T PL IA N M CO *R oH S Features Applications Thick film technology Current sensing Power rating of 2 watts at 70 C Power supplies Low resistance value available Stepper motor drives RoHS compliant* Snubber resistor for flyback power supplies CRM2512 - High Power Current Sense Chip Resistors Electrical Characteristics Characteristic Power Rating @ 70 C Operating Temp. Range Derated to Zero Load at Maximum Working Voltage Maximum Overload Voltage Insulation Resistance Resistance Range General Information Model CRM2512 (0.047 to 0.91 ) (0 ,1 to 1 M ) 2W -55 C to +155 C +155 C 1349 mV 300 V 2698 mV 600 V > 1000 M 1 - 1 M 0 , 0.047 - 0.91 1.0 - 1 M (E96 + E24 (E24 Values) Resistance Tolerance Temperature Coefficient Zero Ohm Jumper <0.02 Max. Rated Current 1 % & 5 % 100 PPM/C (E24 Values) Values) 5 % 200 PPM/C 1 % 100 PPM/C 6A Notes: (1) CRM2512 2 W loading with total solder pad and trace size of 300 mm2. (2) E = (PxR)1/2 E: Working Voltage (V); P: Rated Power (W); R: Resistance Value () (3) Jumper (0 ): Rated current 6 A maximum with 300 mm2 pad. Temperature coefficient is not applicable. The Bourns(R) CRM2512 Series is a thick film power resistor with a rating of 2 watts in a standard 2512 chip format. This product has a very wide resistance range making it suitable for different applications in power supply circuits including current sensing and current limiting. Characteristic Data R Max. Test Load Life (1000 hours) 1 % Tolerance 5 % Tolerance <1% <3% Short Term Overload 1 % Tolerance 5 % Tolerance <1% <2% Thermal Shock 1 % Tolerance 5 % Tolerance < 0.5 % <1% For Standard Values Used in Capacitors, Inductors, and Resistors, click here. Product Dimensions Soldering Profile 6.3 0.20 (0.248 0.008) 250 Peak 260 +5/-0 C 230 C or higher 3.1 0.20 (0.122 0.008) Temperature (C) TOP SIDE 200 180 C 150 Pre-heating Zone 0.6 0.20 (0.024 0.008) 150 C 0.6 0.20 (0.024 0.008) 90 30 seconds 100 30 10 seconds Soldering Zone 50 Heating Time 1.8 0.20 (0.070 0.008) Recommended Solder Pad Layout 2.45 (.096) Power Ratio (%) Derating Curve 100 3.7 (.146) 7.6 (.299) -55 70 155 Ambient Temperature (C) 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. Users should verify actual device performance in their specific applications. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. MM (INCHES) CRM2512 - High Power Current Sense Chip Resistors Pulse Load Characteristics PEAK POWER (WATTS) 1000 100 10 1 0.1 0.0001 0.001 0.01 0.1 1 PULSE DURATION (SEC.) How to Order CRM 2512 - F X - R100 E LF Model (CRM = Precision Chip Resistor) Size 2512 = 2512 Size Resistance Tolerance * F = 1 %.................Use with "X" TCR code * J = 5 % .................Use with "W" TCR code for values from 1 ohm through 1 megohm Use with "X" TCR code for values from 0.047 ohm through 0.91 ohm Use with "/" TCR code for 0 ohm (Jumper) TCR (PPM/C - See Electrical Characteristics chart) * W = 200 PPM/C * X = 100 PPM/C * / = Jumper Resistance Value * 1 % or 5 % Tolerance: R <1 ohm.............."R" represents 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) 0 ohm Jumper ......"000" Packaging * E = 4000 pieces per 180 mm (7 inch) reel Termination * LF = Tin-plated (RoHS Compliant) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. CRM2512 - High Power Current Sense Chip Resistors Packaging Dimensions (Conforms to EIA RS-481A) PAPER 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. 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) USER DIRECTION OF FEED DIMENSIONS: MM (INCHES) 60.0 (2.362) MIN. DIA. 6.9 0.2 (0.272 0.008) 4.0 0.05 (0.157 0.002) 15.4 2.0 (0.606 0.079) 13.0 1.0 (0.512 0.039) REV. 05/15 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: CRM2512JVR300ELJ CRM2512JVR910ELJ CRM2512JVR500ELJ CRM2512JVR095ELJ CRM2512JVR100ELJ CRM2512JVR200ELJ CRM2512FXR820ELF CRM2512JXR820ELF CRM2512JXR510ELF CRM2512FXR510ELF CRM2512FXR750ELF CRM2512-FX-R300ELF CRM2512-FX-R910ELF CRM2512-JX-R100ELF CRM2512-JXR200ELF CRM2512-JX-R300ELF CRM2512-JX-R910ELF CRM2512-JZ-R050ELJ CRM2512-JZ-R060ELJ CRM2512-JZ-R075ELF CRM2512-JZ-R090ELJ CRM2512-FX-R100ELF CRM2512-FX-R200ELF CRM2512-JW104ELF CRM2512-JW-201ELF CRM2512-FX-1000ELF CRM2512-FX-1001ELF CRM2512-FX-1002ELF CRM2512FX-10R0ELF CRM2512-FX-2201ELF CRM2512-JW-100ELF CRM2512-JW-101ELF CRM2512-JW-102ELF CRM2512-JW-103ELF CRM2512-JW-1R0ELF CRM2512-JW-220ELF CRM2512-JW-222ELF CRM2512-JW-470ELF CRM2512-JX-R750ELF CRM2512-FX-4701ELF CRM2512-JX-R470ELF CRM2512-JW-562ELF CRM2512-FX1103ELF CRM2512-JW-1R3ELF CRM2512-FX-7502ELF CRM2512-JW-302ELF CRM2512-FX-4422ELF CRM2512JW-120ELF CRM2512-FX-3092ELF CRM2512-JW-5R6ELF CRM2512-JW-303ELF CRM2512-FX-4022ELF CRM2512-JW-2R7ELF CRM2512-FX-4320ELF CRM2512-FX-1102ELF CRM2512-FX-3302ELF CRM2512-FX43R0ELF CRM2512-JW-3R6ELF CRM2512-FX-2R00ELF CRM2512-JW-6R2ELF CRM2512-JW-153ELF CRM2512JW-200ELF CRM2512-FX-12R1ELF CRM2512-FX-5102ELF CRM2512-FX-2492ELF CRM2512-FX-20R0ELF CRM2512-JW-2R0ELF CRM2512-JW-151ELF CRM2512-JW-160ELF CRM2512-FX-15R0ELF CRM2512-FX2000ELF CRM2512-FX-2490ELF CRM2512-JW-3R0ELF CRM2512-FX-R240ELF CRM2512-JW-1R5ELF CRM2512JW-433ELF CRM2512-JW-1R8ELF CRM2512-FX-3482ELF CRM2512-JW-152ELF CRM2512-FX-1302ELF CRM2512-FX-4992ELF CRM2512-FX-3572ELF CRM2512-JW-7R5ELF CRM2512-JW-8R2ELF CRM2512-FX5100ELF CRM2512-FX-4532ELF CRM2512-JW-182ELF CRM2512-JW-9R1ELF CRM2512-JW-3R3ELF CRM2512JW-1R2ELF CRM2512-FX-1502ELF CRM2512-FX-3002ELF CRM2512-FX-4R30ELF CRM2512-JW-224ELF CRM2512-JW-130ELF CRM2512-FX-3R90ELF CRM2512-FX-2552ELF CRM2512-FX-2673ELF CRM2512-FX5R10ELF CRM2512-FX-3320ELF