45 cal-chip e l e c t r o n i c s , i n c o r p o r a t e d thick film chip resistors - rm series fixed chip resistors manufactured for more compact electronic com- ponents and automatic mounting system. these chip resistors have electrical stability and mechanical stress due to used reliable metal glazed paste printed on alumina substrate. resistors will reduce your cost and save developmental time. f ea tures 1. very small, thin and light weight. 2. both flow soldering and reflow soldering are applicable. 3. owing to the reduced lead inductance, the high frequency characteristic is excellent. 4. suitable size and packaging for surface mount assembly. p ar t n umbering 1. code designation: thick film chip resistors 2. dimensions: rm04 1.0x.5mm; rm06 1.6x.8mm; rm10 2.0x1.25mm; rm12 3.2x1.6mm rm14 3.2x2.65mm; rm20 5.0x2.5mm; r m 25 6.3x3.1mm 3. resistance tolerance: f: 1%; j: 5% 4. nominal resistance: 5% - 3 digit 1st 2 significant 3rd is multiplier (10x) 000 = jumper 0 ohm 1% - 4 digit 1st 3 significant 4th multiplier (10x) 5. packaging: (ex) 0805 1/10 watt 5% 10ohm rm 10 j 100 ct 12345 rm s eries tape packaging: ct
46 cal-chip e l e c t r o n i c s , i n c o r p o r a t e d thick film chip resistors p erformance c hara cteristics ( t ested per mil-std-202 oper. temp. -55c ~ 125c ) d imensions inches (mm) type rm04 rm06 rm10 rm12 rm14 rm20 rm25 package size 0402 0603 0805 1206 1210 2010 2512 power rating (watts) 1/16 @ 70? 1/10 @ 70? 1/8 @ 70? 1/4 @ 70? 1/3 @ 70? 1/2 @ 70? 1 @ 70? maximum working voltage 50v 50v 150v 200v 200v 200v 200v maximum overload voltage 100v 100v 300v 400v 400v 400v 400v resistance temperature coefficient 4 00ppm/? ?00ppm/? 1 00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? ?00ppm/? resistance range 1 ? - 9.1 ? 10 ? - 10 m 10 ? - 1 m 1.0 ? - 9.1 ? 1 m - 10 m 10 ? - 10 m 10 ? - 1 m 1.0 ? - 9.1 ? 1 m - 10 m 10 ? - 20 m 10 ? - 1 m .01 ? - 9.1 ? 1 m - 10 m 10 ? - 20 m 10 ? - 1 m .01 ? - 9.1 ? 1 m - 10 m 10 ? - 10 m 10 ? - 1 m .01 ? - 9.1 ? 10 ? - 10 m 10 ? - 1 m .01 ? - 9.1 ? 10 ? - 10 m 10 ? - 1 m tolerance ?% / 1% ?% ?% ?% / 1% ?% ?% ?% ?% / 1% ?% ?% ?% ?% / 1% ?% ?% ?% ?% / 1% ?% ?% ?% ?% / 1% ?% ?% ?% / 1% ?% ?% current rating of jumper 3 1a max. 1a max. 2a max. 2a max. 3a max. 3a max. 3a max. body length (l) 0.39+.004/-.002 (1.0+0.10/-0.05) .063?004 (1.60?.10) .078?008 (2.00?.20) .122?004 (3.10?.10) .122?004 (3.10?.10) .197?008 (5.00?.20) .248?008 (6.30?.20) body width (w) .020+.004/-.002 (0.50+.10/-0.05) .031+.006/-.002 (0.80+0.15/-0.05) .049?008 (1.25?.20) .061?004 (1.55?.10) .100?004 (2.55?.10) .098?008 (2.50?.20) .124?008 (3.15?.20) body height (h) .014?002 (0.35?.05) .018?004 (0.45?.10) .018?004 (0.45?.15) .021+.004/-.002 (0.55+0.10/-0.05) .021+.004/-.002 (0.55+0.10/-0.05) .021?004 (0.55?.10) .021?004 (0.55?.10) top terminator (a) .008?004 (0.20?.10) .010?004 (0.25?.10) .016?008 (0.40?.20) .018?008 (0.45?.20) .018?008 (0.45?.20) .020?008 (0.50?.20) .020?008 (0.50?.20) bottom terminator (b) .010+.008/-.004 (0.25+0.20/-0.10) .012+.008/-.004 (0.30+0.20/-0.10) .012+.008/-.004 (0.30+0.20/-0.10) .012+.008/-.004 (0.30+0.20/-0.10) .012+.008/-.004 (0.30+0.20/-0.10) .020?008 (0.50?.20) .020?008 (0.50?.20) type rm04 rm06 rm10 rm12 rm14 rm20 rm25 n o tes rm s eries 1. rm04 j & f are not marked 2. zero ohm (0.05 max.) jumper available in all sizes in j tol. call out only 3. eia, e24 and e96 resistance ranges apply 4. higher and lower values available. consult factory.
