R100 Features Applications Thick lm technology Current sensing Power rating of 0.25, 0.5 or 1 watt at 70 C Power supplies Low resistance value available Stepper motor drives RoHS compliant* Snubber resistor for yback power supplies CRM0805/1206/2010 High Power Current Sense Chip Resistors Electrical Characteristics Additional Information Click these links for more information: Model Model Model Characteristic CRM0805 CRM1206 CRM2010 Power Rating 70 C 0.25 W 0.5 W 1 W Operating Temperature Range -55 C to +155 C PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT Derated to Zero Load at +155 C SELECTOR LIBRARY Maximum Working Voltage General Information 47 mohms to 910 mohms 551 mV 675 mV 954 mV 1 ohm to 1 megohm 150 V 200 V 200 V Bourns CRM Series are thick film chip Insulation Resistance >1000 megohms resistors with high power ratings making Resistance Range 47 mohms to 910 mohms (1 % and 5 %, E24 Series) them suitable for different applications in 1 ohm to 1 megohm (1 %, E96 & E24 Series) power supply circuits including current 0 ohm, 1 ohm to 1 megohm (5 %, E24 Series) sensing and current limiting. Resistance Tolerance 1 %, 5 % Temperature Coefficient Characteristic Data 47 mohms to 91 mohms (1 % and 5 %, E24 Series) 100 ppm 100 ppm 100 ppm Test R Max. 100 mohms to 910 mohms Load Life (1000 hours) (1 % and 5 %, E24 Series) 100 ppm 100 ppm 100 ppm Rated Voltage 70 C 1 ohm to 9.76 ohms (1.5 hrs. on, 0.5 hrs. off) (1 %, E96 & E24 Series) 150 ppm/ 100 ppm/ 100 ppm/ 1 % Tolerance < 1 % 200 ppm 200 ppm 200 ppm 5 % Tolerance < 3 % 10 ohms to 1 megohm Short Term Overload (1 %, E96 & E24 Series) 100 ppm 100 ppm 100 ppm (5 X Rated Power for 5 sec.) 1 ohm to 1 megohm 1 % Tolerance < 1 % (5 %, E24 Series) 200 ppm 200 ppm 200 ppm 5 % Tolerance < 2 % (1) Zero Ohm Jumper <0.02 ohm Thermal Shock Maximum Rated Current 4 A 4 A 6 A (5 Cycles: -55 C/30 min. Exceptions: +25 C/2-3 min. +155 C/ (1) Jumper (0 ohms): Temperature coefficient is not applicable. 30 min. +25 C/2-3 min.) 1 % Tolerance < 0.5 % 5 % Tolerance < 1 % Pulse Load Characteristics For Standard Values Used in Capacitors, 1000 Inductors and Resistors, click here. 100 10 CRM2010 CRM1206 1 CRM0805 0.1 0.0001 0.001 0.01 0.1 1 PULSE DURATION (SEC.) WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov *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. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. PEAK POWER (WATTS) CRM0805/1206/2010 High Power Current Sense Chip Resistors Product Dimensions L Model L W C D T 2.00 0.15 1.20 0.15 0.40 0.20 0.40 0.20 0.50 0.10 CRM0805 (0.079 0.006) (0.047 0.006) (0.016 0.008) (0.016 0.008) (0.020 0.04) W 3.10 0.15 1.60 0.15 0.50 0.25 0.50 0.25 0.55 0.10 CRM1206 (0.122 0.006) (0.063 0.006) (0.020 0.010) (0.020 0.010) (0.022 0.004) C T 5.00 0.20 2.50 0.20 0.60 0.25 0.60 0.25 0.60 0.10 CRM2010 (0.197 0.008) (0.098 0.008) (0.024 0.010) (0.024 0.010) (0.024 0.004) D Recommended Solder Pad Layout L B Model A B L 1.3 1.15 1.2 CRM0805 (0.051) (0.045) (0.047) A 1.8 1.3 2.1 CRM1206 (0.071) (0.051) (0.083) 3.0 1.5 3.8 CRM2010 Cu TRACE (0.118) (0.059) (0.149) SENSING TRACE MM DIMENSIONS: (INCHES) Soldering Profile Derating Curve 275 <1> Maximum of 20 seconds between 260 C peak +255 C and +260 C <1> 255 C 225 100 220 C 190 C 90 - 150 seconds 175 150 C Ramp Down 6 C/second 125 60 - 120 seconds 10 seconds minimum 75 -55 70 155 Ramp Up 3 C/second maximum Ambient Temperature (C) 25 0 50 100 150 200 250 300 Time (seconds) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Temperature (C) Power Ratio (%)