Model CRA2010 is currently available but not recommended for new designs. PL IA N T Features M ■ Special alloy resistor *R oH S CO ■ Power rating at 70 °C: CRA2010 - 1 W, CRA2512 - 3 W ■ Inductance less than 5 nH ■ RoHS compliant* CRA2010/CRA2512 - High Power Current Sense Chip Resistor Electrical Characteristics Recommended Solder Pad Layout Characteristic CRA2010 CRA2512 1W 3W Power Rating @ 70 °C Operating Temperature Range L B -55 °C to +170 °C Derated to Zero Load at +170 °C Maximum Working Voltage (P x R)1/2 Insulation Resistance A Cu TRACE > 100 megohms 0.005 - 0.020 Ω Resistance Range SENSING TRACE 0.010 - 0.100 Ω Resistance Tolerance ±1 %, ±5 % Model Temperature Coefficient ±75 PPM/°C CRA2010 3.1 (0.122) 2.7 3.1 (0.106) (0.122) CRA2512 4.0 (0.157) 2.1 4.1 (0.083) (0.161) Performance Characteristics Test Thermal Shock Short Time Overload Low Temperature Storage High Temperature Exposure Bias Humidity Mechanical Shock Vibration Load Life Resistance to Solder Heat Moisture Resistance Conditions -55 ˚C to + 150 ˚C, 1000 Cycles, 15 minutes 5 X Rated Power for 5 seconds Specification ΔR ±(0.5 % + 0.0005 Ω) -55 ˚C for 24 hours ΔR ±(0.5 % + 0.0005 Ω) A DIMENSIONS: ΔR ±(0.5 % + 0.0005 Ω) 1000 hours @ + 170 ˚C ΔR ±(1.0 % + 0.0005 Ω) + 85 ˚C, 85 % RH, 10 % Bias, 1000 hours 100 g’s for 6 milliseconds, 5 pulses Frequency varied 10 to 2000 KHz in one minute, 3 directions, 12 hours 1000 hours at rated power at +70 ˚C, 1.5 hours on, 0.5 hours off +260 ˚C Solder, 10-12 second dwell, 25 mm/second emergence MIL-STD-202 Method 106, 0 % power (7a and 7b not required) ΔR ±(0.5 % + 0.0005 Ω) B L MM (INCHES) Construction Overcoat Ni / Sn Plating ΔR ±(0.5 % + 0.0005 Ω) Metal Alloy Plate ΔR ±(0.5% + 0.0005 Ω) ΔR ±(1.0% + 0.0005 Ω) ΔR ±(0.5 % + 0.0005 Ω) ΔR ±(0.5% + 0.0005 Ω) Product Dimensions A T B C C C C A B C T Resistor Material CRA2010 5.0 ± 0.20 (0.1962 ± 0.008) 2.5 ± 0.20 (0.0984 ± 0.008) 0.65 ± 0.20 (0.0256 ± 0.008) 0.6 ± 0.20 (0.0236 ± 0.008) Resistor Cu-Ni or Cu-Mn CRA2512 6.45 ± 0.20 (0.254 ± 0.008) 3.35 ± 0.20 (0.131 ± 0.008) 0.95 ± 0.10 (0.037 ± 0.004) 0.7 ± 0.20 (0.0276 ± 0.008) Resistor Cu-Ni or Cu-Mn Model *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. DIMENSIONS: MM (INCHES) Applications ■ Power supplies ■ Stepper motor drives CRA2010/CRA2512 - High Power Current Sense Chip Resistor Packaging Dimensions (Conforms to EIA RS-481A) EMBOSSED TAPE 1.5 (0.059) DIA. MIN. 1.5 +0.1/-0 DIA. (0.059 +0.004/-0) TOP TAPE 1.75 ± 0.1 (0.069 ± 0.004) 5.5 ± 0.05 (0.217 ± 0.002) 13.0 ± 1.0 (0.512 ± 0.039) DIA. 180 +0/-3 (7.09 +0/-0.118) DIA. 12.0 ± 0.2 (0.472 ± 0.008) 6.9 ± 0.2 (0.272 ± 0.008) 4.0 ± 0.05 (0.157 ± 0.002) RESISTOR 3.60 ± 0.20 (0.142 ± 0.008) 4.0 ± 0.1 (0.157 ± 0.004) 1.2 ± 0.15 (0.047 ± 0.006) 60.0 (2.362) MIN. DIA. 2.0 ± 0.05 (0.079 ± 0.002) USER DIRECTION OF FEED DIMENSIONS: CRA2010 Resistance Values Available Code R Value Code R Value R005 0.005 R015 0.015 R010 0.010 R020 0.020 15.4 ± 2.0 (0.606 ± 0.079) MM (INCHES) 13.0 ± 1.0 (0.512 ± 0.039) Soldering Profile 275 <1> Maximum of 20 seconds between 260 °C peak +255 °C and +260 °C <1> 255 °C 225 CRA2512 Resistance Values Available Code R Value Code R Value R010 0.010 R050 0.050 R015 0.015 R060 0.060 R020 0.020 R070 0.070 R025 0.025 R075 0.075 R030 0.030 R080 0.080 R040 0.040 R100 0.100 Consult factory for other resistance values. Derating Curve Temperature (°C) 220 °C 190 °C 175 90 - 150 seconds Ramp Down 6 °C/second 150 °C 125 60 - 120 seconds 10 seconds minimum 75 Ramp Up 3 °C/second maximum 25 0 50 100 150 Time (seconds) 200 250 300 How to Order Power Ratio (%) CRA 2512 - F Z - R020 E LF 100 -55 70 170 Ambient Temperature (°C) Model (CRA = Precision Chip Resistor Size 2010 = 2010 Size 2512 = 2512 Size Resistance Tolerance • F = ±1 % • J = ±5 % TCR (PPM/°C) • Z = ±75 PPM/°C Resistance Value “R” (decimal point) followed by three significant digits (example: R025 = 0.025 ohm) Packaging • E = 4000 pieces on 180 mm (7 inch) reel Termination • LF = Tin-plated (RoHS compliant) REV. 12/13 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.