CRA2010

IA NT Features ■ ■ ■ Applications ■ ■ Special alloy resistor Power rating at 70 °C: CRA2010 - 1.5 W, CRA2512 - 3 W RoHS compliant* *R oH Power supplies Stepper motor drives S CO M PL CRA2010/CRA2512 - High Power Current Sense Chip Resistor Electrical Characteristics Characteristic Power Rating @ 70 °C Operating Temperature Range Derated to Zero Load at Maximum Working Voltage Insulation Resistance Resistance Range Resistance Tolerance Temperature Coefficient CRA2010 1.5 W -55 °C to +170 °C +170 °C (P x R)1/2 > 100 megohms 0.01 - 0.100 ohms ±1 %, ±5 % ±75 PPM/°C A Characteristic Data CRA2512 3W Test Load Life (1000 hours) Short Time Overload Thermal Shock ∆R Max. < ±1 % < ±0.5 % < ±0.5 % Recommended Solder Pad Layout L B Product Dimensions A C Cu TRACE SENSING TRACE Model B A 3.1 (0.122) 4.0 (0.157) B 2.7 (0.106) 2.1 (0.083) L 3.1 (0.122) 4.1 (0.161) CRA2010 C C C C CRA2512 DIMENSIONS: Model CRA2010 CRA2512 A 5.0 ± 0.20 (0.1962 ± 0.008) 6.40 ± 0.20 (0.252 ± 0.008) B 2.5 ± 0.20 (0.0984 ± 0.008) 3.20 ± 0.20 (0.126 ± 0.008) C 0.6 ± 0.20 (0.0236 ± 0.008) 0.90 ± 0.20 (0.035 ± 0.008) MM (INCHES) Construction Overcoat Ni / Sn Plating Soldering Profile Metal Alloy Plate 250 Peak 260 +5/-0 °C 230 °C or higher Pre-heating Zone Derating Curve Temperature (°C) 200 180 °C 150 100 150 °C Power Ratio (%) 100 90 ± 30 seconds 30 ± 10 seconds Soldering Zone 50 Heating Time -55 70 170 Ambient Temperature (°C) *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CRA2010/CRA2512 - High Power Current Sense Chip Resistor Packaging Dimensions (Conforms to EIA RS-481A) EMBOSSED TAPE TOP TAPE 1.5 +0.1/-0 DIA. (0.059 +0.004/-0) 1.5 (0.059) DIA. MIN. 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. 60.0 (2.362) MIN. DIA. 12.0 ± 0.2 (0.472 ± 0.008) RESISTOR 3.60 ± 0.20 (0.142 ± 0.008) 0.85 ± 0.15 (0.033 ± 0.006) 4.0 ± 0.1 (0.157 ± 0.004) 2.0 ± 0.05 (0.079 ± 0.002) 6.9 ± 0.2 (0.272 ± 0.008) 4.0 ± 0.05 (0.157 ± 0.002) USER DIRECTION OF FEED 15.4 ± 2.0 (0.606 ± 0.079) 13.0 ± 1.0 (0.512 ± 0.039) Resistance Value Table Code R010 R017 R020 R025 R030 R034 R040 R045 R050 R055 R Value 0.010 0.017 0.020 0.025 0.030 0.034 0.040 0.045 0.050 0.055 Code R060 R065 R070 R075 R080 R085 R090 R095 R100 R Value 0.060 0.065 0.070 0.075 0.080 0.085 0.090 0.095 0.100 How To Order CRA 2512 - G Z - R017 E LF 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) Reliable Electronic Solutions Asia-Pacific: TEL +886-2 25624117 • FAX +886-2 25624116 Europe: TEL +41-41 7685555 • FAX +41-41 7685510 The Americas: TEL +1-951 781-5500 • FAX +1-951 781-5700 www.bourns.com 05/07 COPYRIGHT©2007, BOURNS, INC. LITHO IN U.S.A. e 04/07 SR0707 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.