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d a t a sh eet product specification supersedes data of 8th june 2001 file under bccomponents, bc08 2002 nov 19 bccomponents mmu 0102; mma 0204; mmb 0207 professional melf resistors
2002 nov 19 2 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 features advanced thin film technology power dissipation rating up to 1 w excellent overall stability: class 0,25 wide professional range: 0,1 to 10 m green product, supports lead-free soldering. metric sizes applications automotive telecommunication industrial medical equipment. description mmu 0102, mma 0204 and mmb 0207 professional thin film melf resistors are the perfect choice for most fields of modern professional electronics where reliability and stability is of major concern. the typical applications in the fields of automotive, telecommunication and medical equipment reflect the outstanding level of proven reliability. 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 (85% al 2 o 3 , for micro-melf: 96% 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 rings designate the resistance value and tolerance in accordance with iec 60 062 . 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 60 286-3 or bulk case in accordance with iec 60 286-6 . the resistors are suitable for processing on automatic smd assembly systems. they are suitable for automatic soldering using wave, reflow or vapour phase. excellent solderability is proven, even after extended storage in excess of 10 years. the encapsulation is resistant to all cleaning solvents commonly used in the electronics industry, including alcohols, esters and aqueous solutions. the resistors are completely lead-free, the pure tin plating provides compatibility with lead-free soldering processes. the immunity of the plating against tin whisker growth has been proven under extensive testing. all products comply with the cefic-eeca-eicta list of legal restrictions on hazardous substances. the resistors are tested in accordance with en 140 401-803 (superseding cecc 40 401-803) which refers to en 60115-1 and en140 400. approval of conformity is indicated by the cecc logo on the package label. bccomponents beyschlag has achieved "approval of manufacturer" in accordance with en 100 114-1 . the release certificate for "technology approval schedule" in accordance with cecc 240 001 based on en 100 114-6 is granted for the bccomponents beyschlag manufacturing process. this product family of thin film melf resistors is completed by zero ohm jumpers . on request, resistors are available with established reliability in accordance with en 140 101-803 version e . please refer to the special data sheet for information on failure rate level, available resistance ranges and ordering codes. din: 0102 0204 0207 cecc: rc 2211m rc 3715m rc 6123m
2002 nov 19 3 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 quick reference data notes 1. the power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heatflow support of the printed-circuit board (thermal resistance). the rated dissipation applies only if the permitted film temperature is not exceeded. furthermore, a high level of ambient temperature or of power dissipation may raise the temperature of the solder joint, hence special solder alloys or board materials may be required to maintain the reliability of the assembly. 2. specified power rating requires dedicated heat-sink pads. description mmu 0102 mma 0204 mmb 0207 cecc size rc 2211m rc 3715m rc 6123m resistance range 0,22 to 2,21 m 0,22 to 10 m 0,1 to 8,2 m resistance tolerance 5%; 2%; 1%; 0,5% 5%; 1%; 0,5% 5%; 2%; 1%; 0,5% temperature coefficient 50 ppm/k; 25 ppm/k 100 ppm/k; 50 ppm/k; 25 ppm/k operation mode standard power standard power standard power climatic category (lct/uct/days) 55/125/56 55/155/56 55/125/56 55/155/56 55/125/56 55/155/56 rated dissipation, p 70 (1) 0,2 w 0,3 w 0,25 w 0,4 w 0,4 w 1,0 w (2) operating voltage, u max ac/dc 150 v 200 v 300 v film temperature 125 c 155 c 125 c 155 c 125 c 155 c max. resistance change at p 70 for resistance range, r / r max., after: 0,22 to 221 k 0,22 to 332 k 0,22 to 1 m 1 000 h 0,15% 0,25% 0,15% 0,25% 0,15% 0,25% 8 000 h 0,3% 0,5% 0,3% 0,5% 0,3% 0,5% 225 000 h 1% 1% 1% specified lifetime 225 000 h 8 000 h 225 000 h 8 000 h 225 000 h 8 000 h permissible voltage against ambient : 1 minute; u ins 200 v 300 v 500 v continuous 75 v 75 v 75 v failure rate 2 10 9 /h 0,7 10 9 /h 0,7 10 9 /h
