s 10 s 100 ms 100 v pulse volta g e maxim u m p u lse v oltage, single and contin u o u s p u lses; applica b le if max. ; for permissi b le resistance change e qu i v alent to 8 000 h operation max. pulse duration i t pulse volta g e u pp 100 v 1 k v 10 v 10 k v 100 1 k 10 k 100 k 1 m 10 10 m r resistance value 1.2 /50 pulse p u lse load rating in accordance w ith iec 60115-1, 4.27; 1.2 s/50 s; 5 p u lses at 12 s inter v als; for permissi b le resistance change 0.5 % pulse volta g e u 100 1 k 10 k 100 v 100 k 1 m 1 k v 10 v 10 k v 10 10 m 1 0/ 7 00 pulse p u lse load rating in accordance w ith iec 60115-1, 4.27; 10 s/700 s; 10 p u lses at 1 min inter v als; for premissi b le resistance change 0.5 % pulse volta g e r resistance value u
document number: 28780 for technical questions, contact: filmresistors.melf@vishay.com www.vishay.com revision: 08-jun-09 19 mma 0204 ht - professional professional high temperature melf resistors vishay beyschlag test and requirements all tests are carried out in accordance with the following specifications: en 60115-1, generic specification en 140400, sectional specification en 140401-803, detail specification the resistors are approved within the iecq-cecc quality assessment system for electron ic components. for the full test schedule refer to the documents listed above. the testing also covers most of the requirements specified by eia/is-703 and jis-c-5202. the tests are carried out in accordance with iec 60068 (1) and under standard atmospheric conditions in accordance with iec 60068-1, 5.3 (1) . climatic category lct/uct/56 (rated temperature range: lower category temperature, upper category temperature; damp heat, long term, 56 days) is valid. unless otherwise specified the following values apply: temperature: 15 c to 35 c relative humidity: 45 % to 75 % air pressure: 86 kpa to 106 kpa (860 mbar to 1060 mbar). the components are mounted for testing on printed-circuit boards in accordance with en 140400, 2.3.3, unless otherwise specified. the requirements stated in the test procedures and requirements table are based on the required tests and permitted limits of en 140401-803. however, some additional tests and a number of improvements against those minimum requirements have been included. the stated requirements for long-term tests are typically fulfilled with a statistical safety of at least + 5 s. current noise a 1 0.01 100 0.1 1 v / v current noise - a 1 in accordance w ith iec 60195 1 k 10 k 100 k 1 m 10 m r resistance value 0.1 0.3 1 ghz 3 0.5 1.0 1.5 1. 8 izi/r frequency rf - behaviour |z|/r for 49.9 melf resistors f x
www.vishay.com for technical questions, contact: filmresistors.melf@vishay.com document number: 28780 20 revision: 08-jun-09 mma 0204 ht - professional vishay beyschlag professional high temperature melf resistors test procedures and requirements en 60115-1 clause iec 60068-2 test method test procedure requirements permissible change ( r ) stability class 0.25 or better stability for product types: mma 0204 ht 47 to 100 k 4.5 - resistance - 1 % r ; 0.5 % r 4.8.4.2 - temperature coefficient at 20/- 55/20 c and 20/155/20 c 50 ppm/k; 25 ppm/k 4.25.1 - endurance at 70 c: standard operation mode u = u max. ; 1.5 h on; 0.5 h off; 70 c; 1000 h (0.10 % r + 10 m ) 70 c; 8000 h (0.20 % r + 10 m ) endurance at 70 c: power operation mode u = u max. ; 1.5 h on; 0.5 h off; 70 c; 1000 h (0.15 % r + 10 m ) 70 c; 8000 h (0.35 % r + 10 m ) endurance at 70 c: high temperature mode u = u max. ; 1.5 h on; 0.5 h off; 70 c; 1000 h (0.25 % r + 10 m ) 4.25.3 - endurance at upper category temperature 125 c; 1000 h (0.05 % r +5 m ) 155 c; 1000 h (0.15 % r +5 m ) 175 c; 1000 