USR UNR 2-0710 Powertron * * * * * Resistances from 1Ohm to 150kOhms Power Rating to 0.6Watt Resistance Tolerances to 0.005% TCR to 1ppm/K Load Stability to 0.01% SPECIFICATIONS Type Resistance Range Power rating (70C) Tolerances from 1.0 Ohms from 5.0 Ohms from 12.0 Ohms from 25.0 Ohms from 50.0 Ohms USR 2-0710 UNR 2-0710 1.0 Ohms to 4.99 kOhms 5.0 kOhms to 150 kOhms 1.0 Ohms to 5.0 kOhms 0.4W (0.6W upon request) 0.6W 0.4W 0.1% / 0.25% / 0.5% / 1% 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.005% / 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% Stability 0.01% Shelf Life Stability Temperature Coefficient 25ppm / R after 1 year 50ppm / R after 3 year max. 5ppm/K (-55 to 155C) typ. 3ppm/K (-55 to 125C) upon request 1ppm/K (0 to 60C) and 1ppm/K (-55 to 125C) Insolation Resistance > 10GOhm Thermal EMF < 0.1V/K Operating Temperature Range -55 to 155C Resistor Material Substrate NiCr-Foil Al2O3 Housing AlN PBTP / Epoxy Connector Material Cu tinned Terminals 2 Notes Specially designed for applications with fast changing electrical load Ordering Information Part Number - Resistance - Contact - Tolerance - TCR UNR 2-0710 3.7Ohms J 0.5% 1ppm Document Number: 64219 Revision: 20-09-10 Grid (E) 3.81mm (0.15inches) = D Grid (E) 5.08mm (0.2inches) = J For technical questions, contact: powertron@vishaypg.com www.powertron.de 1 USR UNR 2-0710 Powertron SPECIFICATIONS (continued) Temperature Coefficient 1500 1000 +5ppm/K -5ppm/K DR/R (ppm) 500 0 Nominal Spread 2.3ppm/K +4,4 ppm/K -500 Nominal DR/R Nominal Spread 2.3ppm/K -1000 -1500 -50 -25 0 50 25 Temperature (C) 100 125 130 145 75 Power (% from nominal power) Derating 120 100 80 60 40 20 0 50 70 85 100 115 155 Ambient Temperature (C) Dimensions www.powertron.de 2 Dimension mm tol. (mm) inches tol. (inches) A 30.00 2.0 1.18 0.079 B 7.00 0.1 0.28 0.004 C 9.50 0.2 0.37 0.008 D 2.00 0.1 0.08 0.004 E1 3.81 0.1 0.15 0.004 E2 5.08 0.1 0.20 0.004 F 3.00 0.1 0.12 0.004 G O0.60 0.1 O0.02 0.004 For technical questions, contact: powertron@vishaypg.com Document Number: 64219 Revision: 20-09-10 Legal Disclaimer Notice Vishay Precision Group Disclaimer ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE. Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay Precision Group"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. The product specifications do not expand or otherwise modify Vishay Precision Group's terms and conditions of purchase, including but not limited to, the warranty expressed therein. Vishay Precision Group makes no warranty, representation or guarantee other than as set forth in the terms and conditions of purchase. To the maximum extent permitted by applicable law, Vishay Precision Group disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Information provided in datasheets and/or specifications may vary from actual results in different applications and performance may vary over time. Statements regarding the suitability of products for certain types of applications are based on Vishay Precision Group's knowledge of typical requirements that are often placed on Vishay Precision Group products. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by any conduct of Vishay Precision Group. The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay Precision Group products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay Precision Group for any damages arising or resulting from such use or sale. Please contact authorized Vishay Precision Group 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 No.: 63999 Revision: 27-Apr-11 www.vishaypg.com 1