CFN1206-FX-R040ELF Bourns

Features Applications n Metal foil n Current sensing n High power density n Power supplies n Low inductance <5 nH n Stepper motor drives n Low thermal EMF <3 V/C n Input amplifiers n High reliability and stability n RoHS compliant* and halogen free** CFN Series Metal Foil, Current Sense Resistor Electrical Characteristics Additional Information Click these links for more information: Characteristic CFN0402 CFN0603 CFN0805 CFN1206 Power Rating 70 C (W) 0.25 0.5 0.75 1 Resistance Value (m) 10, 20 5, 10, 20 5, 10, 20, 30 5, 10, 20, 40 PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT LIBRARY Operating Temperature -55 ~ +125 -55 ~ +155 Range (C) Temperature Coefficient of Derating Curve 100 50, 100 Resistance (ppm/C) Tolerance (%) 1, 5 100 CFN0603, Environmental Characteristics CFN0805, CFN1206 Storage Conditions CFN0402 Temperature ....................................................................................... +5 C ~ +35 C -55+70 +125 +155 Humidity .................................................................................................40 % ~ 75 % Shelf Life .......................................................................2 years from manufacturing date Ambient Temperature (C) Solder Recommendations ..........................................................................Reflow profile (Solder: Sn96.5 / Ag3 / Cu0.5) Moisture Sensitivity Level ...............................................................................................1 Product Dimensions L L W C T 1.10 0.10 0.55 0.10 0.25 0.20 0.45 0.10 CFN0402 (.043 .004) (.021 .004) (.010 .004) (.017 .004) W 1.60 0.20 0.80 0.20 0.40 0.20 0.60 0.20 CFN0603 (.063 .008) (.031 .008) (.016 .008) (.023 .008) 2.00 0.20 1.25 0.20 0.40 0.20 0.70 0.20 CFN0805 (.079 .008) (.049 .008) (.016 .008) (.028 .008) 3.20 0.20 1.60 0.20 0.50 0.20 0.70 0.20 T CFN1206 CC (.126 .008) (.063 . 008) (.020 .008) (.028 .008) MM DIMENSIONS: (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900or less ppm (b) the Chlorine (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. 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. RoHS COMPLIANT* & HALOGEN FREE** *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT* Power Ratio (%)CFN Series Metal Foil, Current Sensing Chip Resistor Construction Recommended Solder Pad Dimensions SOLDER TOP PROTECTIVE L COATING COATING B A NICKEL ALUMINA SUBSTRATE UNDERLAY METAL FOIL BOTTOM PROTECTIVE COATING Cu Trace Typical Part Marking Sensing Trace CFN0402 & CFN0603: No marking. Model Resistance A L B 0.70 1.20 0.45 CFN0805 & CFN1206: CFN0402 10 R < 20 (.027) (.047) (.018) 1.00 2.80 0.60 CFN0603 10 R < 20 (.039) (.110) (.024) 1.40 3.20 1.20 CFN0805 10 R < 30 (.055) (.126) (.047) 1.60 20 R < 30 RESISTANCE CODE: (.063) 1.80 4.70 CFN1206 005 = 5 m (.071) (.185) 2.20 6.5 = 6.5 m R = 40 (.087) 010 = 10 m 020 = 20 m MM DIMENSIONS: (INCHES) Popular Resistance Values* Resistance Code Value Model (milliohms) R005 5 CFN0603 R010 10 CFN0402, 0603, 0805, 1206 R020 20 CFN0402, 0603, 0805, 1206 R030 30 CFN0805 R040 40 CFN1206 *Please consult factory for other resistance values. 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.