T PL IA N M CO *R oH S Features Applications ■ Resistance value as low as 0.001 ohm ■ Power supplies ■ High power density ■ Stepper motor drives ■ Inductance less than 5 nH ■ RoHS compliant* CRF Series - High Power Current Sense Chip Resistor Product Dimensions Electrical Characteristics CRF1206 CRF2512 1W (0.001 to 0.010 Ω) 2 W (0.015 to 0.050 Ω) 1 W Power Rating @ 70 °C Operating Temperature Range B -55 °C to +170 °C Derated to Zero Load at +170 °C Maximum Working Voltage (P x R)1/2 Insulation Resistance C C > 100 megohms Resistance Range 0.01 - 0.02 Ω 0.001 - 0.050 Ω ±1 % ±1 %, ±5 % Resistance Tolerance Temperature Coefficient 0.001 to 0.002 ohms 0.003 to 0.010 ohms 0.015 to 0.050 ohms ±275 PPM/°C ±100 PPM/°C ±75 PPM/°C 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) 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) ΔR ±(0.5 % + 0.0005 Ω) ΔR ±(0.5 % + 0.0005 Ω) B 1.65 ± 0.20 (0.064 ± 0.008) 3.20 ± 0.20 (0.126 ± 0.008) C 2.0 ± 0.20 (R ≤ 2m Ω) 0.5 ± 0.3 (0.079 ± 0.008 (R > 2m Ω)) (0.0197 ± 0.012) 0.9 ± 0.2 (R > 2m Ω) (0.035 ± 0.008 (R ≤ 2m Ω)) T 0.6 ± 0.20 (0.0236 ± 0.008) 0.6 ± 0.20 (0.0236 ± 0.008) DIMENSIONS: MM (INCHES) Construction Overcoat Ni / Sn Plating Metal Alloy Plate Derating Curve Resistance Range (Ω) SENSING TRACE A ΔR ±(0.5% + 0.0005 Ω) B Cu TRACE CRF2512 6.40 ± 0.20 (0.252 ± 0.008) ΔR ±(0.5 % + 0.0005 Ω) Recommended Solder Pad Layout A CRF1206 3.20 ± 0.20 (0.126 ± 0.008) ΔR ±(0.5% + 0.0005 Ω) ΔR ±(1.0% + 0.0005 Ω) C Dim. A B L 0.010.02 1.8 (0.07) 0.0010.002 4.0 3.1 1.3 (0.157) (0.122) (0.051) 0.0030.050 Model 1.9 1.4 CRF1206 (0.075) (0.055) 4.0 2.1 4.1 (0.157) (0.083) (0.161) Power Ratio (%) Test T C Performance Characteristics L A 100 -55 CRF2512 70 170 Ambient Temperature (°C) *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. CRF Series - High Power Current Sense Chip Resistor Packaging Dimensions (Conforms to EIA RS-481A) 13.0 ± 1.0 (0.512 ± 0.039) DIA. EMBOSSED TAPE TOP TAPE 1.5 (0.059) DIA. MIN. D0 DIA. E 180 +0/-3 (7.09 +0/-0.118) DIA. F 60.0 (2.362) MIN. DIA. W RESISTOR A P1 t P2 P0 B USER DIRECTION OF FEED DIMENSIONS: Packing Paper Tape Embossed Tape Model A B 13.0 ± 1.0 (0.512 ± 0.039) F E P1 P2 P0 D0 t CRF1206 2.0 ± 0.15 3.6 ± 0.2 8.0 ± 0.2 (0.079 ± 0.006) (0.142 ± 0.008) (0.315 ± 0.008) 3.5 ± 0.05 (0.138 ± 0.002) 1.75 ± 0.1 (0.069 ± 0.004) 4.0 ± 0.1 (0.157 ± 0.004) 2.0 ± 0.05 (0.079 ± 0.002) 4.0 ± 0.05 (0.157 ± 0.002) 1.5+0.1/-0 (0.059+0.004/-0) 0.85 ± 0.15 (0.033 ± 0.006) CRF2512 3.60 ± 0.20 6.9 ± 0.2 12.0 ± 0.2 (0.142 ± 0.008) (0.272 ± 0.008) (0.472 ± 0.008) 5.5 ± 0.05 (0.217 ± 0.002) 1.75 ± 0.1 (0.069 ± 0.004) 4.0 ± 0.1 (0.157 ± 0.004) 2.0 ± 0.05 (0.079 ± 0.002) 2.0 ± 0.05 (0.079 ± 0.002) 1.5+0.1/-0 (0.059+0.004/-0) 0.85 ± 0.15 (0.033 ± 0.006) Model CRF1206 Resistance Value Table W 15.4 ± 2.0 (0.606 ± 0.079) MM (INCHES) Soldering Profile 275 R Value R010 0.010 R020 0.020 Model CRF2512 Resistance Value Table Code R Value Code R Value R001 0.0010 R011 0.0110 R0015 0.0015 R012 0.0120 R002 0.0020 R015 0.0150 R003 0.0030 R018 0.0180 R004 0.0040 R020 0.020 R005 0.0050 R025 0.025 R006 0.0060 R030 0.030 R007 0.0070 R033 0.033 R008 0.0080 R040 0.040 R010 0.0100 R050 0.050 REV. 06/13 <1> Maximum of 20 seconds between 260 °C peak +255 °C and +260 °C <1> 255 °C 225 220 °C Temperature (°C) Code 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 CRF 2512 - F X - R010 E LF Model (CRF = Precision Chip Resistor) Size 1206 = 1206 Size 2512 = 2512 Size Resistance Tolerance • F = ±1 % (Available on models CRF1206 & CRF2512) • J = ±5 % (Available on model CRF2512) TCR (PPM/°C) • Z = ±75 PPM/°C, 0.015 ohm or greater • X = ±100 PPM/°C, 0.003 ohm through 0.010 ohm • V = ±275 PPM/°C, 0.001 ohm through 0.002 ohm Resistance Value “R” (decimal point) followed by three significant digits (example: R025 = 0.025 ohm) Packaging • E = 5,000 pieces (CRF1206) or 4,000 pieces (CRF2512) on 180 mm (7 inch) reel Termination • LF = Tin-plated (RoHS compliant) 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.