? ? ? rev. 7a ? high power chip resistor meritek CRH series ? feature and applications ? this specification applies to all sizes of rectangular-type fixed chip resistors with ruthenium-base as material. ? small size and light weight ? highly reliable multilayer electrode construction ? compatible with all soldering process ? telecommunication equipment ? radio and tape recorders, tv tuners ? digital cameras, watches, pocket calculators ? automotive industry ? computers, instruments ? medical and military equipment ? ? p art n umbering s ystem CRH 0603 h 102 j high power chip resistors size 0402 0603 0805 1206 1210 2010 2512 function code h u high power ultra high power resistance value 5% 3 digits. first 2 are significant, third is multiplier (10 x ) 1% 4 digits. first 3 are significant, forth is multiplier (10 x ) resistance tolerance code f j value 1% 5% ? ? derating curve ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 20 40 60 80 100 0 20 40 60 80 100 120 140 160 ambient temperature ( ) power ratio (%) CRH0402 CRH0603 CRH0805 CRH1206 CRH1210 CRH2010 CRH2512
? ? ? rev. 7a ? high power chip resistor meritek CRH series construction unit: mm type size (inch) l (mm) w (mm) t (mm) ? d1 (mm) d2 (mm) weight (g) (1000pcs) CRH0402 0402 1.000.05 0.500.05 0.350.05 0.200.10 0.200.10 0.620 CRH0603 0603 1.600.10 0.800.10 0.450.10 0.300.20 0.300.20 2.042 CRH0805 0805 2.000.10 1.250.10 0.500.10 0.350.20 0.400.20 4.368 CRH1206 1206 3.100.10 1.550.10 0.550.10 0.500.25 0.500.20 8.947 CRH1210 1210 3.100.10 2.600.15 0.550.10 0.500.25 0.500.20 15.959 CRH2010 2010 5.000.10 2.500.15 0.550.10 0.600.25 0.500.20 24.241 CRH2512 2512 6.350.10 3.100.15 0.550.10 0.600.25 0.500.20 39.448 ? ? soldering condition ? ? ? ? ? ? ? ? ? ? ? ? ? ? ir reflow soldering wave soldering (flow soldering) (1)time of ir reflow soldering at maximum temperature point 260 ? c 10s (2)time of wave soldering at maximum temperature point 260 ? c 10s (3)time of soldering iron at maximum temperature point 410 ? c 5s ? ? ? alumina substrate ? edge electrode (nicr) ? resistor layer (ruo 2 /ag) ? bottom electrode (ag) ? barrier layer (ni) ? primary overcoat (glass) ? top electrode (ag-pd) ? external electrode (sn) ? secondary overcoat (epoxy) l t d1 d2 w ? ? ? ? ? ? ? ? ? ? ? ? ? ?
? ? ? rev. 7a ? high power chip resistor meritek CRH series resistance range: >1 ? high power rating electrical specifications item type power rating at 70 ? c operating temp. range max. operating voltage max. overload voltage resistance range tcr (ppm/c) 1% 5% CRH0402 1/8w -55 ~ +155 ? c 50v 100v 1 ? - 9.76 ? 10 ? - 1m ? 200 100 CRH0603 1/4w 75v 100v CRH0805 1/3w 150v 300v CRH1206 1/3w 200v 400v CRH1210 1/2w 200v 400v CRH2010 1w 200v 400v CRH2512 2w 250v 500v operating voltage= (p*r) or max. operating voltage listed above, whichever is lower. overload voltage=2.5* (p*r) or max. overload voltage listed above, whichever is lower. ultra high power rating electrical specifications item type power rating at 70 ? c operating temp. range max. operating voltage max. overload voltage resistance range tcr (ppm/c) 1% 5% CRH0402 1/8w -55 ~ +155 ? c 50v 100v 1 ? - 9.76 ? 10 ? - 1m ? 200 100 CRH0603 1/4w 75v 100v CRH0805 1/3w 150v 300v CRH1206 1/2w 200v 400v CRH1210 3/4w 200v 400v CRH2010 1w 200v 400v CRH2512 2w 250v 500v operating voltage= (p*r) or max. operating voltage listed above, whichever is lower. overload voltage=2.5* (p*r) or max. overload voltage listed above, whichever is lower. ? ? resistance range: <1 ? high power rating electrical specifications item type power rating at 70 ? c operating temp. range resistance range (m ? ) tcr (ppm/ ? c) 1% 5% CRH0402 1/16w -55 ~ +155 ? c 50 - 91 100 - 976 ? 800 ? 500 CRH0603 1/10w -55 ~ +155 ? c 20 - 47 50 - 91 100 - 976 ? 1200 ? 800 ? 500 CRH0805 1/8w -55 ~ +155 ? c 10 - 18 20 - 47 50 - 91 100 - 976 ? 1500 ? 1200 ? 800 ? 500 CRH1206 1/4w -55 ~ +155 ? c CRH1210 1/3w -55 ~ +155 ? c 10 - 18 20 - 91 100 - 976 ? 1500 ? 800 ? 500 CRH2010 3/4w -55 ~ +155 ? c CRH2512 1w -55 ~ +155 ? c
