? ? ? rev. 7 ? current sensing chip resistor meritek csr series ? feature and applications ? low tcr of 100 ppm/c ? resistance values from 1m to 1 ohm ? 3 watts power rating in 1 watt size, 1225 package ? high purity alumina substrate for high power dissipation ? ? long side terminations with higher power rating ? power management applications ? switching power supply ? over current protection in audio applications ? voltage regulation module (vrm) ? dc-dc converter, battery pack, charger, adaptor ? automotive engine control ? disk driver ? ? p art n umbering s ystem csr 0603 g u 1001 c current sensing chip resistors size 0201 0402 0603 0805 1206 1210 2010 2512 1225 3720 7520 tcr (ppm/c) e f g h j k r 100 200 300 400 600 150 1000 power rating s a t q u v w 2w 1.5w 1w 3/4w 1/2w 1/4w 1/8w resistance value r010 r100 1r00 0.01 ? 0.1 ? 1 ? resistance tolerance code f g j value 1% 2% 5% ? ? derating curve ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 20 40 60 80 100 0 20 40 60 80 100 120 140 160 180 ambient temperature( ) power ratio(%)
? ? ? rev. 7 ? current sensing chip resistor meritek csr series ? construction unit: mm type size (inch) l w t d1 d2 weight (g) (1000pcs) csr0201 0201 0.600.03 0.300.03 0.230.05 0.120.05 0.150.05 0.18 csr0402 0402 1.000.05 0.500.05 0.320.10 0.250.10 0.200.10 0.7 csr0603 0603 1.600.10 0.800.10 0.450.10 0.300.20 0.300.20 1.99 csr0805 0805 2.000.10 1.250.10 0.550.10 0.300.20 0.400.25 5.3 csr1206 1206 3.100.10 1.550.10 0.550.10 0.500.30 0.400.25 8.82 csr1210 1210 3.100.10 2.600.15 0.550.10 0.500.30 0.500.25 15.5 csr2010 2010 5.000.10 2.500.15 0.600.15 0.600.30 0.500.25 27.03 csr2512 2512 6.350.10 3.100.15 0.600.10 0.600.30 0.550.25 43.08 csr2512 (2w) 2512 (10 - 99m ? ) 6.350.20 3.150.15 0.740.10 ? 0.600.30 ? 0.550.25 ? 53.08 csr2512 (2w) 2512 (100 - 1000m ? ) 6.350.20 3.150.15 0.740.10 ? 0.600.30 ? 2.100.10 ? 53.08 csr1225 1225 3.100.15 6.300.15 0.900.15 0.600.30 0.550.25 64.88 csr3720 3720 2.000.20 3.750.20 0.600.10 0.400.20 0.400.20 19.96 csr7520 7520 2.000.20 7.500.30 0.600.10 0.400.20 0.400.20 35.71 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? alumina substrate ? edge electrode (nicr) ? resistor layer (ag/pd) ? bottom electrode (ag) ? barrier layer (ni) ? primary overcoat (glass) ? top electrode (ag-pd) ? external electrode (sn) ? secondary overcoat (epoxy) d2 l t d1 ? w ? ? ? ? ? ? ? ? ?
? ? ? rev. 7 ? current sensing chip resistor meritek csr series standard electrical specifications item type power rating at 70c operating temp. range resistance range (m ? ) tcr (ppm/c ) 1% 2% 5% csr0201 1/20w -55 ~ +155 ? c 100 - 149 150 - 500 501 - 1000 1000 600 300 csr0402 1/16w 50 - 100 101 - 500 501 - 1000 400 300 200 csr0603 1/10w 20 - 50 51 - 100 101 - 500 501 - 1000 600 400 300 200 csr0805 1/8w 20 - 50 51 - 100 101 - 500 501 - 1000 600 400 300 200 csr1206 1/4w 10 - 20 21 - 50 51 - 99 100 - 1000 600 400 300 200 csr1210 1/2w csr2010 3/4w csr2512 1w csr1225 3w 3 - 5 6 - 20 21 - 30 31 - 250 251 - 8000 300 200 150 100 200 csr3720 1w 10 - 19 20 - 500 300 150 csr7520 2w 1 - 4 300 5 - 10 11 - 350 200 150 ? high power rating electrical specifications ? ? item type power rating at 70c operating temp. range resistance range (m ? ) tcr (ppm/c ) 1% 2% 5% csr0402 1/8w -55 ~ +155 ? c 51 - 100 101 - 500 501 - 1000 400 300 200 csr0603 1/8w csr0805 1/4w csr1206 1/2w 10 - 20 21 - 50 51 - 99 100 - 1000 600 400 300 200 csr1210 3/4w csr2010 1w csr2512 1.5w csr2512 2w ? ? ? ? ? ? ? ? ? ? ?
? ? ? rev. 7 ? current sensing chip resistor meritek csr series low tcr electrical specifications ??? ? item type power rating at 70c operating temp. range resistance range (m ? ) tcr (ppm/c ) 1% 2% 5% csr0805 1/8w -55 ~ +155 ? c 100 - 1000 100 csr1206 1/4w 100 - 1000 100 csr1210 1/2w 75 - 1000 100 csr2010 3/4w 50 - 1000 100 csr2512 1w 20 - 1000 100 csr2512 2w 50 - 1000 100 csr3720 1w 100 - 500 100 csr7520 2w 50 - 350 100 operating voltage= (p*r) ; overload voltage=2.5* (p*r) ; operating current= (p/r) ? 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 ? ? ? ? ? ? ? ? ? ? ? ?
