features n thick flm technology n power rating up to 2 watts at 70 c n high power surge withstanding n sulfur-resistant design (astm b-809) n rohs compliant* and halogen free** n aec-q200 compliant applications n automotive systems: - driver assistant - infotainment - lighting n power supplies n stepper motor drives CRM-A series high power thick film resistor * rohs directive 2015/863, mar 31, 2015 and annex. **bourns considers a product to be halogen free if (a) the bromine (br) content is 900 ppm or less; (b) the chlorine (cl) content is 900 ppm or less; and (c) the total bromine (br) and chlorine (cl) content is 1500 ppm or less. specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. electrical characteristics * tcr code assigned as x; see how to order. for standard values used in capacitors, inductors and resistors, click here . recommended solder pad layout l w t d c product dimensions model l w c d t crm0603a 1.60 0.10 0.80 0.10 0.30 0.20 0.30 0.20 0.45 0.10 (0.063 0.004) (0.031 0.004) (0.012 0.008) (0.012 0.008) (0.018 0.04) crm0805a 2.00 0.10 1.25 0.10 0.40 0.20 0.40 0.20 0.50 0.10 (0.079 0.004) (0.049 0.004) (0.016 0.008) (0.016 0.008) (0.020 0.04) crm1206a 3.10 0.10 1.60 0.10 0.50 0.25 0.50 0.25 0.55 0.10 (0.122 0.004) (0.063 0.004) (0.020 0.010) (0.020 0.010) (0.022 0.004) crm1210a 3.10 0.10 2.60 0.10 0.50 0.25 0.50 0.25 0.55 0.10 (0.122 0.004) (0.102 0.004) (0.020 0.010) (0.020 0.010) (0.022 0.004) crm2010a 5.00 0.20 2.50 0.20 0.65 0.25 0.60 0.25 0.60 0.10 (0.197 0.008) (0.098 0.008) (0.026 0.010) (0.024 0.010) (0.024 0.004) crm2512a 6.40 0.20 3.10 0.20 0.60 0.25 1.80 0.25 0.60 0.15 (0.252 0.008) (0.122 0.008) (0.024 0.010) (0.071 0.010) (0.024 0.006) dimensions: mm (inches) model a b l crm0603a 0.90 1.00 3.00 (0.035) (0.039) (0.118) crm0805a 1.30 1.15 3.50 (0.051) (0.045) (0.138) crm1206a 1.80 1.30 4.70 (0.071) (0.051) (0.185) model a b l crm1210a 3.00 1.30 4.70 (0.118) (0.051) (0.185) crm2010a 3.00 1.50 6.80 (0.118) (0.059) (0.268) crm2512a 3.70 2.45 7.60 (0.032) (0.096) (0.299) *rohs compliant, **halogen free & aec-q200 compliant lead free *rohs compliant versions available lead free versions are rohs compliant* characteristic model crm0603a crm0805a crm1206a crm1210a crm2010a crm2512a power rating @ 70 c 0.125 w 0.25 w 0.5 w 0.5 w 1 w 2 w operating temperature range -55 c to +155 c derated to zero load at +155 c maximum working voltage 50 milliohms to 910 milliohms 1 ohm to 1 megohm 477 mv 50 v 551 mv 150 v 675 mv 200 v 675 mv 200 v 954 mv 200 v 1349 mv 300 v maximum overload voltage 50 milliohms to 910 milliohms 1 ohm to 1 megohm 1066 mv 100 v 1232 mv 300 v 1508 mv 400 v 1508 mv 400 v 2133 mv 400 v 3017 mv 600 v resistance tolerance 0.5 %, 1 %, 5 % temperature coeffcient 50 milliohms to 91 milliohms (0.5 %, 1 %, 5 %, e24 series) 100 milliohms to 910 milliohms (0.5 %, 1 %, 5 %, e24 series) 1 ohm to 9.76 ohms (0.5 %, 1 %, e24 & e96 series) 10 ohms to 1 megohm (0.5 %, 1 %, e24 & e96 series) 1 ohm to 1 megohm (5 %, e24 series) 250 ppm 150 ppm* 200 ppm 100 ppm 200 ppm 200 ppm 100 ppm 150 ppm* 100 ppm 200 ppm 100 ppm 100 ppm 100 ppm 100 ppm 200 ppm 100 ppm 100 ppm 100 ppm 100 ppm 200 ppm 100 ppm 100 ppm 100 ppm 100 ppm 200 ppm 100 ppm 100 ppm 100 ppm 100 ppm 200 ppm a b sensing trace cu trace l
specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRM-A series high power thick film resistor how to order crm 0603 a f w - 1002 e lf model (crm = high power thick film resistor) size 0603 = 0603 size 0805 = 0805 size 1206 = 1206 size 1210 = 1210 size 2010 = 2010 size 2512 = 2512 size feature a = aec-q200 compliant resistance tolerance d = 0.5 % f = 1 % j = 5 % tcr (see electrical characteristics chart) ? v = 250 ppm/c ? w = 200 ppm/c ? x = 100 ppm/c note: crm0805a 0.5%, 1 %, 1 ohm to 9.76 ohms: 150 ppm/c crm0603a 0.5 %, 1 %, 5 %, 100 milliohms to 910 milliohms: 150 ppm/c resistance value ? 0.5 % or 1 % tolerance: <100 ohms ........ r represents decimal point (example: 24r3 = 24.3 ohms) 100 ohms ........ first three digits are signifcant, fourth digit represents number of zeros to follow (example: 8252 = 82.5k ohms) ? 5 % tolerance: <10 ohms .......... r represents decimal point (example: 4r7 = 4.7 ohms) 10 ohms .......... first two digits are signifcant, third digit represents number of zeros to follow (example: 474 = 470k ohms) packaging ? e = 5,000 pieces on 180 mm (7 inch) reel, paper tape - crm0603a, crm0805a, crm1206a, crm1210a 4,000 pieces on 180 mm (7 inch) reel, plastic tape - crm2010a, crm2512a termination ? lf = tin-plated (rohs compliant) surge performance 0.1 0.0001 0.001 0.01 0. 11 crm2010a crm2512a crm1206a crm0805a crm0603a 1000 100 10 1 pulse duration (seconds) peak power (watts)
typical part marking crm0603a, crm0805a, crm0805a, crm1206a, crm1206a, crm1210a, crm1210a, crm2010a, crm2010a, crm2512a crm2512a crm0603a crm0603a e96 5 % e24 / e96 1 % e24 1 % e96 1 % 3 digits identify the 4 digits identify the 3 digits identify the 3 digits identify the resistance value resistance value resistance value resistance value 301 = 30 x 10 1 = 300 ohms 1542 = 154 x 10 2 = 15.4k ohms 222 = 22 x 10 2 = 2.2k ohms 01b = 1k ohms (refer to marking table below) e96 marking for crm0603a, 1 % code r value code r value code r value code r value code r value code r value code r value code r value 01 100 13 133 25 178 37 237 49 316 61 422 73 562 85 750 02 102 14 137 26 182 38 243 50 324 62 432 74 576 86 768 03 105 15 140 27 187 39 249 51 332 63 442 75 590 87 787 04 107 16 143 28 191 40 255 52 340 64 453 76 604 88 806 05 110 17 147 29 196 41 261 53 348 65 464 77 619 89 825 06 113 18 150 30 200 42 267 54 357 66 475 78 634 90 845 07 115 19 154 31 205 43 274 55 365 67 487 79 649 91 866 08 118 20 158 32 210 44 280 56 374 68 499 80 665 92 887 09 121 21 162 33 215 45 287 57 383 69 511 81 681 93 909 10 124 22 165 34 221 46 294 58 392 70 523 82 698 94 931 11 127 23 169 35 226 47 301 59 402 71 536 83 715 95 953 12 130 24 174 36 232 48 309 60 412 72 549 84 732 96 976 this table shows the frst two digits for the three-digit e96 part marking scheme. the third character is a letter multiplier: a=10 0 b=10 1 c=10 2 d=10 3 e=10 4 f=10 5 g=10 -6 h=10 -7 x=10 -1 y=10 -2 z=10 -3 specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRM-A series high power thick film resistor 301 1542 222 01b 301 1542 222 01b 301 1542 222 01b 301 1542 222 01b
specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRM-A series high power thick film resistor performance characteristics (aec-q200) test method procedure test limits d r high temperature exposure storage aec-q200 table 7.3 1,000 hours @ +125 c; no power loading 0.5 %, 1 % tolerance: ?1 % 5 % tolerance: ?3 % temperature cycling aec-q200 table 7.4 -55 c to +125 c, 1,000 cycles 0.5 %, 1 % tolerance: ?1 % 5 % tolerance: ?3 % moisture resistance aec-q200 table 7.6 +65 c / 80~100 % rh / 10 cycles 0.5 %, 1 % tolerance: ?0.5 % 5 % tolerance: ?1 % biased humidity aec-q200 table 7.7 1,000 hours @ +85 c / 85 % rh, 10 % operating power 0.5 %, 1 % tolerance: ?1 % 5 % tolerance: ?3 % operational life aec-q200 table 7.8 1,000 hours @ +125 c, at specifed rated power 0.5 %, 1 % tolerance: ?1 % 5 % tolerance: ?3 % mechanical shock aec-q200 table 7.13 100 g, half-sine, 6 ms, velocity: 12.3 