2002 nov 19 4 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 table 1 temperature coefficient and resistance range note 1. resistance values to be selected for 5% and 2% tolera nce from e24, for 1% tolerance from e24 and e96 and for 0,5% tolerance from e24 and e192. resistance ranges printed in bold are preferred t.c. / tolerance combinations with optimized availability. description resistance value (1) t.c. tolerance mmu 0102 mma 0204 mmb 0207 100 ppm/k 5% 0,1 to 0,2 50 ppm/k 5% 0,22 to 0,91 0,22 to 0,91 0,22 to 0,91 2% 1 to 9,1 0,22 to 0,91 1% 10 to 2,21 m 1 to 10 m 1 to 8,2 m 0,5% 47 to 221 k 10 to 475 k 25 ppm/k 1% 10 to 221 k 10 to 475 k 0,5% 47 to 221 k 10 to 475 k 10 to 1 m jumper 10 m ; i max = 2a 10 m , i max = 3a 10 m ; i max = 5a
2002 nov 19 5 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 ordering information components may be ordered by using either a simple clear text ordering code, see ?type description and ordering code? or bccomponents? unique 12nc. numeric ordering code (12nc) the resistors have a 12-digit orde ring code starting with 2312. the subsequent 4 digits indicate the resistor type, specification and packaging; see table 3 . the remaining 4 digits indicate the resistance value: ? the first 3 digits indicate the resistance value. ? the last digit indicates the resistance decade in accordance with table 4 . table 2 12nc ordering code indicating resistor type and packaging description ordering code 2312 ... ..... blister tape on reel bulk case ty p e t.c. tol. b2 2 000 units bl 3 000 units b7 7 000 units b0 10 000 units m3 3 000 units m8 8 000 units mmu 0102 50 ppm/k 5% 165 3.... 175 3.... 060 3.... 2% 165 2.... 175 2.... 060 2.... 1% 165 1 .... 175 1 .... 060 1.... 0,5% 165 5.... 175 5.... 060 5.... 25 ppm/k 1% 166 1.... 176 1.... 061 1.... 0,5% 166 5 .... 176 5 .... 061 5.... jumper 165 90001 175 90001 060 90001 mma 0204 50 ppm/k 5% 155 3.... 145 3.... 040 3.... 1% 155 1.... 145 1.... 040 1.... 0,5% 155 5.... 145 5.... 040 5.... 25 ppm/k 1% 156 1.... 146 1.... 041 1.... 0,5% 156 5.... 146 5.... 041 5.... jumper 155 90001 145 90001 040 90001
2002 nov 19 6 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 resistance ranges printed in bold are preferred t.c. / tolerance combinations with optimized availability. mmb 0207: 0,2 100 ppm/k 5% 195 3.... 185 3.... mmb 0207:
0,2 50 ppm/k 5% 195 3.... 185 3.... 2% 195 2.... 185 2.... 1% 195 1.... 185 1.... mmb 0207 25 ppm/k 0,5% 196 5.... 186 5.... jumper 195 90001 185 90001 description ordering code 2312 ... ..... blister tape on reel bulk case ty p e t. c . t o l . b2 2 000 units bl 3 000 units b7 7 000 units b0 10 000 units m3 3 000 units m8 8 000 units table 3 last digit of 12nc indicating resistance decade resistance decade last digit 0,1 to 0,999 7 1 to 9,99 8 10 to 99,9 9 100 to 999 1 1 k to 9,99 k 2 10 k to 99,9 k 3 100 k to 999 k 4 1 m to 9,99 m 5 10 m to 99,9 m 6 o rdering example the ordering code of a mmu 0102 resistor, value 47 k and tc 50 with 1% tolerance, supplied in blister tape of 3 000 units per reel is: 2312 165 14703.
2002 nov 19 7 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 type description and ordering code we recommend that the clear text ordering code is used to minimize the possibility of errors in order handling.

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( jumpers are ordered by the resistance value 0 , e.g. mma 0204 bl 0r0. (1) availability in accordance with table 2. (2) a temperature coefficient 100 is marked -00.