h (0.25 % r +5 m ) 4.24 78 (cab) damp heat, steady state (standard mode) (40 2) c; 56 days; u = 0.3 x u rated ; (93 3) % rh (0.15 % r + 10 m ) 4.39 67 (cy) damp heat, steady state, accelerated (standard mode) (85 2) c; (85 5) % rh; u = 0.3 x u rated ; 1000 h (0.25 % r + 10 m ) 4.23 climatic sequence: (0.15 % r + 10 m ) 4.23.2 2 (ba) dry heat uct; 16 h 4.23.3 30 (db) damp heat, cyclic 55 c; 24 h; 90 % rh; 1 cycle 4.23.4 1 (aa) cold lct; 2 h 4.23.5 13 (m) low air pressure 8.5 kpa; 2 h; (25 10) c 4.23.6 30 (db) damp heat, cyclic 55 c; 24 h; 90 % rh; 5 cycles 4.23.7 - d.c. load u = u max. ; 1 min (high temperature mode) lct = - 55 c; uct = 155 c - 1 (aa) cold - 55 c; 2 h (0.05 % r +5 m ) p 70 x r p 70 x r p 70 x r p 70 x r
document number: 28780 for technical questions, contact: filmresistors.melf@vishay.com www.vishay.com revision: 08-jun-09 21 mma 0204 ht - professional professional high temperature melf resistors vishay beyschlag 4.19 14 (na) rapid change of temperature 30 min at lct; 30 min at uct; lct = - 55 c; uct = 125 c 5 cycles (0.05 % r +10 m ) 1000 cycles (0.15 % r +10 m ) lct = - 55 c; uct = 155 c 1000 cycles (0.25 % r +10 m ) 4.13 - short time overload: standard operation mode u = 2.5 x 2 x u max. ; 5 s (0.03 % r +5 m ) 4.27 - single pulse high voltage overload; standard operation mode severity no. 4: u = 10 x 2x u max. ; 10 pulses 10 s/700 s (0.25 % r +5 m ) 4.37 - periodic electric overload; standard operation mode u = 2 x u max. ; 0.1 s on; 2.5 s off; 1000 cycles (0.5 % r +5 m ) 4.22 6 (fc) vibration endurance by sweeping; 10 hz to 2000 hz; no resonance; amplitude 1.5 mm or 200 m/s 2 ; 6 h (0.05 % r +5 m ) 4.40 - electrostatic discharge (human body model) iec 61340-3-1*; 3 pos. + 3 neg. discharges mma 0204: 2 kv (0.5 % r + 50 m ) 4.17.2 58 (td) solderability solder bath method; snpb40; non-activated flux; (215 3) c; (2 0.3) s good tinning ( 95 % covered); no visible damage solder bath method; snag3cu0,5 or snag3,5; non-activated flux; (235 3) c; (2 0.3) s good tinning ( 95 % covered); no visible damage 4.18.2 58 (td) resistance to soldering heat solder bath method; (260 5) c; (10 1) s (0.05 % r +10 m ) reflow method 2 (ir/forced gas convection); (260 5) c; (40 1) s (3 times) (0.03 % r +10 m ) 4.29 45 (xa) component solvent resistance isopropyl alcohol; 50 c; method 2 no visible damage test procedures and requirements en 60115-1 clause iec 60068-2 test method test procedure requirements permissible change ( r ) stability class 0.25 or better stability for product types: mma 0204 ht 47 to 100 k p 70 x r p 70 x r 15 x p 70 x r
www.vishay.com for technical questions, contact: filmresistors.melf@vishay.com document number: 28780 22 revision: 08-jun-09 mma 0204 ht - professional vishay beyschlag professional high temperature melf resistors note ? the quoted iec standards are also released as en st andards with the same number and identical contents 4.30 45 (xa) solvent resistance of marking isopropyl alcohol; 50 c; method 1, toothbrush marking legible; no visible damage 4.32 21 (ue 3 ) shear 45 n no visible damage 4.33 21 (ue 1 ) substrate bending depth 2 mm, 3 times no visible damage, no open circuit in bent position (0.05 % r + 5 m ) 4.7 - voltage proof u rms = u ins ; 60 s no flashover or breakdown 4.35 - flammability iec 60 695-11-5, needle flame test; 10 s no burning after 30 s test procedures and requirements en 60115-1 clause iec 60068-2 test method test procedure requirements permissible change ( r ) stability class 0.25 or better stability for product types: mma 0204 ht 47 to 100 k
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.

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