ft./sec. within product specifcation tolerance; no visible damage vibration aec-q200 table 7.14 5 g for 20 minutes, 12 cycles each of 3 durations; 10~200 hz 0.5 %, 1 % tolerance: ?0.5 % 5 % tolerance: ?1 % resistance to solder heat aec-q200 table 7.15 +270 c 5 c, 10 1 seconds 0.5 %, 1 % tolerance: ?0.5 % 5 % tolerance: ?1 % thermal shock aec-q200 table 7.16 -55 c to +155 c, dwell time 15 minutes, max. transfer time 20 seconds/300 cycles 0.5 %, 1 % tolerance: ?0.5 % 5 % tolerance: ?1 % esd aec-q200-002 1 kv min. ?1 % solderability aec-q200 table 7.18 a) backing +155 c, 4 hours, dipping +235 c, 5 seconds b) steam 8 hours, dipping +215 c, 5 seconds c) steam 8 hours, dipping +260 c, 7 seconds over 95 % of the termination must be covered with solder flammability aec-q200 table 7.20 ul 94 v-0 or v-1 are acceptable refer to ul 94 board flex aec-q200 table 7.21 bending 2 mm (crm1206a, 1210a, 2010a, 2512a) bending 3 mm (crm0603a, 0805a) 0.5 %, 1 % tolerance: ?0.5 % 5 % tolerance: ?1 % terminal strength aec-q200 table 7.22 force 1.8 kg for 60 seconds no mechanical damage sulfur-resistant (applies only when r 1 ohm) astm b-809 +50 c 2 c, 1,000 hours ?1 % soldering profle 25 75 125 175 225 275 05 0 100 150 200 250 300 t ime (seconds) t emperature (c) 60 - 120 seconds 90 - 150 seconds 260 c peak 190 c 150 c 220 c ramp down 6 c/second 255 c maximum of 20 seconds between +255 c and +260 c ramp up 3 c/second maximum 10 seconds minimum <1> <1> derating curve ambient t emperature (c) 70 155 100 -55 power ratio (%) environmental characteristics moisture sensitivity level 1 shzzh/4 1a
specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRM-A series high power thick film resistor packaging dimensions (conforms to eia rs-481a) dimensions: mm (inches) b c d n g t a model tape type a b w f e p 1 p 2 p 0 d crm0603a paper 1.10 0.20 (.043 .008) 1.90 0.20 (.075 .008) 8.00 0.30 (.315 .012) 3.50 0.05 (.138 .002) 1.75 0.10 (.069 .004) 4.00 0.10 (.158 .004) 2.00 0.05 (.079 .002) 4.00 0.10 (.158 .004) 1.50 +0.10/-0 (.006 +.004/-0) crm0805a paper 1.65 0.20 (.065 .008) 2.40 0.20 (.094 .008) 8.00 0.30 (.315 .012) 3.50 0.05 (.138 .002) 1.75 0.10 (.069 .004) 4.00 0.10 (.158 .004) 2.00 0.05 (.079 .002) 4.00 0.10 (.158 .004) 1.50 +0.10/-0 (.006 +.004/-0) crm1206a paper 2.00 0.20 (.079 .008) 3.60 0.20 (.142 .008) 8.00 0.30 (.315 .012) 3.50 0.05 (.138 .002) 1.75 0.10 (.069 .004) 4.00 0.10 (.158 .004) 2.00 0.05 (.079 .002) 4.00 0.10 (.158 .004) 1.50 +0.10/-0 (.006 +.004/-0) crm1210a paper 3.00 0.20 (.118 .008) 3.60 0.20 (.142 .008) 8.00 0.30 (.315 .012) 3.50 0.05 (.138 .002) 1.75 0.10 (.069 .004) 4.00 0.10 (.158 .004) 2.00 0.05 (.079 .002) 4.00 0.10 (.158 .004) 1.50 +0.10/-0 (.006 +.004/-0) crm2010a plastic 2.80 0.20 (.110 .008) 5.50 0.20 (.217 .008) 12.00 0.30 (.472 .012) 3.50 0.05 (.138 .002) 1.75 0.10 (.069 .004) 4.00 0.10 (.158 .004) 2.00 0.05 (.079 .002) 4.00 0.10 (.158 .004) 1.50 +0.10/-0 (.006 +.004/-0) crm2512a plastic 3.50 0.20 (.138 .008) 6.70 0.20 (.264 .008) 12.00 0.30 (.472 .012) 3.50 0.05 (.138 .002) 1.75 0.10 (.069 .004) 4.00 0.10 (.158 .004) 2.00 0.05 (.079 .002) 4.00 0.10 (.158 .004) 1.50 +0.10/-0 (.006 +.004/-0) p 0 p 1 a accumulated dimensional tolerance w p 2 d b f e 40 0.2 (1.575 .008) dimensions: mm (inches) model packaging quantity a n c d min. b g t max. crm0603a 5,000 pcs. per reel 1.78 2.00 (.070 .079) 60 0.50 (2.362 .020) 13.0 0.50 (.512 .020) 20.0 (8.661) 2.00 0.50 (.079 .020) 10.00 1.50 (.394 .006) 14.9 (.587) crm0805a crm1206a crm1210a crm2010a 4,000 pcs. per reel 13.80 1.50 (.543 .006) 16.7 (.657) crm2512a rev. 12/17
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