1 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change thick film chip resistors nrcw series features ? eia standard sizing 0603 (1/8w), 0805 (1/4w), 1206 (1/2w), 2010 (1w) and 2512 (2w) ? voltage ratings (50vdc ~ 300vdc) ? resistance values (0 to 1m ) ? thick film on alumina substrate, ruo 2 /ag resistive layer ? glass and epoxy overcoat type eia size power rating at 70c max.*1 working voltage max.*2 overload voltage resistance tolerance (code) temperature coef cient (ppm/c) +20c ~ +155c resistance range ( ) resistance value operating temperature range (c) nrcw06 0603 1/8w (0.125w) 50v 100v 1% (f) 5% (j) 100 1.0 ~ 1m e-24,e-96 -55 ~ +155 nrcw10 0805 1/4w (0.25w) 150v 300v 1% (f) 5% (j) 100 1.0 ~ 1m e-24,e-96 nrcw12 1206 1/2w (0.50w) 200v 400v 1% (f) 5% (j) 100 1.0 ~ 1m e-24,e-96 nrcw50 2010 1w 200v 400v 1% (f) 5% (j) 100 1.0 ~ 1m e-24,e-96 nrcw100 2512 2w 300v 500v 1% (f) 5% (j) 100 1.0 ~ 1m e-24,e-96 new high power resistors (up to 2watt) note *2 - maximum allowable overload voltage is two times the maximum working voltage (see note *1 above). power rating (watts) x resistance (ohms) note *1 - maximum allowable continuous working voltage for all resistors is the lower of the two values: ?maximum working voltage? as speci ed above (or) power derating curve: for operation above 70 c, power rating must be derated according to the following chart: o c rate (%) 100 80 60 40 20 0 -20 20 60 100 140 160 70 155 part number system (5% tol. e-24 values) nrcw 10 j 103 tr 10 f rohs compliant opt. reel qty 10=10k (see page 6) tape & reel packaging resistance code: first 2 gures are sig ni cant, 3rd digit is the multiplier tolerance code: j = 5% size code series part number system (1% tol. e-24 & e96 values) nrcw 10 f 1002 tr 10 f rohs compliant opt. reel qty 10=10k (see page 6) tape & reel packaging resistance code: first 3 gures are sig ni cant, 4th digit is the multiplier tolerance code: f = 1% size code series part numbers* eia size rated current (a) peak current (a) max. resistance (m ) operating temperature range (c) nrcw06zotrf 0603 2.0 5.0 20 -55 ~ +155 nrcw10zotrf 0805 4.0 10 20 nrcw12zotrf 1206 5.0 12.5 20 NRCW50ZOTRF 2010 7.0 17.5 20 nrcw100zotrf 2512 10 25 20 zero ohm part numbers and specifications * see page 5 for optional reel sizes/quantities on 0603 and 0805 case sizes.
2 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change component dimensions (mm)* type eia size lwht t nrcw06 0603 1.60 0.10 0.80 0.10 0.45 0.15 0.30 0.15 0.30 0.10 nrcw10 0805 2.00 0.10 1.25 0.10 0.50 0.15 0.40 0.20 0.40 0.20 nrcw12 1206 3.10 0.15 1.60 0.15 0.55 0.10 0.50 0.25 0.50 0.25 nrcw50 2010 5.00 0.20 2.50 0.20 0.60 0.10 0.60 0.25 0.60 0.25 nrcw100 2512 6.30 0.20 3.10 0.20 0.60 0.15 0.60 0.25 1.80 0.25 environmental characteristics item speci cation test method tol. 1% tol. 5% 0 short time overload r (1% + 0.05 ) r (2% + 0.05 ) 20m max. jis-c-5201-1 4.13 5x rated power or max overloading voltage whichever is less for 5 seconds insulation resistance >10,000m jis-c-5201-1 4.6 maximum overload voltage for 1 minute endurance (load life) r (1% + 0.05 ) r (3% + 0.1 ) 20m max. jis-c-5201-1 4.25 rcwv +70c, 1.5 hours "on", 0.5 hours "off" total time 1,000 hours damp heat with load r (1% + 0.05 ) r (3% + 0.1 ) 20m max. jis-c-5201-1 4.24 rcwv +40c, 90~95% rh, 1.5 hour "on", 0.5 hours "off" total time 1,000 hours bending strength r (0.5% + 0.05 ) r (1% + 0.1 ) 20m max. jis-c-5201-1 4.33 bend once for 10 seconds (0603 ~ 1206: 3mm, 2010, 2512: 2mm) solderability >95% minimum coverage jis-c-5201-1 4.17 235c 5c for 2 0.5 seconds resistance to soldering heat r (0.5% + 0.05 ) r (1% + 0.1 ) 20m max. jis-c-5201-1 4.18 260c 5c for 10 seconds withstanding voltage no breakdown or ashover 20m max. jis-c-5201-1 4.7 maximum overload voltage (ac) for 1 minute temperature cycling r (0.5% + 0.05 ) r (1% + 0.1 ) 20m max. jis-c-5201-1 4.19 30 minutes -55c, 2 ~ 3 minutes +20c, 30 minutes @155c, 2 ~ 3 minutes +20c (5 cycles) thick film chip resistors nrcw series *same for zero ohm jumper
