general purpose metal film leaded resistor EU features * Semi-precision metal film resistors * The discharge path resistor is recognized by UL 1676 and c-UL (CAS-C22.2 No.1-M94). (File No. E159326) (RK only) * Meets requirements of MIL-R-22684 * Suitable for automatic machine insertion * MFS two times the power rating of the standard body type * Marking: Blue-gray body color with color-coded bands * Products with lead-free terminations meet EU RoHS and China RoHS requirements * AEC-Q200 Qualified: MF1/4, MFS1/4, MFS1/2 dimensions and construction L Trimming Line D l Ceramic Core Type L (ref.) Dimensions inches (mm) C (max.) D d (nom.) d Marking Resistive Film End Cap Lead Wire Insulation Coating C Derating Curve Surface Temperature Rise Temperature Rise (C) 100 % Rated Power 80 60 40 20 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 160 70 155 Ambient Temperature (C) 70 MFS1/2 60 MF1/2 MF1 MFS1/4 50 40 MFS1/4 .126.008 (3.20.2) .133 (3.4) MF1/4 .248.02 (6.30.5) .280 (7.1) .091.012 (2.30.3) .024 (0.6) MFS1/2 .248.02 (6.30.5) .280 (7.1) .091.012 (2.30.3) .024 (0.6) MF1/2 .3540.4 (9.01.0) .437 (11.1) .138.016 (3.50.4) .024 (0.6) MF1 .610.02 (15.50.5) .721 (18.3) .217.02 (5.50.5) .031 (0.8) RK1/4 .248.02 (6.30.5) .280 (7.1) .091.012 (2.30.3) .024 (0.6) RK1/2 .374.04 (9.51.0) .437 (11.1) .138.016 (3.50.4) .024 (0.6) RK1 .610.04 (15.51.0) .720 (18.3) .217.02 (5.50.5) .031 (0.8) MF1/4 30 20 10 0 0 25 50 75 100 +.007 -.004 +0.2) -0.1 .066 (1.7 l* .018 (0.45) 1.10.118 (28.03.0) 1.50.118 (38.03.0) 0.94 min. (24.0 min.) 1.50.118 (38.03.0) % Rated Power * Lead length changes depending on taping and forming. ordering information New Part # MF Type MF MFS RK 1/4 Power Rating 1/4: 0.25W 1/2: 0.50W 1: 1W For further information on packaging, please refer to Appendix C. L T.C.R. E: 25 C: 50 D: 100 L: 200 G: 250 B: 350 applications and ratings C Termination Material C: SnCu T52 R Taping and Forming Packaging 1/4: T26, T52, VT, VTP, VTE, MT, M, U, M10, M12.5 1/2: T26, T52, VTP, VTE, M12.5, M15 1: T521 A: Ammo R: Reel R20 J Nominal Resistance +2%: 2 significant figures + 1 multiplier +0.5%,+1%: 3 significant figures + 1 multiplier "R" indicates decimal on value <100 Tolerance B: 0.1% C: 0.25% D: 0.5% F: 1% G: 2% J: 5% Minimum Absolute Absolute Resistance Range () Power Operating Part Dielectric T.C.R. Maximum Maximum Rating Temperature Designation Withstanding (ppm/C) (B0.1%) (C0.25%) (D0.5%) (F1.0%) (G2.0%) (J5.0%) Working Overload @ 70C Range Voltage Voltage Voltage E-24 E-96 E-96 E-24 E-192 E-24 E-96 E-24 -55C MFS1/4C C: 50 49.9 to 0.25W 300V -- -- 10 - 1M -- -- 250V 500V 562k MFS1/4D D: 100 +155C Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/24/13 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 109 resistors MF, MFS, RK resistors MF, MFS, RK general purpose metal film leaded resistor applications and ratings (continued) Minimum Absolute Absolute Resistance Range () Power Operating Part Dielectric T.C.R. Maximum Maximum Rating Temperature Designation Withstanding (ppm/C) (B0.1%) (C0.25%) (D0.5%) (F1.0%) (G2.0%) (J5.0%) Working Overload @ 70C Range Voltage Voltage Voltage E-24 E-96 E-24 E-96 E-24 E-192 E-24 E-96 MF1/4C C: 50 -- -- D: 100 -- -- L: 200 -- 10- 2.21M 10 - 2.21M -- -- -- 1.0 - 10 0.51 - 10 -- -- 10 - 1M 10 - 2.21M 10 - 2.2M C: 50 -- -- D: 100 -- -- MF1/2L L: 200 -- -- MF1C C: 50 47.5 - 1.0M 47.5 - 2.49M MF1/4D 500V 0.25W MF1/4L MFS1/2C MFS1/2D 0.50W 500V MF1/2C MF1/2D 700V 0.50W MF1D 1W 700V MF1E C: 50 D: 100 RK1/4D RK1/4L 250V 500V -- 350V 700V -- 350V 700V 10 - 4.99M 10 - 5.05M 10 - 5.11M -- -- 1.0 - 10 0.51 - 10 10 - 5.11M 1.0 - 6.81M -- -- 47.5 - 1.0M 47.5 - 2.49M 47.5 - 4.64M 47.5 - 