Features Applications n Four terminal design n Current sense n Low inductance <5 nH n Precision circuits n Low thermal EMF <3 V/C n Medical equipment*** n Metal alloy strip n Printers n RoHS compliant* and halogen free** n Automation equipment n AEC-Q200 compliant n Navigation equipment Model CST0612 Current Sense Resistor Electrical Characteristics Additional Information Click these links for more information: Characteristic Model CST0612 (NOTE 1) Power Rating 70 C 1 W Resistance Range 0.5 - 5 milliohms Operating Temperature Range -55 C to +170 C PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT LIBRARY 100 PPM/C Temperature Coefficient of Resistance 200 PPM/C Resistance Tolerance 1 % Popular Resistance Table Insulation Resistance > 100 megohms Resistance Resistance Value Derated to Zero Load at +170 C Code (Milliohms) Maximum Working Voltage (V) (P*R) 1/2 0.50 R0005 2 0.75 R00075 (Note 1) 1 watt with total solder pad and trace size of 300 mm . 1.00 R001 1.50 R0015 Environmental Characteristics 2.00 R002 3.00 R003 Specification Model CST0612 5.00 R005 Shelf Life Two years from manufacturing date Storage Conditions: Temperature +5 C ~ +35 C Rated Voltage Humidity 40 % ~ 75 % The rated voltage is calculated by the Recommended Solder Sn96.5 / Ag3 / Cu0.5 following formula: , Material: Strip Alloy V= P X R V: Rated Voltage (V) Overcoating Molding P: Rated Power (W) Compound UL 94V0 Grade R: Resistance Value (W) Soldering Profile Iron Solder: 350 10 C Peak: 260 C 10 1 second 250 3 +1/-0 seconds 230 C or higher 200 PREHEATING ZONE 180 C 150 150 C * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 90 30 seconds ** Bourns considers a product to be halogen free if 100 (a) the Bromine (Br) content is 900 ppm or less 30 10 seconds (b) the Chlorine (Cl) content is 900 ppm or less SOLDERING ZONE and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. 50 *** Bourns products have not been specifically designed and tested for FDA Class III applications and equivalent applications covered by other regulatoryauthority such as the European Counsel, Heating Time and their use in such applications is neither recommended nor supported. 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 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/ docs/legal/disclaimer.pdf. Temperature (C) Model CST0612 Current Sense Resistor 3312 - 2 mm SMD Trimming Potentiometer Reliability Tests Test Item Reference Standard Test Conditions Test Limits IEC 60115-1-4.8 Temperature Coefficient of Resistance +25 C ~ +125 C Refer 4.0 JIS-C5201-4.8 IEC 60115-1-4.25.1 1000 hours at rated power, 70 C, Load Life < 2 % JIS-C5201-4.25.1 1.5 hours ON, 0.5 hours OFF IEC 60115-1-4.13 5 times rated power Short Time Overload < 0.5 % JIS-C5201-4.13 for 10 seconds IEC60115-1-4.24.2.1a Moisture No Load 85 C, 85 %RH, 1000 hours < 0.5 % JIS-C5201-4.24.2.1a IEC60115-1-4.19 -55 C and +155 C, 300 cycles, Temperature Cycle < 0.5 % JIS-C5201-4.19 15 minutes per extreme condition IEC60115-1-4.18 260 5 C for 10 1 seconds, Resistance to Soldering Heat < 0.5 % JIS-C5201-4.18 2 cycles At least 95 % of surface area of IEC60115-1-4.17 Solderability 245 5 C, 2 0.5 seconds electrode shall be covered with JIS-C5201-4.17 new solder IEC60115-1-4.23.2 High Temperature Exposure 170 C, 1000 hours < 2 % JIS-C5201-4.23.2 IEC60115-1-4.23.4 Low Temperature Storage -55 C, 1000 hours < 0.5 % JIS-C5201-4.23.4 IEC60115-1-4.33 Substrate Bending 2 mm bending width < 0.5 % JIS-C5201-4.33 IEC60115-1-4.6 Insulation Resistance 100 V DC for 1 minute > 100 megohms JIS-C5201-4.6 Product Dimensions How to Order 3.05 0.25 3.05 0.25 CST 0612 - F C - R001 E (.120 .010) (.120 .010) Model 0.40 0.25 0.40 0.25 (CST = Current Sense Terminal Type) (.016 .010) 1.65 0.20 (.016 .010) 1.65 0.20 (.065 .008) Size (.065 .008) 0612 Resistance Tolerance F = 1 % 0.65 0.20 0.51 0.13 0.51 0.13 0.65 0.20 0.51 0.13 0.51 0.13 TCR (See Electrical Characteristics chart) (.026 .008) (.020 .005) (.020 .005) (.026 .008) (.020 .005) (.020 .005) X = 100 PPM/C C = 200 PPM/C Resistance Code See Popular Resistance Table MM Packaging Code (NOTE 2) DIMENSIONS: (INCHES) E = Embossed Tape (4,000 pcs. per 7 reel) (NOTE 2) Part Number CST0612-FC-R0005-E requires a hyphen before the Packaging Code. Recommended Solder Pad Layout 0.7 1.0 0.7 1.0 (.028) (.039) (.028) (.039) 2.3 2.3 (.091) 0.40 (.091) 0.40 (.016) (.016) 0.80 0.80 (.031) Copper foil min. (.031) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. thickness of PCB: 3 oz. 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.