CSR Series Current Sensing Chip Resistor MERITEK CONSTRUCTION L D1 W 3 4 5 6 T 9 8 7 1 2 D2 1 Alumina Substrate 2 Bottom Electrode (Ag) 3 Top Electrode (Ag-Pd) 4 5 6 Edge Electrode (NiCr) Barrier Layer (Ni) External Electrode (Sn) 7 8 9 Resistor Layer (Ag/Pd) Overcoat (Epoxy) Marking FEATURES 3 Watts power rating in 1 Watt size, 1225 package Low TCR of 100 PPM/C Resistance values from 1m to 1 ohm High purity alumina substrate for high power dissipation Long side terminations with higher power rating APPLICATIONS 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 Portable Devices (PDA, Cell Phone) Specifications are subject to change without notice. rev.6a 1 CSR Series Current Sensing Chip Resistor MERITEK DIMENSIONS Type L W T D1 Unit: mm Weight (g) D2 (1000pcs) CSR0201 0.580.05 0.290.05 0.230.05 0.120.05 0.150.05 0.18 CSR0402 1.000.05 0.500.05 0.320.10 0.250.10 0.200.10 0.7 CSR0603 1.600.10 0.800.10 0.450.10 0.300.20 0.300.20 1.99 CSR0805 2.000.15 1.250.15 0.550.10 0.300.20 0.400.25 5.3 CSR1206 3.050.15 1.550.15 0.550.10 0.500.30 0.400.25 8.82 CSR1210 3.000.15 2.500.15 0.550.10 0.500.30 0.500.25 15.5 CSR2010 5.000.20 2.450.15 0.600.15 0.600.30 0.500.25 27.03 CSR2512 6.350.20 3.150.15 0.600.10 0.600.30 0.550.25 43.08 CSR2512 6.350.20 3.150.15 0.740.10 0.600.30 0.550.25 43.08 CSR2512 6.350.20 3.150.15 0.740.10 0.600.30 2.700.10 43.08 CSR1225 3.100.15 6.300.15 0.900.15 0.600.30 0.550.25 53.8 CSR3720 2.000.20 3.750.20 0.600.10 0.400.20 0.400.20 19.96 CSR7520 2.000.20 7.500.30 0.600.10 0.400.20 0.400.20 35.71 10 - 99m 100 - 1000m PART NUMBERING G U R100 F Dimensions TCR Resistance (PPM/C) Power Power Rating Rating Resistance (LxW) 0201 0402 0603 0805 1206 1210 2010 2512 1225 3720 7520 E: 100 F: 200 G: 300 H: 400 J: 600 K: 150 R: 1000 CSR 0603 Product Type Tolerance R010: 0.01 R100: 0.1 1R00: 1 : Standard A: 1.5W Q: 3/4W S: 2W T: 1W U: 1/2W V: 1/4W W: 1/8W F: 1% G: 2% J: 5% DERATING CURVE Power ratio(%) 100 80 60 40 20 0 0 20 40 60 80 100 120 Ambient Temperature() 2 140 160 180 CSR Series Current Sensing Chip Resistor MERITEK STANDARD ELECTRICAL SPECIFICATIONS Item Type Power Rating at 70C Resistance Range (m) Operating Temp. Range 1% CSR0201 1/20W CSR0402 1/16W CSR0603 1/10W CSR0805 1/8W CSR1206 CSR1210 CSR2010 CSR2512 1/4W 1/2W 3/4W 1W CSR1225 3W CSR3720 1W CSR7520 2W -55 ~ +155C 2% 100 - 149 150 - 500 501 - 1000 50 - 100 101 - 500 501 - 1000 20 - 50 51 - 100 101 - 500 501 - 1000 20 - 50 51 - 100 101 - 500 501 - 1000 10 - 20 21 - 50 51 - 500 501 - 1000 3-5 6 - 20 21 - 30 31 - 250 251 - 8000 10 - 19 20 - 500 TCR (PPM/C) 5% 1-4 5 - 10 11 - 350 1000 600 300 400 300 200 600 400 300 200 600 400 300 200 600 400 300 200 300 200 150 100 200 300 150 300 200 150 HIGH POWER RATING ELECTRICAL SPECIFICATIONS Item Power Rating at 70C Type CSR0603 1/8W CSR0805 1/4W CSR1206 1/2W CSR1210 3/4W CSR2010 1W CSR2512 1.5W CSR2512 2W Operating Temp. Range -55 ~ +155C Resistance Range (m) 1% 2% 5% 51 - 100 101 - 500 501 - 1000 10 - 20 21 - 50 51 - 500 501 - 1000 -55 ~ +155C TCR (PPM/C) 400 300 200 600 400 300 200 LOW TCR ELECTRICAL SPECIFICATIONS Item Power Rating at 70C Type CSR1206 CSR1210 CSR2010 CSR2512 CSR3720 1/4W 1/2W 3/4W 1W 1W CSR7520 2W Operating Temp. Range -55 ~ +155C Resistance Range (m) 1% 2% 5% 100 - 1000 100 - 1000 100 - 1000 20 - 1000 100 - 500 50 - 350 Operating Voltage=(P*R) ; Overload Voltage=2.5*(P*R) ; Operating Current=(P/R) 3 TCR (PPM/C) 100 100 100 100 100 100 Current Sensing Chip Resistor CSR Series MERITEK MARKING for 0603 Codes Type 1R0 1.000 R10 0.100 R01 0.010 101 0.101 035 0.035 ENVIRONMENTAL CHARACTERISTICS Item Requirement Temperature Coefficient of Resistance As Spec. (T.C.R.) Short Time Overload Test Method +25/-55/+25/+125/+25C 0.5% R1% for high power rating RCWV*2.5 or