? ? ? rev. 7a ? high power chip resistor meritek CRH series environmental characteristics item requirement test method ? 1% and below ? 5% jumper temperature coefficient of resistance (t.c.r.) as spec. jis-c-5201-1 4.8 iec-60115-1 4.8 -55 ? c~+125 ? c, 25 ? c is the reference temperature short time overload ? (1.0%+0.05 ? ) ? (2.0%+0.05 ? ) <50m ? jis-c-5201-1 4.13 iec-60115-1 4.13 rcwv*2.5 or max. overload voltage for 5 seconds, 2 seconds for high power series insulation resistance ? 10g jis-c-5201-1 4.6 iec-60115-1 4.6 max. overload voltage for 1 minute endurance ? (1.0%+0.10 ? ) ? (2.0%+0.10 ? ) <100m ? jis-c-5201-1 4.25 iec-60115-1 4.25.1 70 ? 2 ? c, max. working voltage for 1000 hrs with 1.5 hrs ?on? and 0.5 hrs ?off? damp heat with load ? (1.0%+0.10 ? ) ? (2.0%+0.10 ? ) <100m ? jis-c-5201-1 4.24 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 ? (1.0%+0.05 ? ) ? (1.5%+0.10 ? ) <50m ? jis-c-5201-1 4.23 iec-60115-1 2.23.2 at +125/+155 ? c for 1000 hrs bending strength ? (1.0%+0.05 ? ) ? (1.0%+0.05 ? ) <50m ? jis-c-5201-1 4.33 iec-60115-1 4.33 ? bending ? once ? for ? 5 ? seconds ?? 2010, 2512 sizes: 2mm other sizes: 3mm solderability 95% min. coverage jis-c-5201-1 4.17 iec-60115-1 4.17 245 ? 5 ? c for 3 seconds resistance to soldering heat ? (0.5%+0.05 ? ) ? (1.0%+0.05 ? ) <50m ? jis-c-5201-1 4.18 iec-60115-1 4.18 260 ? 5 ? c for 10 seconds voltage proof no breakdown or flashover jis-c-5201-1 4.7 iec-60115-1 4.7 1.42 times rcwv (rms) for 1 minute leaching individual leaching area Q 5% total leaching area Q 10% jis-c-5201-1 4.18 iec-60068-2-58 8.2.1 260 ? 5 ? c for 30 seconds rapid change of temperature ? (0.5%+0.05 ? ) ? (1.0%+0.05 ? ) <50m ? jis-c-5201-1 4.18 iec-60115-1 4.18 -55 ? c to +125/+155 ? c, 5 cycles ? storage temperature: 253c; humidity < 80%rh ? ? ? ? ? ?
? ? ? rev. 7a ? high power chip resistor meritek CRH series packaging ? ? ? ? ? ? ? ? ? packaging quantity & reel specifications ? ? ? paper tape specifications ? ? ? ? ? ? ? ? ? ? type a (mm) b (mm) w (mm) e (mm) f (mm) p 0 (mm) p 1 (mm) p 2 (mm) d 0 (mm) t (mm) CRH0402 0.650.10 1.150.10 8.00.20 1.750.10 3.500.05 4.000.10 2.000.05 2.000.05 1.50+0.1,-0 0.450.10 CRH0603 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 CRH0805 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 CRH1206 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 CRH1210 2.900.10 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 ? type packaging quantity tape width reel diameter a (mm) b (mm) c (mm) w (mm) t (mm) CRH0402 paper 10k 8mm 7 inch 178.51.5 60 +1/-0 13.00.2 9.00.5 12.50.5 20k 10 inch 2541.0 1000.5 13.00.2 9.50.5 13.50.5 40k 13 inch 3301.0 1000.5 13.00.2 9.50.5 13.50.5 CRH0603 CRH0805 CRH1206 CRH1210 paper 5k 8mm 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 20k 13 inch 3301.0 1000.5 13.00.2 9.50.5 13.50.5 CRH2010 CRH2512 embossed 4k 12mm 7 inch 178.51.5 60 +1/-0 13.00.5 13.00.5 15.50.5 8k 10 inch 2501.0 620.5 13.00.5 12.50.5 16.50.5 w e f d 0 p 1 p 2 p 0 direction of unreeling a b top tape bottom tape resistor paper tape t
? ? ? rev. 7a ? high power chip resistor meritek CRH series emboss plastic tape specifications ? ? ? ? ? ? ? ? ? ? ? type a (mm) b (mm) w (mm) e (mm) f (mm) p 0 (mm) p 1 (mm) p 2 (mm) d 0 (mm) t (mm) CRH2010 2.80.10 5.50.10 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 CRH2512 3.50.10 6.70.10 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 ? recommend land pattern ? ? ? ? ? ? ? ? ? ? ? type a (mm) b (mm) c (mm) CRH0402 0.50 0.45 0.60 CRH0603 0.90 0.60 0.90 CRH0805 1.20 0.70 1.30 CRH1206 2.00 0.90 1.60 CRH1210 2.00 0.90 2.80 CRH2010 3.80 0.90 2.80 CRH2512 3.80 1.60 3.50 w e f d 0 p 1 p 2 p 0 direction of unreeling a b top tape resistor emboss tape t d 1 1.4min. b ? a ? c ?
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