MF precision metal film leaded resistor features * Units meet or exceed the requirements of MIL-R-10509 * Suitable for automatic machine insertion * Marking: Blue-gray body color with color-coded bands dimensions and construction L D Trimming Line l Ceramic Core d Marking Resistive Film End Cap Dimensions inches (mm) C (max.) D d Type L (ref.) MF1/4 .248 (6.3) .280 (7.1) MF1/2 .374 (9.5) .437 (11.1) .091.012 (2.30.3) .024.002 1.18.118 .138.016 (0.60.05) (30.03.0) (3.50.4) MF1 .610 (15.5) .721 (18.3) .217.02 (5.50.5) Lead Wire l .031.002 1.50.126 (0.80.05) (38.13.2) Insulation Coating C leaded resistors ordering information Old Part # New Part # MF55, MF60, MF65 D 1002 F T52 Type T.C.R. Resistance Tolerance Packaging MF 1/4 D L T52 Termination Material L: SnPb C: SnCu Taping and Forming 1/4: T26, T52, VT, VTP, VTE, M10, M25, U 1/2: T52, M12.5, M15 1: T521 Type For further information on packaging, please refer to Appendix C. Power Rating 1/4: 0.25W 1/2: 0.5W 1: 1W T.C.R. E: 25 C: 50 D: 100 R Packaging A: Ammo R: Reel 1002 Nominal Resistance 3 significant figures + 1 multiplier "R" indicates decimal on value <10 F Tolerance B: 0.1% C: 0.25% D: 0.5% F: 1.0% Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 180 KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com MF precision metal film leaded resistor applications and ratings Part Designation Power Rating @ 70C Minimum Dielectric Withstanding Voltage 0.25W 500V (B0.1%) D: 100 MF1/4D MF1/4C E: 25 MF1/2D D: 100 (D0.5%) 24.3 - 750K 24.3 - 1.0M 30.1 - 750K 30.1 - 1.0M -- E: 25 700V MF1D D: 100 1W MF1E Absolute Operating Maximum Temperature Overload Range Voltage 1.0 - 2.21M 250V 500V 30.1 - 1.0M 30.1 - 1.0M -- 10 - 10M 47.5 - 1.0M 47.5 - 1.5M -- (F1.0%) Absolute Maximum Working Voltage 1.0 - 22.1M 10 - 5.9M C: 50 0.50W MF1/2E MF1C (C0.25%) C: 50 MF1/4E MF1/2C Resistance Range E-96 T.C.R. (ppm/C) 1.0 - 33.2M -55C to +155C 1.0 - 5.6M 47.5 - 2.0M 47.5 - 2.0M -- 350V 700V 10 - 5.11M 1.0 - 6.81M C: 50 47.5 - 1.0M 47.5 - 2.49M E: 25 47.5 - 2.0M 7.5 - 2.49M 47.5 - 4.64M 47.5 - 5.11M environmental applications Surface Temperature Rise % Rated Power 80 60 40 20 0 -60 -40 -20 -55 MF1/2 70 Temperature Rise (C) 100 0 20 40 60 80 100 120 140 70 Ambient Temperature (C) 60 MF1/4 50 MF1 40 30 20 10 0 160 155 0 25 50 75 100 % Rated Power Performance Characteristics Parameter Resistance T.C.R. Overload Requirement R (% + 0.05) Limit Typical Within regulated tolerance -- Within specified T.C.R. 0.5 Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance @ 70C High Temperature Exposure 0.3 0.25 0.3 1.0 0.75 0.5 Test Method 25C +25C/-55C and +25C/+125C Rated voltage x 2.5 or maximum overload voltage for 5 seconds, whichever is less 260C 5C for 10 seconds 1 second -55C (30 minutes)/+155C (30 minutes), 5 cycles 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hour ON, 0.5 hr OFF cycle 70C 2C, 1000 hours, 1.5 hour ON, 0.5 hr OFF cycle +125C, 100 hours Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA Speer Electronics, Inc. * Bolivar Drive * P.O. Box 547 * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 181 leaded resistors Derating Curve