MR93 Series www.vishay.com Vishay Mills Wirewound Resistor, Ultra Precision, Epoxy Molded, Axial Lead FEATURES • Resistance values up to 6 M • 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 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) GLOBAL MODEL POWER RATING W (1) MR9352 0.750 1 to 6.0M 5 to 6.0M 50 to 6.0M 1K to 6.0M 600 MR9353 0.500 1 to 3.8M 5 to 3.8M 50 to 3.8M 1K to 3.8M 400 MR9354 0.330 1 to 2.5M 5 to 2.5M 50 to 2.5M 1K to 2.5M 400 MR9355 0.250 1 to 1.2M 5 to 1.2M 50 to 1.2M 1K to 1.2M 300 MR9356 0.200 1 to 1.0M 5 to 1.0M 50 to 1.0M 1K to 1.0M 200 MR9357 1.000 1 to 6.0M 5 to 6.0M 50 to 6.0M 1K to 6.0M 800 MR9358 1.500 1 to 6.0M 5 to 6.0M 50 to 6.0M 1K to 6.0M 900 MR9359 2.000 1 to 6.0M 5 to 6.0M 50 to 6.0M 1K to 6.0M 1000 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: MR9355500K00AAE66 (visit www.vishay.net SAP parts manual for all options) M R 9 3 5 5 5 0 0 K 0 0 A A E 6 6 GLOBAL MODEL (6 digits) VALUE (6 digits) TOLERANCE (1 digit) TC (1 digits) PACKAGING CODE (3 digits) SPECIAL (1 digits) (see Standard Electrical Specifications Global Model column for options) R = decimal K = thousand M = million 15R000 = 15 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 (dash number) from 1 to 9 as applicable Historical Part Number example: MR9355W500K0A MR9355 W = STANDARD 500 k 0.05 % HISTORICAL MODEL TC RESISTANCE VALUE TOLERANCE Revision: 24-May-16 Document Number: 31813 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 MR93 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] MR9352 1.000 [25.40] 0.375 [9.52] 0.032 [0.813] MR9353 0.750 [19.05] 0.375 [9.52] 0.032 [0.813] MR9354 0.750 [19.05] 0.250 [6.35] 0.032 [0.813] MR9355 0.500 [12.70] 0.250 [6.35] 0.032 [0.813] MR9356 0.375 [9.52] 0.250 [6.35] 0.032 [0.813] MR9357 1.000 [25.40] 0.500 [12.70] 0.032 [0.813] MR9358 1.500 [38.10] 0.500 [12.70] 0.032 [0.813] MR9359 2.000 [50.80] 0.500 [12.70] 0.032 [0.813] MATERIAL SPECIFICATIONS DERATING Element: nickel-chrome alloy, other materials available depending on TC requirements RATED POWER IN % 180 1 %, 160 140 Core: molded epoxy , 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 % 0.05 % 20 0 0 20 40 60 80 100 120 140 160 AMBIENT TEMPERATURE IN °C TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Terminal Strength UNIT MR93 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) PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Dielectric Withstanding Voltage MIL-STD-202 Method 301, 750 VRMS ± (0.01 %) R High Frequency Vibration MIL-STD-202 Method 204, condition D, frequency varied 10 Hz to 2000 Hz, 20 g peak ± (0.01 %) R High Temperature Exposure MIL-STD-202 Method 108, 2000 h at 145 °C ± (0.01 %) R Load Life MIL-STD-202 Method 108, 2000 h at 125 °C at rated power, 1.5 h “ON”, 0.5 h “OFF” Low Temperature Storage -65 °C for 24 h Moisture Resistance MIL-STD 202 Method 106 ± (0.01 %) R Shock, Specified Pulse MIL-STD-202 Method 213, condition I, 5 shocks in 3 directions ± (0.01 %) R Thermal Shock MIL-STD-202 Method 107, condition B ± (0.05 %) R Short Time Overload 2x rated power for 10 min ± (0.01 %) R Terminal Strength MIL-STD-202 Method 211, conditions A and D, 4.5 lb ± (0.01 %) R Revision: 24-May-16 ± (0.1 % + 0.01 ) R ± (0.01 %) R Document Number: 31813 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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