2002 nov 19 8 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 functional description derating c 100 150 0 -50 0 50 0,5 1 w 70 power dissipation p ? ambient temperature amb fig.1 derating, standard operation. mmb 0207 mmu 0102 mma 0204 ambient temperature amb ? c 100 150 0 -50 0 50 0,5 1 w 70 power dissipation p fig.2 derating, power operation. mmb 0207 mmu 0102 mma 0204
2002 nov 19 9 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 single pulse 400 100 s 1 ms 10 ms 1 1 s 10 s 0,1 w 10 s 100 ms 100 10 pulse duration t i pulse load p max fig.3 maximum pulse load, single pulse; for permissible resistance change equivalent to 8 000 h operation. mmb 0207 mmu 0102 mma 0204 fig.3 maximum pulse load, single pulse; for permissible resistance change equivalent to 8 000 h operation. continuous pulses 400 100 s 1 ms 10 ms 1 1 s 10 s 0,1 w 10 s 100 ms 10 100 pulse duration t i continuous pulse load p max fig.4 maximum pulse load, continuous pulses; for permissible resistance change equivalent to 8 000 h operation. mmb 0207 mmu 0102 mma 0204
2002 nov 19 10 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 pulse voltage

fig.5 maximum pulse voltage, single and continuous pulses; for permissible resistance change equivalent to 8 000 h operation. mmb 0207 mmu 0102 mma 0204 1,2/50 pulse 100 v 1 kv 10 v 10 kv resistance value r test voltage 100 ? 1 k ? 10 k ? 100 k ? 1 m ? 10 ? 10 m ? fig.6 pulse load rating in accordance with iec 60 115-1 clause 4.27; 1,2 s / 50 s; 5 pulses at 12 s intervals; for permissible resistance change 0,5%. mmb 0207 mmu 0102 mma 0204
2002 nov 19 11 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 10/700 pulse mmu 0402 mma 0204 mmb 0207 mmu 0402 mma 0204 mmb 0207 100 ? 1 k ? 10 k ? 100 v 100 k ? 1 m ? 1 kv 10 v 10 kv 10 ? 10 m ? resistance value r test voltage fig.7 pulse load rating in accordance with iec 60 115-1 clause 4.27; 10 s / 700 s; 10 pulses at 1 minute intervals; for permissible resistance change 0,5%. mmb 0207 mmu 0102 mma 0204 current noise resistance value r current noise a 1 0,01 1 k ? 10 k ? 100 k ? 1 m ? 10 m ? 0,1 1 v/v fig.8 current noise a 1 in accordance with iec 60 195. mmb 0207 mmu 0102 mma 0204
2002 nov 19 12 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 rf-behaviour , ,- ./$ - , , , , !0" '12* fig.9 | z |/ r for 49,9 melf resistor. mmb 0207 mmu 0102 mma 0204
2002 nov 19 13 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 mechanical data outlines fig.10 outlines. for dimensions see table 4. l d d 1 l 1 k table 4 melf resistor types, mass and relevant physical dimensions; see fig.10 ty p e l (mm) d (mm) l 1 min (mm) d 1 (mm) k (mm) mass (mg) mmu 0102 2,2 +0/ 0,1 1,1 +0/ 0,1 1,2 d +0/ 0,1 0,4 0,05 7 mma 0204 3,6 +0/ 0,2 1,4 +0/ 0,1 1,8 d +0/ 0,15 0,8 0,1 19 mmb 0207 5,8 +0/ 0,2 2,2 +0/ 0,2 2,8 d +0/ 0,2 1,2 0,2 79
2002 nov 19 14 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 tests and requirements all tests are carried out in accordance with the following specifications: en 60 115-1, generic specification en 140 400, sectional specification en 140 401-803, detail specification the components are approved in accordance with the european cecc-system, where applicable. 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 60 068 and under standard atmospheric conditions in accordance with iec 60 068-1, 5.3. 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 1 060 mbar). the components are mounted for testing on printed-circuit boards in accordance with en 140 400, 2.3.3, unless otherwise specified. the requirements stated in table 5 are based on the required tests and permitted limits of en 140 401-803. 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. x table 5 test procedures and requirements en 60 115-1 clause iec 60 068-2 test method test procedure requirements permissible change ( r/r) stability class 0,25 or better stability class 0,5 or better stability class 1 or better stability class 2 or better stability for product types: mmu 0102 10 to 221 k 1 to < 10 < 1 > 221 k mma 0204 10 to 332 k 1 to < 10 < 1 > 332 k mmb 0207 10 to 1 m 1 to < 10 < 1 > 1 m 4.5 resistance 1%; 0,5% 2%; 1% 5% 1% 4.8.4.2 temperature coefficient at 20 / 55 / 20 c and 20 / 125 / 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; 1 000 h (0,15% r + 10 m ) (0,5% r + 10 m ) 70 c; 8 000 h (0,3% r + 10 m ) (1% r + 10 m ) p 70 r
