SPU Molded Style www.vishay.com Vishay Dale Wirewound Resistors, Molded Style, Current Shunts, Very Low Value, Four Terminal FEATURES Molded four-terminal resistors for specialized Available applications Extremely low resistance values for current sensing applications Precision resistance tolerance Low temperature coefficients Complete welded construction Material categorization: For definitions of compliance please see www.vishay.com/doc 99912 STANDARD ELECTRICAL SPECIFICATIONS (1) POWER RATING RESISTANCE WEIGHT GLOBAL HISTORICAL TOLERANCE P RANGE (typical) 25 C MODEL % MODEL W g SPU050 SPU-50 1 0.001 to 0.060 1 2.5 SPU051 SPU-51 2 0.001 to 0.060 1 3.7 SPU052 SPU-52 4 0.001 to 0.200 1 4.8 SPU053 SPU-53 5 0.010 to 0.500 1 10.8 Notes Standard resistance tolerances available are 0.5 %, 1.0 %, 3.0 %, and 5.0 %. (1) Wattage rating is limited to 25 A maximum TECHNICAL SPECIFICATIONS PARAMETER UNIT SPU MOLDED STYLE RESISTOR CHARACTERISTICS Temperature Coefficient ppm/C 100 (- 10 C to + 80 C) Dielectric Withstanding Voltage V 500 minimum AC Short Time Overload - 5 x power for 5 s, limited to 25 A maximum 1/2 Maximum Working Voltage V (P x R) Insulation Resistance 10 000 M minimum dry Operating Temperature Range C SPU050 and SPU051 = - 55 to + 175, SPU052 and SPU053 = - 55 to + 275 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: SPU052R10000FD S PU 052 R 1 000 0F D GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING SPECIAL (2) SPU050 L = m D = 0.5 % E = Lead (Pb)-free, bulk (Dash Number) SPU051 (below 0.01 ) F = 1.0 % (up to 2 digits) D = Tin/lead, bulk SPU052 R = Decimal H = 3.0 % From 1 to 99 as SPU053 5L0000 = 0.005 J = 5.0 % applicable R10000 = 0.10 Historical Part Numbering example: SPU-52 0.1 1 % S51 SPU-52 0.100 1 % S51 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING Note (2) Lead (Pb)-free termination Revision: 11-Jul-13 Document Number: 30220 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 91000 SPU Molded Style www.vishay.com Vishay Dale DIMENSIONS in inches millimeters D A C B 18 AWG 0.040 0.002 1.02 0.051 DIMENSIONS in inches millimeters GLOBAL MODEL AB C D 0.660 0.010 0.312 0.010 1.000 + 0.25 - 0.125 0.200 0.015 SPU050 16.76 0.25 7.92 0.25 5.08 0.38 25.40 + 6.35 - 3.17 0.790 0.010 0.375 0.010 0.200 0.015 1.000 + 0.25 - 0.125 SPU051 5.08 0.38 25.40 + 6.35 - 3.17 20.06 0.25 9.52 0.25 1.000 0.010 0.125 0.015 1.000 minimum 0.375 0.010 SPU052 25.40 0.25 9.52 0.25 3.17 0.38 25.40 minimum 1.870 0.010 0.437 0.010 0.125 0.015 1.000 minimum SPU053 11.10 0.25 3.17 0.38 25.40 minimum 47.50 0.25 Standard Terminals: SPU050/051: 100 % Sn or 60/40 MATERIAL SPECIFICATIONS Sn/Pb coated Copperweld Element: Nickel-chromium alloy or copper-manganese SPU052/053: 100 % Sn or 60/40 Sn/Pb coated copper alloy, depending on resistance value Part Marking: DALE, model, wattage, value, tolerance, Molding Material: SPU050/051 thermo-set epoxy date code SPU052/053 thermo-set silicone AMBIENT TEMPERATURE DERATING Derating is required for ambient temperature above 25 C per the following graph DERATING 120 100 80 60 SPU052 and 053 40 SPU050 and 051 20 0 - 55 - 50 0 50 100 150 200 250 275 175 25 AMBIENT TEMPERATURE IN C Revision: 11-Jul-13 Document Number: 30220 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 R A T E D P O W E R I N %