CMF Fusible Vishay Dale Metal Film Resistors, Special Purpose, Fusible, Flameproof FEATURES * Special filming and coating processes * Fusible - circuit protection in case of other component failure * Flameproof - meets EIA RS-325, will not flame when overloaded * Tape and reel packaging is standard * Compliant to RoHS directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS HISTORICAL MODEL POWER RATING P70 C W RESISTANCE RANGE (1) TOLERANCE % TEMPERATURE COEFFICIENT ppm/C CMF55..39 CMF-55-39 0.25 4 to 10K 1 100 CMF60..64 CMF-60-64 0.50 4 to 23K 1 100 GLOBAL MODEL Note (1) Contact factory for extended values TECHNICAL SPECIFICATIONS PARAMETER UNIT CMF55..39 CMF60..64 W 0.25 0.50 VRMS 350 500 VAC 450 750 Insulation Resistance 1010 1010 Operating Temperature Range C - 65/+ 165 - 65/+ 165 Weight (Max.) g 0.20 0.50 Rated Dissipation at 70 C Maximum Flame Test Voltage Dielectric Strength GLOBAL PART NUMBER INFORMATION New Global Part Numbering: CMF55100R00FKRE39 (preferred part numbering format) C M F 5 5 GLOBAL MODEL RESISTANCE VALUE CMF55 CMF60 R= K = k 1 0 0 TOLERANCE CODE F=1% R 0 0 F K TEMPERATURE COEFFICIENT K = 100 ppm 4R0000 = 4.0 680R00 = 680 23K000 = 23 k R E 3 9 PACKAGING SPECIAL EK = Lead (Pb)-free, bulk EA = Lead (Pb)-free, T/R (full) EB = Lead (Pb)-free, T/R (1000 pieces) BF = Tin/Lead, bulk RE = Tin/Lead, T/R (full) R6 = Tin/Lead, T/R (1000 pieces) 39 = Fusible CMF55 64 = Fusible CMF60 Historical Part Number example: CMF-55-391000F R36 (will continue to be accepted) C M F -5 5 -3 9 1000 F R36 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING * Pb containing terminations are not RoHS compliant, exemptions may apply. www.vishay.com 124 For technical questions, contact: ff2aresistors@vishay.com Document Number: 31031 Revision: 11-Mar-10 CMF Fusible Metal Film Resistors, Special Purpose, Fusible, Flameproof Vishay Dale DIMENSIONS in inches (millimeters) 1.500 0.125 (1) (38.10 3.18) A C (Max.) D B Note (1) 1.08 0.125 (27.43 3.18) if tape and reel A B C (Max.) D CMF55..39 0.240 0.020 (6.10 0.51) 0.090 0.008 (2.29 0.21) 0.278 (7.06) 0.025 0.002 (0.64 0.05) CMF60..64 0.370 0.035 (9.40 0.89) 0.145 0.010 (3.68 0.25) 0.425 (10.80) 0.032 0.002 (0.81 0.05) GLOBAL MODEL MARKING - DALE - Model (C55-39 or C60-64) - Value - Tolerance, Temperature coefficient - Date code Note FUSING TIME (s) * Fusing time graphs represent an average for the resistance value range. Low resistance parts require higher power to fuse than high resistance parts. It is recommended that values less than 200 be evaluated for specific applications. 24 22 20 18 16 14 12 10 8 CMF60..64 6 4 2 0 CMF55..39 5 10 15 20 25 30 35 APPLIED POWER (W) FUSIBLE, FLAMEPROOF (Typical Fusing Times) Document Number: 31031 Revision: 11-Mar-10 For technical questions, contact: ff2aresistors@vishay.com www.vishay.com 125 Legal Disclaimer Notice Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1