2002 nov 19 15 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 stability for product types: mmu 0102 10 to 221 k 1 to < 10 < 1 > 221 k mma 0204 10 to 332 k 1 to < 10 < 1 > 332 k mmb 0207 10 to 1 m 1 to < 10 < 1 > 1 m 4.25.1 (cont.) endurance at 70 c: power operation mode u = u max ; 1,5 h on; 0,5 h off; 70 c; 1 000 h (0,25% r + 10 m ) (0,5% r + 10 m ) 70 c; 8 000 h (0,5% r + 10 m ) (1% r + 10 m ) 4.25.3 endurance at upper category temperature 125 c; 1 000 h (0,15% r + 5 m ) (0,25% r + 5 m ) (0,5% r + 5 m ) (1% r + 5 m ) 155 c; 1 000 h (0,3% r + 5 m ) (0,5% r + 5 m ) (1% r + 5 m ) (2% r + 5 m ) 4.24 3 (ca) damp heat, steady state 40 2 c; 56 days; 93 +2/ 3% rh (0,15% r + 10 m ) (0,5% r + 10 m ) (1% r + 10 m ) (1% r + 10 m ) 4.39 67 (cy) damp heat, steady state, accelerated 85 2 c; 85 5% rh; u = 0,1 100 v; 1 000 h (0,25% r + 10 m ) (0,5% r + 10 m ) (1% r + 10 m ) (2% r + 10 m ) 4.23 climatic sequence: 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 lct = 55 c; uct = 155 c (0,15% r + 10 m ) (0,5% r + 10 m ) (1% r + 10 m ) (1% r + 10 m ) en 60 115-1 clause iec 60 068-2 test method test procedure requirements permissible change ( r/r) stability class 0,25 or better stability class 0,5 or better stability class 1 or better stability class 2 or better p 70 r p 70 r
2002 nov 19 16 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 stability for product types: mmu 0102 10 to 221 k 1 to < 10 < 1 > 221 k mma 0204 10 to 332 k 1 to < 10 < 1 > 332 k mmb 0207 10 to 1 m 1 to < 10 < 1 > 1 m 1 (aa) cold 55 c; 2 h (0,05% + 5 m ) (0,1% + 5 m ) 4.19 14 (na) rapid change of temperature 30 minutes at lct; 30 minutes at uct; lct = 55 c; uct = 125c 5 cycles (0,05% r + 10 m ) (0,1% r + 10 m ) 1000 cycles (0,15% r + 10 m ) (0,25% r + 10 m ) lct = 55 c; uct = 155c 1000 cycles (0,25% r + 10 m ) (0,5% r + 10 m ) 4.13 short time overload; standard mode u = 2,5 2 u max ; 5 s (0,03% r + 5 m ) (0,15% r + 5 m ) short time overload; power mode (0,05% r + 5 m ) (0,15% r + 5 m ) 4.27 single pulse high voltage overload; standard mode severity no. 4: u = 10 2 u max ; 10 pulses 10 s/700 s (0,25% r + 5 m ) single pulse high voltage overload; power mode (0,5% r + 5 m ) en 60 115-1 clause iec 60 068-2 test method test procedure requirements permissible change ( r/r) stability class 0,25 or better stability class 0,5 or better stability class 1 or better stability class 2 or better p 70 r p 70 r
2002 nov 19 17 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 stability for product types: mmu 0102 10 to 221 k 1 to < 10 < 1 > 221 k mma 0204 10 to 332 k 1 to < 10 < 1 > 332 k mmb 0207 10 to 1 m 1 to < 10 < 1 > 1 m 4.37 periodic electric overload; standard mode u = 2 u max ; 0,1 s on; 2,5 s off; 1000 cycles (0,5% r + 5 m ) periodic electric overload; power mode (1% r + 5 m ) 4.22 6 (fc) vibration endurance by sweeping; 10 to 2000 hz; no resonance; amplitude 1,5 mm or 200 m/s 2 ; 6 h (0,05% r + 5 m ) (0,1% r + 5 m ) 4.17.2 58 (td) solderability solder bath method; snpb40; non-activated flux; 215 3 c; 3 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 0,2 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 ) (0,1% r + 10 m ) (0,25% r + 10 m ) (0,25% r + 10 m ) reflow method 2 (ir/forced gas convection); 260 5 c; 10 1 s (0,02% r + 10 m ) (0,05% r + 10 m ) (0,05% r + 10 m ) (0,1% r + 10 m ) en 60 115-1 clause iec 60 068-2 test method test procedure requirements permissible change ( r/r) stability class 0,25 or better stability class 0,5 or better stability class 1 or better stability class 2 or better 15 p 70 r
2002 nov 19 18 bccomponents product specification professional melf resistors mmu 0102; mma 0204; mmb 0207 note 1. special requirements apply to micro-melf, mmu 0102: ? r < 100 (0,25% r + 10 m ) ? 100 r 221 k 0,1% r ? 221 k < r: 0,25% r stability for product types: mmu 0102 10 to 221 k 1 to < 10 < 1 > 221 k mma 0204 10 to 332 k 1 to < 10 < 1 > 332 k mmb 0207 10 to 1 m 1 to < 10 < 1 > 1 m 4.29 45 (xa) component solvent resistance isopropyl alcohol; 50 c; method 2 no visible damage 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 (adhesion) 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 ) (1) 4.7 voltage proof u rms = u ins ; 60 s no flashover or breakdown 4.35 flammability iec 60 695-2-2, needle flame test; 10 s no burning after 30 s en 60 115-1 clause iec 60 068-2 test method test procedure requirements permissible change ( r/r) stability class 0,25 or better stability class 0,5 or better stability class 1 or better stability class 2 or better

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