Max. overload voltage for 5 seconds Insulation Resistance >1000M Apply 100VDC for 1 minute Endurance 1% 702C, Max. working voltage for 1000 hrs with 1.5 hrs "ON" and 0.5 hrs "OFF" Damp Heat with Load 0.5% 402C, 90~95% R.H. Max. working voltage for 1000 hrs with 1.5 hrs "ON" and 0.5 hrs "OFF" Dry Heat 0.5% at +155C for 1000 hrs Bending Strength As Spec. Bending amplitude 3mm for 10 seconds Solderability 95% min. coverage 2455C for 3 seconds Resistance to Soldering Heat 0.5% 2605C for 10 seconds Dielectric Withstand Voltage By Type Apply Max. Overload Voltage for l minute Thermal Shock 0.5% -55C ~150C, 100 cycles Low Temperature Operation 0.5% 1 hour, -65C followed by 45 minutes of RCWV Reference Standards: MIL-STD-202, JIS-C 5201-1 Storage Temperature: 253C; Humidity < 80%RH 4 CSR Series Current Sensing Chip Resistor MERITEK PACKAGING Packaging Quantity & Reel Specifications Unit: mm Type A B C W T Paper Tape (EA) Embossed Plastic Tape (EA) CSR0201 178.0 1.0 60.0 + 1.0 13.5 0.7 9.5 0.1 11.5 1.0 10,000 - CSR0402 178.0 1.0 60.0 + 1.0 13.5 0.7 9.5 0.1 11.5 1.0 10,000 - CSR0603 178.0 1.0 60.0 + 1.0 13.5 0.7 9.5 0.1 11.5 1.0 5,000 - CSR0805 178.0 1.0 60.0 + 1.0 13.5 0.7 9.5 0.1 11.5 1.0 5,000 - CSR1206 178.0 1.0 60.0 + 1.0 13.5 0.7 9.5 0.1 11.5 1.0 5,000 - CSR1210 178.0 1.0 60.0 + 1.0 13.5 0.7 9.5 0.1 11.5 1.0 5,000 - CSR2010 178.0 1.0 60.0 + 1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 4,000 CSR2512 178.0 1.0 60.0 + 1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 4,000 CSR2512 (2W) 178.0 1.0 60.0 + 1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 2,000 CSR1225 178.0 1.0 60.0 + 1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 2,000 CSR3720 178.0 1.0 60.0 + 1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 2,000 CSR7520 178.0 1.0 60.0 + 1.0 13.5 0.7 17.5 1.0 19.5 1.0 - 2,000 Paper Tape Specifications Bottom Tape Top Tape D0 E A F B T P1 Resistor Paper Tape P2 P0 W Direction of unreeling Unit: mm Type A B W E F P0 P1 P2 D0 T CSR0201 0.400.05 0.700.05 8.000.10 1.750.05 3.50.05 CSR0402 0.700.05 1.160.05 8.000.10 1.750.05 3.50.05 4.000.10 2.000.05 2.000.05 1.550.05 0.400.03 CSR0603 1.100.05 1.900.05 8.000.10 1.750.05 3.50.05 4.000.10 4.000.10 2.000.05 1.550.05 0.600.03 CSR0805 1.600.05 2.370.05 8.000.10 1.750.05 3.50.05 4.000.10 4.000.10 2.000.05 1.550.05 0.750.05 CSR1206 2.000.05 3.550.05 8.000.10 1.750.05 3.50.05 4.000.10 4.000.10 2.000.05 1.550.05 0.750.05 CSR1210 2.750.05 3.400.05 8.000.10 1.750.05 3.50.05 4.000.10 4.000.05 2.000.05 1.550.05 0.750.05 5 4.000.10 2.000.05 2.000.05 1.550.03 0.420.02 CSR Series Current Sensing Chip Resistor MERITEK Embossed Plastic Tape Specifications Top Tape D0 E A F B T Embossed Tape P1 Resistor P2 P0 W D11.4Min. Direction of unreeling Unit: mm Type A B W E F P0 P1 P2 D0 T CSR2010 2.850.10 5.450.10 12.00.10 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 CSR2512 3.400.10 6.650.10 12.00.10 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 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 1.750.01 5.50.05 4.00 0.05 4.000.10 2.000.05 1.50+0.10 1.500.10 CSR7520 2.500.20 8.300.20 16.00.30 1.750.01 7.80.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.500.10 CSR2512 (2W) RECOMMEND LAND PATTERN Pad Layout (Except For CSR2512: High Power Rating Series) Unit: mm C B A Type A B C CSR0201 CSR0402 CSR0603 CSR0805 CSR1206 CSR1210 CSR2010 CSR2512 CSR1225 CSR3720 CSR7520 0.25 0.50 0.80 1.00 2.00 2.00 3.60 4.90 2.00 1.00 1.00 0.30 0.50 1.00 1.00 1.15 1.15 1.40 1.60 2.00 1.80 1.80 0.400.2 0.600.2 0.900.2 1.350.2 1.700.2 2.500.2 2.500.2 3.100.2 6.400.2 3.900.2 7.600.2 Pad Layout (For CSR2512: High Power Rating Series) Unit: mm Type CSR2512 CSR2512 6 Resistance Range 10 - 99m 100 - 1000m A B C 4.9 1.0 1.6 3.55 3.10.2 3.10.2