MR500 Series www.vishay.com Vishay Mills Wirewound Resistor, Ultra Precision, Epoxy Molded, Axial Lead FEATURES • Resistance values up to 250 k • Resistance tolerances down to ± 0.005 % • Tighter tolerances and lower resistance values available, please contact factory • Temperature coefficients down to ± 2 ppm/°C, and up to 6000 ppm/°C • Matched resistance sets available in tolerances down to ± 0.001 %, and in temperature coefficients down to ± 0.5 ppm/°C, please contact factory • Custom design capability available, please contact factory • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS POWER RATING W (1) GLOBAL MODEL RESISTANCE RANGE RESISTANCE RANGE RESISTANCE RANGE RESISTANCE RANGE ± 0.1 %, ± 0.25 %, ± 0.5 %, ± 1 % ± 0.05 %, ± 0.1 %, ± 0.25 %, ± 0.5 %, ± 1 % ± 0.01 %, ± 0.05 %, ± 0.1 %, ± 0.25 %, ± 0.5 %, ± 1 % ± 0.005 %, ± 0.01 %, ± 0.05 %, ± 0.1 %, ± 0.25 %, ± 0.5 %, ± 1 % MAXIMUM WORKING VOLTAGE V (2) MR503 0.06 1 to 75K 5 to 75K 50 to 75K 1K to 75K 75 MR508 0.08 1 to 150K 5 to 150K 50 to 150K 1K to 150K 100 MR510 0.10 1 to 250K 5 to 250K 50 to 250K 1K to 250K 100 MR512 0.10 1 to 250K 5 to 250K 50 to 250K 1K to 250K 100 Notes (1) Power rating is based on tolerance, please see derating chart. (2) The maximum working voltage is the highest voltage that can be applied to the resistor. Below this value, the maximum voltage that can continuously be applied is given by (P x R)1/2. GLOBAL PART NUMBER INFORMATION Global Part Numbering example: MR50336R000FAE66 (visit www.vishay.net SAP parts manual for all options) M R 5 0 3 3 6 R 0 0 0 F A E 6 6 GLOBAL MODEL (5 digits) VALUE (6 digits) TOLERANCE (1 digit) TC (1 digits) PACKAGING CODE (3 digits) (see Standard Electrical Specifications Global Model column for options) R = decimal K = thousand M = million 1R5000 = 1.5 1K5000 = 1.5 k 1M0000 = 1 M S = ± 0.005 % T = ± 0.01 % Q = ± 0.02 % A = ± 0.05 % B = ± 0.1 % C = ± 0.25 % D = ± 0.5 % F = ± 1.0 % A = standard, 10 to 30 (W) B = 3900 (Q) C = 4500 (M) D = 6000 (N) E = 3500 (P) Y = 10 ( 1 ) G = 5 ( 10 ) J = 2 ( 100 ) E66 = lead (Pb)-free bulk pack SPECIAL (up to 2 digits) (dash number) from 1 to 99 as applicable S = 0.025" terminal Historical Part Number example: MR503W36R0F MR503 W = STANDARD 36 1% HISTORICAL MODEL TC RESISTANCE VALUE TOLERANCE Revision: 24-May-16 Document Number: 31816 1 For technical questions, contact: [email protected] 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 MR500 Series www.vishay.com Vishay Mills DIMENSIONS in inches [millimeters] L LD D DIMENSIONS in inches [millimeters] GLOBAL MODEL L ± 0.025 [0.635] D ± 0.005 [0.127] LD ± 0.002 [0.051] MR503 0.210 [5.33] 0.100 [2.54] 0.020 [0.508] MR508 0.260 [6.60] 0.125 [3.18] 0.020 [0.508] (1) MR510 0.375 [9.52] 0.125 [3.18] 0.020 [0.508] MR512 0.312 [7.92] 0.156 [3.96] 0.020 [0.508] Note (1) 0.025" [0.635] available, this is called out by putting an “S” in the SPECIAL section of the part number. DERATING Element: nickel-chrome alloy, other materials available depending on TC requirements 180 RATED POWER IN % MATERIAL SPECIFICATIONS 1 %, 160 140 Core: molded epoxy 0.05 % , 0.02 % 120 Encapsulant: epoxy 100 Standard Terminals: 100 % matte tinned copper Part Marking: MILLS, model, value, tolerance, date code 0.01 % 80 60 , 0.1 % To leran ce Toleran c e Toleran ce 0.005 % Tolerance 40 Note • Due to resistor size limitations some resistors will have minimal information marked on parts. 0.5 % 20 0 0 20 40 60 80 100 120 140 160 AMBIENT TEMPERATURE IN °C TECHNICAL SPECIFICATIONS PARAMETER UNIT MR500 RESISTOR CHARACTERISTICS ppm/°C ± 10 for > 100 ; ± 20 for 10 to 100 ; ± 30 for < 10 lb 4.5 Dielectric Withstanding Voltage VAC 750 Operating Temperature Range °C -55 to +145 (see derating chart) Temperature Coefficient Terminal Strength Revision: 24-May-16 Document Number: 31816 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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