3 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change thick film chip resistors nrcw series land pattern dimensions (mm) type eia size abc nrcw06 0603 0.90 0.60 0.90 nrcw10 0805 1.20 0.70 1.30 nrcw12 1206 2.00 0.90 1.60 nrcw50 2010 3.80 0.90 2.80 nrcw100 2512 3.80 1.60 3.50 a b b c reflow soldering temperature profile 200 300 260 50 150 100 0 150c ~ 180c 90 ~120 sec. 10 sec. max. peak temperature 260c 220 time >220c 60 sec. max. 245 time >245c 60 sec. max. construction alumina substrate 1. top electrode 4. termination finish 3. barrier layer 2. side electrode 8. bottom electrode 7. 2nd overcoat 6. 1st overcoat 5. r material 1. ag/pd top electrode 2. nicr side electrode 3. ni barrier 4. 100% sn finish 5. thick film ruo2 6. epoxy resin 7. glass 8. ag bottom electrode
4 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change component marking (note: no marking on 0402 case size parts). 1. for e-24 series j (5%) tolerance in 0603, 0805, 1206, 2010 and 2512 sizes: 3 digit system - first two digits are signi cant and third digit is multiplier examples: 100 = 10 ohms 101 = 100 ohms 102 = 1,000 103 = 10,000 ohms 104 = 100,000 ohms 105 = 1,000,000 ohms 2. for e-96 series f ( 1%) tolerance in 0805, 1206 and 2010 and 2512 sizes: 4 digit system - first 3 digits are signi cant and fourth digit is multiplier, "r" represents decimal point examples: 10r0 = 10 ohms 1000 = 100 ohms 1001 = 1,000 ohms 1002 = 10,000 1003 = 100,000 ohms 1004 = 1,000,000 ohms 3. for e-96 series f ( 1%) tolerance in 0603 size (available from 1.0 ohm ~ 1.0mohm) special 3 digit system below (due to space restrictions) thick film chip resistors nrcw series 0603 e-96 values 1% tolerance resistance code multiplier code resistance code xx coding formula multiplier code x marking examples 10 = 01x 7.5k = 85b or 85b 150k = 18d or 18d 1.0meg = 01e example: 10.2k = 102 x 10 2 = 02c 33.2 = 332 x 10 -1 = 51x 02 c 51 x e-96 value code value code value code value code 100 01 102 02 105 03 107 04 110 05 113 06 115 07 118 08 121 09 124 10 127 11 130 12 133 13 137 14 140 15 143 16 147 17 150 18 154 19 158 20 162 21 165 22 169 23 174 24 178 25 182 26 187 27 191 28 196 29 200 30 205 31 210 32 215 33 221 34 226 35 232 36 237 37 243 38 249 39 255 40 261 41 267 42 274 43 280 44 287 45 294 46 301 47 309 48 316 49 324 50 332 51 340 52 348 53 357 54 365 55 374 56 383 57 392 58 402 59 412 60 422 61 432 62 442 63 453 64 464 65 475 66 487 67 499 68 511 69 523 70 536 71 549 72 562 73 576 74 590 75 604 76 619 77 634 78 649 79 665 80 681 81 698 82 715 83 732 84 750 85 768 86 787 87 806 88 825 89 845 90 866 91 887 92 909 93 931 94 953 95 976 96 code a b,b c d,d e f g h x y z multiplier 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 -1 10 -2 10 -3
5 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change embossed plastic tape specification reel quantities and carrier dimensions (mm) type eia size a b d e f p o p 1 tw nrcw06 0603 1.10 0.20 1.90 0.20 1.5 + 0.1 / - 0 1.75 0.1 3.5 0.2 4.0 0.1 4.0 0.1 0.65 0.05 8.0 0.3 nrcw10 0805 1.65 0.20 2.40 0.20 1.0 max. nrcw12 1206 2.00 0.10 3.60 0.20 type eia size ab de fp 0 p 1 tw qty per reel 7" reel nrcw50 2010 2.80 0.20 5.50 0.20 1.5 +0.1 / -0 1.75 0.1 5.5 0.1 4.0 0.1 4.0 0.1 1.2 max. 12.0 0.1 4,000 nrcw100 2512 3.60 0.20 6.90 0.20 punched taping specifications reel quantities thick film chip resistors nrcw series type eia size carrier tape qty per 7" reel qty per 10" reel qty per 13" reel fig. material width (mm) nrcw06 0603 a paper 8 5,000 10,000 20,000 nrcw10 0805 a paper 8 5,000 10,000 20,000 nrcw12 1206 a paper 8 5,000 n/a n/a carrier dimensions (mm) p 1 a f t w b d p 0 cover tape e p 1 a f t w b d p 0 cover tape e
6 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change thick film chip resistors nrcw series reel specifications type reel diameter b (mm) c (mm) w (mm) reel qty part number suf x a nrcw06 nrcw10 nrcw12 7" 178 2.0 60 1.0 13.0 0.2 9.0 0.5 5,000 trf 10" 254 2.0 100 1.0 10,000 tr10f 13" 330 2.0 20,000 tr20f nrcw50 7" 178 2.0 60 1.0 12.4 1.0 4,000 trf nrcw100 4,000 trf b c a w
|