5.11M -- -- 3.09M - 25M -- -- D: 100 E: 25 -- -- -- D: 100 -- -- -- L: 200 -- -- -- -- 3.3M - 33M 3.3M - 33M RK1/4B B: 350 -- -- -- 100k - 25M 100k - 33M 100k - 33M RK1/2D D: 100 -- -- -- 5.11M - 33M -- -- 0.25W RK1/2L 500V 0.50W 700V RK1/2B L: 200 -- -- -- -- 6.2M - 33M 6.2M - 33M B: 350 -- -- -- 100k - 35M 100k - 51M 100k - 51M 100k - 100M 100k - 100M RK1BC 1W 1000V B: 350 -- -- -- 100k - 51M RK1/2G* 0.50W 700V G: 250 -- -- -- -- -- 1M - 12M 350V 700V 500V 700V 700V 1000V 1000V 1500V 350V 700V -55C to +155C * Discharge path resistor environmental applications Performance Characteristics Parameter Resistance T.C.R. Requirement R (% + 0.05) Limit Typical Within specified -- tolerance Within specified -- T.C.R. Overload (Short Time) RK: 1%, RK1/2G: 2.5% RK: 0.6%, RK1/2G: 1% MF: 0.5% MF: 0.3% Resistance to Solder Heat RK: 1%; RK1/2G: 5%; RK: 0.5%; RK1/2G: 1% MFS: 0.75%; MF1/4, MFS1/4: 0.4%; MF1/4, MFS1/2, MF1/2: 0.5%, MFS1/2, MF1/2: 0.25% Dielectric Withstanding Voltage Insulation Resistance Rapid Change of Temperature Moisture Resistance Endurance at 70C Resistance to Solvent Impulse No breakdown Not less than 10,000M -- -- RK,MF: 1%; RK1/2G: 5% MF: 0.3%; RK: 0.5%, RK1/2G: 1% RK: 5%; RK1/2G: 10%; MFS1/4: 1.5%; MF1/4, MFS1/2, MF1/2: 1% RK: 5%; RK1/2G: 10%; MFS1/4: 1.5%; MF1/4, MFS1/2, MF1/2: 1% No abnormality in appearance. Marking shall be easily legible No such abnormalities as short-circuit, burnout, breakdown, etc. RK: 2%; RK1/2G: 5%; MFS1/4: 1%; MF1/4, MFS1/2, MF1/2: 0.75% RK: 2%; RK1/2G: 5%; MFS1/4: 1%; MF1/4, MFS1/2, MF1/2: 0.75% Test Method 25C Room temperature, +100C Rated voltage x 2.5 or max. overload voltage for 5 seconds, whichever is less; MFS1/2: Rated voltage x 2 or max. overload voltage for 5 seconds, whichever is less 260C 5C, 10 seconds 1 second or 350C 10C, 3.5 seconds 0.5 second 1 minute 100V, 1 minute -55C (30 minutes), +155C (30 minutes), 5 cycles 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle -- The resistor shall be immersed for 5 seconds in IPA -- Discharge from 1000pF capacitor 50 pulses. Internal 2.5 seconds. Charge voltage: 1.25kV (RK1/4), 2.5kV (RK1/2) and 6kV (RK1) Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 110 2/01/11 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: KOA Speer: MF1/4DLT52R4422F MF1/4DLT52R3R48F MF1/4DLT52R5R60F MF1/4DL2004F MF1/4CL2000F MF1/2CL2000F MF1/2DL2000F MF1/4DLT52R1334F MF1/4DLT52R3742F MF1/4DLT52R3743F MF1/4DLT52R3902F MF1/2CL3402F MF1/4DL6200F MF1/4DLT52R2200F MF1/4DL4530F MF1/2CL7151F MF1/4LLT52R225J MF1/4DL8202F MF1/2DL1132F MF1/2CL1132F MF1/4DLT52R33R2F MF1/4DLT52R9531F MF1/4DLT52R9533F MF1/4DLT52R9532F MF1/2CL1103F MF1/4DL1100F MF1/2CL61R9F MF1/2CL4532F MF1/2DL4532F MF1/2CL2053F MF1/4DLT52R8252F MF1/2CL6040F MF1/4DLT52R2202F MF1/4DL6043F MF1/4DLT52R2203F MF1/2CL1023F MFS1/4DLT52R3011F MF1/4CL2262F MF1/2CL1783F MF1/4DL2263F MF1/2CL2262F MF1/4DL2262F MF1/2CL1781F MF1/2CL2263F MF1/2DL7871F MF1/4DL8062F MF1/4CL1000F MF1/4DLT52R2201F MF1/4DL6201F MF1/2CL2672F MF1/2CL1022F MF1/4DL2672F MF1/2DL8062F MF1/2DL9531F MF1/2DL4531F MF1/2CL9531F MF1/2CL2051F MF1/4DLT52R8250F MF1/2CL6042F MF1/2DL6042F MF1/2CLT52R5621F MF1/2CL4531F MF1/2DL1002F MF1/4CL1022F MF1/2CL3241F MF1/2DL1052F MF1/4DL47R0F MF1/4DL1052F MF1/2DL47R0F MF1/2CL1052F MF1/4CL1052F MF1/2CL47R5F MF1/4CL1211F MF1/2CL1210F MF1/2DL1213F MF1/2CL1213F MF1/2CL1212F MF1/2CL1332F MF1/2DL1332F MF1/2CL1333F MF1/4DLT52R2491F MF1/2CL5491F MF1/2DL1824F MF1/4DL3653F MF1/2CL3651F MF1/4DL4023F MF1/2CL1742F MF1/2CL3092F MF1/2CL1582F MF1/4DL4R53F MF1/4DLT52R3003F MF1/2CL7681F MF1/2DL7681F MF1/4CL7681F MF1/4CLT52R1501F MF1/4DLT52R3653F MF1/2CLT52R2210F MF1/4CL3092F MF1/4DL3092F MF1/2DL1542F