SPU Molded Style Vishay Dale Wirewound Resistors, Molded Style, Current Shunts, Very Low Value, Four Terminal FEATURES * Molded four-terminal resistors for specialized applications * Extremely low resistance values for current sensing applications * Precision resistance tolerance * Low temperature coefficients * Complete welded construction STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL HISTORICAL MODEL POWER RATING * P25C W RESISTANCE RANGE 1% WEIGHT (Typical) g SPU050 SPU-50 1 0.001 - 0.060 2.5 SPU051 SPU-51 2 0.001 - 0.060 3.7 SPU052 SPU-52 4 0.001 - 0.200 4.8 SPU053 SPU-53 5 0.010 - 0.500 10.8 * Resistance tolerance available is 0.1%, 0.25%, 0.5%, 1.0%, 3.0% and 5.0% depending on resistor physical design and resistance value. *Wattage rating is limited to 25 amperes maximum. TECHNICAL SPECIFICATIONS PARAMETER UNIT SPU MOLDED STYLE RESISTOR CHARACTERISTICS ppm/C - 100 (- 10C to + 80C) VAC 500 minimum Short Time Overload - 5 x power for 5 seconds, limited to 25 amperes maximum Maximum Working Voltage V (PxR)1/2 Insulation Resistance 10,000 Megohm minimum dry Operating Temperature Range C SPU-50 & SPU-51 = - 55/+175, SPU-52 & SPU-53 = - 55/+ 275 Temperature Coefficient Dielectric Withstanding Voltage GLOBAL PART NUMBER INFORMATION New Global Part Numbering: SPU052R10000FD (preferred part numbering format) S GLOBAL MODEL SPU052 P U 0 5 2 RESISTANCE VALUE L = Milliohm (below 0.01) R = Decimal 5L0000 = 0.005 R10000 = 0.10 R 1 0 TOLERANCE CODE F = 1.0% J = 5.0% 0 0 0 F D PACKAGING SPECIAL E* = Lead Free, bulk D = Tin/lead, bulk (Dash Number) (up to 2 digits) From 1-99 *Lead Free will not be available until Q1 2005 as applicable Historical Part Number example: SPU-52 0.1 1% S51 (will continue to be accepted) SPU-052 HISTORICAL MODEL www.vishay.com 144 0.100 1% S51 RESISTANCE VALUE TOLERANCE CODE PACKAGING For technical questions, contact ww2bresistors@vishay.com Document Number: 30220 Revision 11-Sep-04 SPU Molded Style Wirewound Resistors, Molded Style, Current Shunts, Vishay Dale Very Low Value, Four Terminal DIMENSIONS D A C B 18 AWG 0.040 0.002 [1.02 0.051] DIMENSIONS in inches [millimeters] GLOBAL MODEL A B C D SPU050 0.660 0.010 [16.76 0.25] 0.312 0.010 [7.92 0.25] 0.200 0.015 [5.08 0.38] 1.000 + 0.25 - 0.125 [25.40 + 6.35 - 3.17] SPU051 0.790 0.010 [20.06 0.25] 0.375 0.010 [9.52 0.25] 0.200 0.015 [5.08 0.38] 1.000 + 0.25 - 0.125 [25.40 + 6.35 - 3.17] SPU052 1.000 0.010 [25.40 0.25] 0.375 0.010 [9.52 0.25] 0.125 0.015 [3.17 0.38] 1.000 Minimum [25.40 Minimum] SPU053 1.870 0.010 [47.50 0.25] 0.437 0.010 [11.10 0.25] 0.125 0.015 [3.17 0.38] 1.000 Minimum [25.40 Minimum] * Limited to 25 amperes maximum. MATERIAL SPECIFICATIONS Element: Nickel-chromium alloy or copper-manganese alloy, depending on resistance value Molding Material: SPU050/051 thermo-set epoxy SPU052/053 thermo-set silicone Standard Terminals: SPU050/051: 100% Sn or 60/40 Sn/Pb coated Copperweld(R) SPU052/053: 100% Sn or 60/40 Sn/Pb coated copper Part Marking: DALE, Model, Wattage, Value, Tolerance, Date Code AMBIENT TEMPERATURE DERATING RATED POWER IN % Derating is required for ambient temperature above 25C per the following graph 120 100 80 SPU052 & 053 60 40 SPU050 & 051 20 0 -55 -50 0 50 25 Derating Document Number: 30220 Revision 11-Sep-04 100 150 200 250 275 175 AMBIENT TEMPERATURE IN C For technical questions, contact ww2bresistors@vishay.com www.vishay.com 145 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1