PL IA NT CO M *R oH S Features Applications Thick film technology Power supplies Power rating of 0.25, 0.5 or 1 watt at 70 C Stepper motor drives Strong pulse performance RoHS compliant* CRM0805/1206/2010 Chip Resistors Electrical Characteristics General Information Model CRM0805 Characteristic Power Rating @ 70 C Model CRM1206 Model CRM2010 0.5 W 1W 0.25 W Operating Temperature Range -55 C to +155 C Derated to Zero Load at +155 C Maximum Working Voltage 0.047 to 0.91 ohms 1.0 ohm to 1.0 megohm 477 mV 150 V Insulation Resistance 675 mV 200 V 954 mV 400 V Bourns(R) CRM Series are thick film chip resistors with high power ratings making them suitable for different applications in power supply circuits including current sensing, current limiting and high pulse resistance. Characteristic Data Resistance Range 0.047 - 0.91 ohm (E24 Values) 1.0 - 9.1 ohms (E24 Values) 10.0 ohms - 1 megohm (E24 + E96 Values) Resistance Tolerance 1 %, 5 % Temperature Coefficient 0.047 to 0.091 ohms 0.100 to 0.91 ohms 1.0 ohm to 1 megohm 10 ohms to 1 megohm R Max. Test >1000 megohms 150 PPM/C 100 PPM/C 200 PPM/C 100 PPM/C Load Life (1000 hours) Rated Voltage @ 70 C (1.5 hrs. on, 0.5 hrs. off) 1 % Tolerance 5 % Tolerance <1% <3% Short Term Overload (5 X Rated Power for 5 sec.) 1 % Tolerance 5 % Tolerance <1% <2% Thermal Shock (5 Cycles: -55 C/30 min.; +25 C/2-3 min.; +155 C/ 30 min.; +25 C/2-3 min.) 1 % Tolerance 5 % Tolerance For Standard Values Used in Capacitors, Inductors, and Resistors, click here. Product Dimensions < 0.5 % <1% L T MM (INCHES) D C Model L W C D T CRM0805 2.00 0.15 1.20 0.15 0.40 0.20 0.40 0.20 0.50 0.10 (0.079 0.006) (0.047 0.006) (0.016 0.008) (0.016 0.008) (0.020 0.04) CRM1206 3.10 0.15 1.60 0.15 0.50 0.25 0.50 0.25 0.55 0.10 (0.122 0.006) (0.063 0.006) (0.020 0.010) (0.020 0.010) (0.022 0.004) CRM2010 5.00 0.20 2.50 0.20 0.60 0.25 0.60 0.25 0.60 0.10 (0.197 0.008) (0.098 0.008) (0.024 0.010) (0.024 0.010) (0.024 0.004) Derating Curve Power Ratio (%) DIMENSIONS: W 100 -55 70 Ambient Temperature (C) Recommended Solder Pad Layout Model L A B L CRM0805 1.3 (0.051) 1.15 (0.045) 1.2 (0.047) CRM1206 1.8 (0.071) 1.3 (0.051) 2.1 (0.083) CRM2010 3.0 (0.118) 1.5 (0.059) 3.8 (0.149) B A Cu TRACE SENSING TRACE DIMENSIONS: *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. Customers should verify actual device performance in their specific applications. 155 MM (INCHES) CRM0805/1206/2010 Chip Resistors Soldering Profile 275 <1> Maximum of 20 seconds between 260 C peak +255 C and +260 C <1> 255 C 225 Temperature (C) 220 C 190 C 90 - 150 seconds 175 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 Pulse Voltage Curve 10000 VOLTS (V) 1000 100 CRM2010 CRM1206 CRM0805 10 1 10 100 1000 10000 100000 RESISTANCE (OHMS) Test Method: 1.2/50 s Waveform with 12 Ohm Resistor, 5 Pulses at 12 Second Intervals Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CRM0805/1206/2010 Chip Resistors How to Order CRM 2010 - F X - R100 E LF Model (CRM = Precision Chip Resistor) Size 0805 = 0805 Size 1206 = 1206 Size 2010 = 2010 Size Resistance Tolerance * F = 1 % * J = 5 % TCR (PPM/C) * W = 200 PPM/C * Z = 150 PPM/C * X = 100 PPM/C Resistance Value R <1 ohm (1 % or 5 % Tolerance: "R" (decimal point) followed by three significant digits (example: R100 = 0.100 ohm 1% Tolerance: <100 ohms ....... "R" represents decimal point (example: 24R3 = 24.3 ohms) 100 ohms....... First three digits are significant, fourth digit represents number of zeros to follow (example: 8252 = 82.5K ohms) 5% Tolerance: <10 ohms ......... "R" represents decimal point (example: 4R7 = 4.7 ohms) 10 ohms......... First two digits are significant, third digit represents number of zeros to follow (example: 474 = 470K ohms) Packaging * E = 5000 pieces on 180 mm (7 inch) reel - CRM0805, CRM1206 4000 pieces on 180 mm (7 inch) reel - CRM2010 Termination * LF = Tin-plated (RoHS Compliant) Packaging Dimensions (Conforms to EIA RS-481A) 4.0 0.1 (.157 .004) 13.0 1.0 (0.512 0.039) DIA. 2.0 0.05 (.079 .002) B A 180 +0/-3 (7.09 +0/-0.118) DIA. F 60.0 (2.362) MIN. DIA. W P0 1.5 +0.1/-0 (.056 + .004/-0) 1.75 0.1 (.059 .004) 15.4 2.0 (0.606 0.079) Maximum 1 mm (.040) thick * Cumulative over 10 holes: 0.2 mm DIMENSIONS: Model 13.0 1.0 (0.512 0.039) MM (INCHES) A B CRM0805 2.40 0.20 (0.094 0.008) 1.65 0.20 (0.065 0.008) 3.50 0.05 8.00 0.30 (0.138 0.002) (0.315 0.012) CRM1206 3.57 0.20 (0.141 0.008) 2.00 0.20 (0.079 0.008) 3.50 0.05 8.00 0.30 (0.138 0.002) (0.315 0.012) CRM2010 5.50 0.20 (0.217 0.008) 2.80 0.20 (0.110 0.008) 5.50 0.05 12.00 0.30 (0.217 0.002) (0.472 0.012) REV. 02/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. F W