CMF Fusible www.vishay.com Vishay Dale Metal Film Resistors, Axial, Special Purpose, Fusible, Flameproof FEATURES Special filming and coating processes Fusible - circuit protection in case of other Available component failure Flameproof - meets EIA RS-325, will not flame when overloaded Tape and reel packaging is standard Available Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 Note * This datasheet provides information about parts that are RoHS-compliant and / or parts that are non-RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details. STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE TEMPERATURE GLOBAL HISTORICAL TOLERANCE (1) P RANGE COEFFICIENT 70 C MODEL MODEL % W 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 CMF70..5 CMF-70-5 1.5 4 to 30K 1 100 Note (1) Contact factory for extended values TECHNICAL SPECIFICATIONS PARAMETER UNIT CMF55..39 CMF60..64 CMF70..5 Rated Dissipation at 70 C W 0.25 0.50 1.5 Maximum Flame Test Voltage V 350 500 1000 RMS Dielectric Strength V 450 750 900 AC 10 10 10 Insulation Resistance 10 10 10 Operating Temperature Range C -65/+165 -65/+165 -65/+165 Weight (Max.) g 0.28 0.50 1.30 GLOBAL PART NUMBER INFORMATION Global Part Numbering: CMF55100R00FKRE39 (preferred part numbering format) C MF 5510 0 R 0 0 F K RE 3 9 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE TEMP. COEFFICIENT PACKAGING SPECIAL CMF55 R = F = 1 % K = 100 ppm EK = lead (Pb)-free, bulk 39 = fusible CMF60 K = k EA = lead (Pb)-free, CMF 55 CMF70 4R0000 = 4.0 T/R (full) 64 = fusible 680R00 = 680 EB = lead (Pb)-free, T/R CMF60 23K000 = 23 k (1000 pieces except 70s) 5 = fusible BF = tin/lead, bulk CMF70 RE = tin/lead, T/R (full except 70s) CP = tin/lead, T/R (full 70s only) R6 = tin/lead, T/R (1000 pieces except 70s) Historical Part Number example: CMF-55-391000F R36 (will continue to be accepted) CMF-55-39 1000 F R36 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING Note For additional information on packaging, refer to the Through Hole Resistor Packaging document (www.vishay.com/doc 31544). Revision: 16-Sep-16 Document Number: 31031 1 For technical questions, contact: ff2aresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000CMF Fusible www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) (1) 1.500 0.125 A (38.10 3.18) C D B (Max.) Note (1) Lead length for product in bulk pack. For product supplied in tape and reel, the actual lead length would be based on the body size, tape spacing and lead trim. C GLOBAL MODEL A B D (Max.) 0.240 0.020 0.090 0.008 0.290 0.025 0.002 CMF55..39 (6.10 0.51) (2.29 0.21) (7.37) (0.64 0.05) 0.370 0.035 0.145 0.010 0.425 0.032 0.002 CMF60..64 (9.40 0.89) (3.68 0.25) (10.80) (0.81 0.05) 0.562 0.031 0.230 0.015 0.687 0.032 0.002 CMF70..5 (14.27 0.79) (5.84 0.38) (17.54) (0.81 0.05) MARKING Model: C55-39 = CMF55-39, C60-64 = CMF60-64, C70-5 = CMF70-5 Temperature coefficient: T1 = 100 ppm CMF55-39, CMF60-64, CMF70-5: (5 lines) DALE Manufacturer C55-39 Model 1.47 k Value 1 % T1 Tolerance and TC 1130 4-digit date code FUSIBLE, FLAMEPROOF (Typical Fusing Times) 24 120 22 100 20 18 80 16 14 12 60 CMF70..5 10 8 40 CMF60..64 6 20 4 CMF55..39 2 0 0 5 15 20 25 30 35 0 10 20 30 40 50 60 70 10 APPLIED POWER (W) APPLIED POWER (W) Note 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. Revision: 16-Sep-16 Document Number: 31031 2 For technical questions, contact: ff2aresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 FUSING TIME (s) FUSING TIME (s)