SR www.vishay.com Vishay Dale Wirewound Resistors, Open Air, Current Sense, Low Value FEATURES Open air design Low resistance values for all types of current Available sensing, voltage division and pulse applications including switching and linear supplies, instrumentation and power amplifiers All welded construction Available Solid metal nickel-chrome or copper-nickel alloy resistive element Available Solderable terminations Very low inductance 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 RANGE TOLERANCE MODEL P 70 C % W SR3 3.0 0.0025 to 0.10 1, 2, 3, 5, 10 SR5 5.0 0.0025 to 0.05 1, 2, 3, 5, 10 TECHNICAL SPECIFICATIONS PARAMETER UNIT SR RESISTOR CHARACTERISTICS 400 = 0.0025 to 0.0199 Temperature Coefficient 300 = 0.02 to 0.049 ppm/C +25C / -55C 250 = 0.05 to 0.99 +25C / +125C 200 = 0.1 and above Operating Temperature Range C -65 to +275 1/2 Maximum Continuous Current A (P/R) GLOBAL PART NUMBER INFORMATION Global Part Numbering example: SR55L000JE66 S R 5 5 L 000 J E 6 6 GLOBAL MODEL VALUE TOLERANCE PACKAGING SPECIAL SR3 L = m F = 1.0 % E66 = lead (Pb)-free bulk (dash number) (below 0.01 ) G = 2.0 % SR5 (up to 3 digits) R = decimal H = 3.0 % from 1 to 999 as 5L000 = 0.005 J = 5.0 % applicable R0100 = 0.01 K = 10 % Revision: 20-Sep-2018 Document Number: 31067 1 For technical questions, contact: ww2aresistors 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 91000SR www.vishay.com Vishay Dale DIMENSIONS in inches millimeters B C E F A DIMENSIONS in inches millimeters MODEL AB CE F 0.600 + 0.040/- 0.020 SR3 15.24 + 1.020/- 0.508 1.0 maximum 0.125 0.030 0.065 + 0.010/- 0.005 0.040 0.002 3.18 0.762 1.02 0.051 25.4 maximum 1.65 + 0.254/- 0.127 0.800 + 0.040/- 0.020 SR5 20.32 + 1.020/- 0.508 MATERIAL SPECIFICATIONS DERATING Element: nickel-chrome or copper-nickel alloy depending 120 on resistance value 100 Terminals: tinned copper 80 Encapsulation: none 60 Marking: none 40 20 0 - 65 - 25 25 75 125 175 225 275 70 AMBIENT TEMPERATURE IN C PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Temperature Cycling -55 C to +125 C, 5 cycles, 15 min at each extreme (2.0 % + 0.0005 ) R Low Temperature Storage -65 C for 24 h (0.5 % + 0.0005 ) R Mechanical Shock 100 gs for 11 ms, 5 pulses (0.2 % + 0.0005 ) R Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h (0.2 % + 0.0005 ) R Load Life 1000 h at rated power, +70 C, 1.5 h ON, 0.5 h OFF (2.75 % + 0.0005 ) R Resistance to Solder Heat +260 C solder, 10 s to 12 s dwell (0.2 % + 0.0005 ) R Short Time Overload 5x rated power for 5 s (1.25 % + 0.0005 ) R 103B of MIL 202F and test condition D, (0.5 % + 0.0005 ) R Damp Heat humidity chamber per 1300 h no mechanical damage Revision: 20-Sep-2018 Document Number: 31067 2 For technical questions, contact: ww2aresistors 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 RATED POWER IN %