SPU Open Style Vishay Dale Wirewound Resistors, Open Style, Current Shunts, Custom Tailored, Very Low Value, High Precision FEATURES * Custom-made four-terminal resistors to meet your individual specifications * Extremely low resistance values for current sensing applications * Precision resistance tolerance * Low temperature coefficients * Complete welded construction The mechanical configurations and electrical properties of our shunts are made to your specifications. The following are examples of "Typical Electrical Specifications" from several existing custom designs. Consult our engineering department for help in designing your own configuration and/or electrical properties, see email address at the bottom of this page. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL POWER RATING P25 C W HISTORICAL MODEL CURRENT RATING (maximum) A RESISTANCE RANGE 1% 0.0025 - 0.010 SPU104 SPU-104 1.875 25 SPU111...1 SPU-111-1 1 10 0.005 SPU114 SPU-114 1 10 0.00167 - 0.020 Note * 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 TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient UNIT SPU OPEN STYLE RESISTOR CHARACTERISTICS ppm/C Typical is 100 (- 10 C to + 80 C) consult factory for tighter TCR availability Resistance Range Dependent upon configuration, consult factory Maximum Current Rating A Dependent upon configuration, consult factory Operating Temperature Range C - 55 to + 275 GLOBAL PART NUMBER INFORMATION New Global Part Numbering: SPU1115L0000FD1 (preferred part numbering format) S P GLOBAL MODEL SPU111 U 1 1 RESISTANCE VALUE L = m (below 0.01 ) R = Decimal 5L0000 = 0.005 R10000 = 0.10 1 5 L 0 TOLERANCE CODE F = 1.0 % J = 5.0 % 0 0 0 F D 1 PACKAGING SPECIAL E* = Lead (Pb)-free, bulk D = Tin/lead, bulk (Dash Number) (up to 2 digits) From 1 - 99 as applicable * Lead (Pb)-free will not be available until Q1 2005 Historical Part Number Example: SPU-111-1 0.005 1 % S51 (will continue to be accepted) SPU-111-1 HISTORICAL MODEL www.vishay.com 168 0.005 1% S51 RESISTANCE VALUE TOLERANCE CODE PACKAGING For technical questions, contact: ww2bresistors@vishay.com Document Number: 30240 Revision: 10-Sep-04 SPU Open Style Wirewound Resistors, Open Style, Current Shunts, Custom Tailored, Very Low Value, High Precision Vishay Dale DIMENSIONS in inches [millimeters] SPU104 End View Side View Top View 0.500 0.020 [12.7 0.508] 0.625 [15.88] max. 0.440 0.005 [11.18 0.127] 0.500 0.020 [12.7 0.508] 0.190 0.005 [4.83 0.127] 0.040 0.005 [1.02 0.127] CL SPU111...1 0.060 0.005 [1.52 0.127] 0.040 [1.02] typ. 0.200 0.005 [5.08 0.127] CL C L Side View CL CL End View 0.525 [13.34] max. 0.100 0.010 [2.54 0.254] 0.350 0.010 [8.89 0.254] SPU114 0.200 0.010 [5.08 0.254] Side View 0.046 0.010 [1.63 0.254] 0.127 [0.005] max. BURR Top View 0.040 0.002 [1.02 0.051] Dia. 0.130 0.010 [3.30 0.254] 0.200 0.010 [5.08 0.254] 0.120 0.020 [3.05 0.508] RAD. 4 PL. CL 0.100 0.010 [2.54 0.254] 0.138 0.113 [3.50 2.87] 0.850 0.025 [21.59 0.635] 1.10 0.010 [27.94 0.254] AMBIENT TEMPERATURE DERATING Element: Copper-nickel alloy or nickel-chrome alloy, Derating is required for ambient temperatures above 25 C per the following graph depending on resistor type and/or resistance value Coating: None Standard Terminals: SPU104: 100 % Sn, w/Nickel underplate, or 60/40 Sn/Pb coated copper Other Models: 100 % Sn, w/Nickel underplate, or 60/40 Sn/Pb coated Copperweld(R) RATED POWER IN % MATERIAL SPECIFICATIONS 120 100 80 60 40 20 Part Marking: None 0 - 55 - 50 Derating Document Number: 30240 Revision: 10-Sep-04 0 50 25 For technical questions, contact: ww2bresistors@vishay.com 100 150 200 250 275 AMBIENT TEMPERATURE IN C www.vishay.com 169 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