. surge withstanding chip resistor swr series construction 1 alumina substrate 4 edge electrode (nicr) 7 resistor layer (ruo 2 /ag) 2 bottom electrode (ag) 5 barrier layer (ni) 8 primary overcoat (glass) 3 top electrode (ag-pd) 6 external electrode (sn) 9 secondary overcoat (epoxy) dimensions unit: mm type size (inch) l w t d1 d2 weight (g) (1000pcs) crsw . 0603 1.600.10 0.800.10 0.450.10 0.300.20 0.300.20 2.042 crsw . 0805 2.000.10 1.250.10 0.500.10 0.350.20 0.400.20 4.368 crsw . 1206 3.100.10 1.550.10 0.550.10 0.500.25 0.500.20 8.947 crsw . 1210 3.200.10 2.600.15 0.550.10 0.500.25 0.500.20 15.959 crsw . 2010 5.000.20 2.500.15 0.550.10 0.600.25 0.500.20 24.241 crsw . 2512 6.350.20 3.200.15 0.550.10 0.600.25 0.500.20 39.448 part numbering derating curve product type dimensions p ower r ating r esistance r esistance t olerance t cr ( ppm/'c) 0603 0805 1206 1210 u: 1/2w 2010 v: 1/4w 2512 w: 1/8w a : 1.5w o : 1/3w q : 3/4w 1005: 10mohm m: 20% 1 001: . 1kohm 1 004: 1mohm j : 5 % k : 1 0% e : 100 f : 200 1001: 1k ? 1004: 1m ? 1005: 10m ? : s t andard mark ing n: no marking features high power rating excellent surge withstanding & pulse withstanding performance improved working voltage ratings standard package sizes of 0603~2512 applications metering (testing/measurement) medical devices automotive power supply charger inverter lcd video monitors c r sw 0 603 a 1 001 e j l t d1 d2 w 1 2 3 4 5 6 7 8 9 0 20 40 60 80 100 0 20 40 60 80 100 120 140 160 180 ambient temperature( ) power ratio(%) crsw serie s meritek surge withstanding chip resistor s pecifications are subject to change w i thout notice. rev.6 a
. standard electrical specifications resistance range item type power rating at 70c operating temp. range max. operating voltage 5% 10% 20% tcr (ppm/c) 10 ? - 299 ? 200 cr sw ( 0603 ) 1/8w -55 ~ +155 c 50v 300 ? - 1m ? 100 1 ? - 299 ? 200 cr sw (0805 ) 1/4w -55 ~ +155 c 150v 300 ? - 20m ? 100 1 ? - 20 ? 200 cr sw (1206 ) 1/3w -55 ~ +155 c 200v 20.1 ? - 20m ? 100 1 ? - 20 ? 200 cr sw (1210 ) 1/2w -55 ~ +155 c 200v 20.1 ? - 20m ? 100 1 ? - 20 ? 200 cr sw (2010 ) 3/4w -55 ~ +155 c 400v 20.1 ? - 20m ? 100 1 ? - 20 ? 200 cr sw (2512 ) 1.5w -55 ~ +155 c 500v 20.1 ? - 20m ? 100 operating voltage= (p*r) or max. operating voltage listed above, whichever is lower. overload voltage=2.5* (p*r) or max. overload voltage list ed above, whichever is lower. environmental characteristics item requirement test method temperature coefficient of resistance (t.c.r.) as spec. +25/-55/+25/+125/+25 c short time overload 1% rcwv*2.5 or max. overload voltage for 5 seconds insulation resistance >1000m ? apply 100v dc for 1 minute endurance 3% 70 2 c, max. working voltage for 1000 hrs with 1.5 hrs ?on? and 0.5 hrs ?off? damp heat with load 3% 40 2 c, 90~95% r.h. max. working voltage for 1000 hrs with 1.5 hrs ?on? and 0.5 hrs ?off? dry heat 3% at +155 c for 1000 hrs bending strength 1% bending amplitude 3mm for 10 seconds solderability 95% min. coverage 245 5 c for 3 seconds resistance to soldering heat 1% 2605 c for 10 seconds thermal shock 1% -55 c ~150 c, 100 cycles reference standards: mil-std-202, jis-c 5201-1 storage temperature: 253 c; humidity < 80%rh
. packaging reel specifications & packaging quantity unit: mm s ize packaging quantity tape width reel diameter a b c w t 5k 7 inch 178.51.5 60 +1/-0 13.00.2 9.00.5 12.50.5 10k 10 inch 2541.0 1000.5 13.00.2 9.50.5 13.50.5 0603 0805 1206 1210 paper 20k 8mm 13 inch 3301.0 1000.5 13.00.2 9.50.5 13.50.5 4k 7 inch 178.51.5 60 +1/-0 13.00.5 13.00.5 15.50.5 2010 2512 embossed 8k 12mm 10 inch 2501.0 620.5 13.00.5 12.50.5 16.50.5 paper tape specifications unit: mm s ize a b w e f p 0 p 1 p 2 d 0 t 0603 1.100.10 1.900.10 8.00.20 1.750.10 3.500.05 4.000.10 4.000.05 2.000.05 1.50+0.1,-0 0.700.10 0805 1.600.10 2.400.20 8.00.20 1.750.10 3.500.05 4.000.10 4.000.05 2.000.05 1.50+0.1,-0 0.850.10 1206 1.900.10 3.500.20 8.00.20 1.750.10 3.500.05 4.000.10 4.000.05 2.000.05 1.50+0.1,-0 0.850.10 1210 2.800.10 3.500.20 8.00.20 1.750.10 3.500.05 4.000.10 4.000.05 2.000.05 1.50+0.1,-0 0.850.10 embossed plastic tape specifications unit: mm s ize a b w e f p 0 p 1 p 2 d 0 t 2010 2.80.20 5.50.20 12.00.30 1.750.10 5.50.05 4.000.10 4.000.10 2.000.05 1.50+0.1, -0 1.2 +0 2512 3.50.20 6.70.20 12.00.30 1.750.10 5.50.05 4.000.10 4.000.10 2.000.05 1.50+0.1, -0 1.2 +0 w e f d 0 p 0 a b t d 1 1.5+0.25,-0 embossed tape direction of unreelin g top tape resisto r p 1 p 2 w e f a b t direction of unreeling resisto r to p ta p e bottom tape paper tape d 0 p 0 p 1 p 2
. n marking 0805~2512 4 digits marking for example resistance 100
2.2k
10k
49.9k
100k
marking 1000 2201 1002 4992 1003 0603: 3 digits marking in e24 example: 101=100
102=1k
(1 st and 2 nd are e24 code and 3 rd code is multiplier) e24 code 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 n recommend land pattern unit: mm s ize a b c 0603 ..... 0.90 0.60 0.90 0805 ..... 1.20 0.70 1.30 1206 ..... 2.00 0.90 1.60 1210 ..... 2.00 0.90 2.80 2010 ..... 3.80 0.90 2.80 2512 ..... 3.80 1.60 3.50 a b c
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