? ? ? rev. 7 ? current sensing chip resistor meritek csr series environmental characteristics ? item requirement test method 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 ? (0.5%+0.05 ? ) jis c 5201-1 4.13 iec 60115-1 4.13 rcwv*2.5 or max. overload voltage for 5 seconds ? (1.0%+0.05 ? ) for high power rating insulation resistance R 10g jis c 5201-1 4.6 iec 60115-1 4.6 max. overload voltage for 1 minute endurance ? (1.0%+0.05 ? ) 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 ? (0.5%+0.05 ? ) 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 ? (0.5%+0.05 ? ) jis c 5201-1 4.23.2 iec 60115-1 2.23.2 at +155 ? c for 1000 hrs bending strength as spec. jis ? c ? 5201 \ 1 ? 4.33 ? iec 60115-1 4.33 bending once for 5 seconds with 3mm 2010, 2512 sizes: 2 mm 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 ? ) 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 ? ) jis c 5201-1 4.19 iec 60115-1 4.19 -55 ? c to +155 ? c, 5 cycles storage temperature: 253c; humidity < 80%rh ? ? ? ? ? ?
? ? ? rev. 7 ? current sensing chip resistor meritek csr series packaging ? ? ? ? ? ? ? ? ? packaging quantity & reel specifications u nit :mm ? paper tape specifications ? ? ? ? ? ? ? ? ? unit: mm ? type a b c w t paper tape ( ea) emboss plastic tape (e a) csr0201 178.01.0 60.0+1.0 13.50.7 9.50.1 11.51.0 10,000 csr0402 178.01.0 60.0+1.0 13.50.7 9.50.1 11.51.0 10,000 - csr0603 178.01.0 60.0+1.0 13.50.7 9.50.1 11.51.0 5,000 - csr0805 178.01.0 60.0+1.0 13.50.7 9.50.1 11.51.0 5,000 - csr1206 178.01.0 60.0+1.0 13.50.7 9.50.1 11.51.0 5,000 - csr1210 178.01.0 60.0+1.0 13.50.7 9.50.1 11.51.0 5,000 csr2010 178.01.0 60.0+1.0 13.50.7 13.51.0 15.51.0 - 4,000 csr2512 178.01.0 60.0+1.0 13.50.7 13.51.0 15.51.0 - 4,000 csr2512 (2w) 178.01.0 60.0+1.0 13.50.7 13.51.0 15.51.0 - 2,000 csr1225 178.01.0 60.0+1.0 13.50.7 13.51.0 15.51.0 - 2,000 csr3720 178.01.0 60.0+1.0 13.50.7 13.51.0 15.51.0 - 2,000 csr7520 178.01.0 60.0+1.0 13.50.7 17.51.0 19.51.0 - 2,000 type a b w e f p0 p1 p2 d 0 t csr0201 0.380.05 0.680.05 8.00.20 1.750.10 3.500.05 4.000.10 2.000.05 2.000.05 1.50+0.1,-0 0.420.20 csr0402 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 csr0603 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 csr0805 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 csr1206 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 csr1210 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 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. 7 ? current sensing chip resistor meritek csr series ? emboss plastic tape specifications ? ? ? ? ? ? ? ? ? ? ? marking for 0603 ? type code 1r0 1.000 ? r10 0.100 ? r01 0.010 ? 101 0.101 ? 035 0.035 ? ? recommend land pattern pad layout (except for csr2512: high power rating series) unit mm ? ? ? ? ? ? ? ? ? ? ? pad layout (for csr2512: high power rating series) unit mm ? ? ? ? ? type a b w e f p 0 p 1 p 2 d 0 t csr2010 2.800.10 5.500.10 12.00.30 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 csr2512 3.500.10 6.700.10 12.00.30 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 csr2512 (2w) 3.380.10 6.680.10 12.00.30 1.750.10 5.50.10 4.000.10 4.000.10 2.000.05 1.55+0.05 1.450.20 csr1225 3.380.10 6.680.10 12.00.30 1.750.10 5.50.10 4.000.10 4.000.10 2.000.05 1.55+0.05 1.450.20 csr3720 2.500.20 4.450.20 12.00.30 1.750.10 5.50.05 4.00 0.05 4.000.10 2.000.05 1.50+0.10 1.20 0.20 csr7520 2.500.20 8.300.20 16.00.30 1.750.10 7.80.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.20 0.20 type a b c csr0201 0.25 0.30 0.400.2 csr0402 0.50 0.50 0.600.2 csr0603 0.80 1.00 0.900.2 csr0805 1.00 1.00 1.350.2 csr1206 2.00 1.15 1.700.2 csr1210 2.00 1.15 2.500.2 csr2010 3.60 1.40 2.500.2 csr2512 4.90 1.60 3.100.2 csr1225 2.00 2.00 6.400.2 csr3720 1.00 1.80 3.900.2 csr7520 1.00 1.80 7.600.2 type resistance a b c csr2512 10~99 m ? 4.9 1.6 3.10.2 csr2512 100~1000m ? 1.0 3.55 3.10.2 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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