47 cal-chip e l e c t r o n i c s , i n c o r p o r a t e d thick film chip resistors m arking resistance value in three digit designation system is marked on the glasscoat. illustrated is a resistor of 15k . four digit resistance desig- nation system is applied to rm12 and e-96 series. for example, 1502 designated 15k . (the last digit specifies the number of zeros.) 1. for e-24 series (5%-j and 10%-k tolerances) in 0603, 0805, 1206, 1210, 2010 and 2512 sizes: 3 digit system - first two digits are significant and third digit is multiplier, r indicates decimal on values under 10 ohms. examples: 10r = 10 ohms 102 = 1k ohms 470 = 47 ohm 103 = 10k ohms 101 = 100 ohms 104 = 100k ohms 105 = 1 megohms 2. for e-96 series (1%-f tolerance) in 0805, 1206, and 1210sizes: 4 digit system - first three digits are significant and fourth digit is multiplier, r indicates decimal on values under 10 ohms. examples: 10r0 = 10 ohms 1003 = 100k ohms 1000 = 100 ohms 1004 = 1 megohms 1001 = 1k ohms 1052 = 10.5k ohms 1002 = 10k ohms 2213 = 221k ohms 3. for e-96 series (1%-f tolerance) in 0603 size 3 digit system (due to space restrictions) i tems moisture resistance, thermal shock low temperature exposure load life load life in moisture vibration resistance to soldering eat solderability eat resistance terminal strength dielectric ithstanding voltage short time overload insulation resistance voltage coefficient s ecifications ,r eirement (1%0.05 ), no mechanical damage (3%0.1 ), no mechanical damage 1 meg (3%0.1 ), 1 meg 5% 1 meg (3%0.1 ), 1 meg 5% (1%0.05 ), no mechanical damage (1%0.05 ), no mechanical damage min. 95% coverage (1%0.05 ) (3%0.1 ), no mechanical damage (1%0.05 ), no mechanical damage (1%0.05 ), no mechanical damage no insulation breakdown (1%0.05 ), no evidence of arc 1,000 meg minimum 0/-100ppm/v (above 1k) t ested er eia j-rc-2690a -55c to 125c, 5 cycles -55c, 1,000 ours 70c, rated voltage, 1.5hr on/0.5hr off, 1,000 hrs 40c, 95% r.., 1.5hr on/0.5hr off, 1,000 hrs 10-55 z, 3 direction, each 2 hours 270c, 10 seconds 230c, 3 seconds, flux applied 1 150c, 10 minutes -125c, 1,000 hours 500 load, 30 seconds 1/45mm bend, 10 seconds 500v, 1 minute 2 1/2 times rated voltage, 5 seconds 500v, 1 minute rated voltage 1/10 times rated voltage t ical ithin 0.2% ithin 0.5% see raph see raph ithin 0.1% see raph more than 97% ithin 0.3% ithin 0.5% ithin 0.2% ithin 0.2% above 900v ithin 0.4% above 10 6 meg ithin -90ppm/v e-24 value 100 110 120 130 150 160 180 200 220 240 270 300 330 360 390 430 470 510 560 620 680 750 820 910 value 100 110 121 133 147 162 178 196 215 237 261 287 316 348 383 422 464 511 562 619 681 750 825 909 code 01 05 09 13 17 21 25 29 33 37 41 45 49 53 57 61 65 69 73 77 81 85 89 93 value 102 113 124 137 150 165 182 200 221 243 267 294 324 357 392 432 475 523 576 634 698 768 845 931 code 02 06 10 14 18 22 26 30 34 38 42 46 50 54 58 62 66 70 74 78 82 86 90 94 value 105 115 127 140 154 169 187 205 226 249 274 301 332 365 402 442 487 536 590 649 715 787 866 953 code 03 07 11 15 19 23 27 31 35 39 43 47 51 55 59 63 67 71 75 79 83 87 91 95 value 107 118 130 143 158 174 191 210 232 255 280 309 340 374 412 453 499 549 604 665 732 806 887 976 code 04 08 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 e-96 a b c d e f x 10 0 10 1 10 2 10 3 10 4 10 5 10 -1 *for 1%, a 3-digit alpha-numeric marking system is used as follows. material alumina orcelain ruthenium-oxide film boro-silicated acid lead lass 90/10 tin-lead (electrical lated) over nickel (electrical lated) over a-d (silver alladiumlaze rinted) remarks (reference only) urity 90% min. 20 microns thick 20 microns thick 3 microns thick 3 microns thick 8 microns thick feature substrate resistive film coating terminations m a terials p erformance c hara cteristics adhesion curing dry heat pull board bending rm s eries
48 cal-chip e l e c t r o n i c s , i n c o r p o r a t e d thick film chip resistors p erformance c ur ves power - temperature derating current noise load life in moisture (1,000 hours) high frequency characteristics resistance to soldering heat load life (1,000 hours) rm12 10 rn12 10 note: rn is thin film rm is thick film rm s eries
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