SG3, SG4 www.vishay.com Vishay Sfernice Cemented Wirewound Resistors FEATURES • • • • • 3 W and 4 W at + 40 °C Cemented protection Non flammability Industrial applications Low values available: 20 m available (for SG3) 100 m available (for SG4) • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 DIMENSIONS in millimeters (max.) Ø 0.8 Ø A max. 25 min. L max. MODEL ØA L SG3 5 (5.2 for 0.2 ) 13 SG4 5.5 (5.8 for 0.5 ) 15.8 25 min. 63 ± 1 6 10 ± 0.5 75 STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE RANGE RATED POWER P40 °C W LIMITING ELEMENT VOLTAGE V TOLERANCE ±% SG3 0.02 to 3.3K 3 100 5 SG4 0.02 to 3.9K 4 125 5 MODEL MECHANICAL SPECIFICATIONS Mechanical Protection Resistive Element Connections TECHNICAL SPECIFICATIONS Cement Ni Cr wire Critical Resistance Copper tinned SG3 SG4 3.3 k 3.9 k Temperature Coefficient (typical) V < 0.1 300 ppm/°C Temperature Coefficient (typical) V 0.1 150 ppm/°C ENVIRONMENTAL SPECIFICATIONS Temperature Range Climatic Category - 55 °C to + 250 °C 55/250/21 PERFORMANCE TESTS Short Time Overload CONDITIONS TYPICAL VALUES AND DRIFTS 5 Pn during 5 s ± (1.5 % + 0.005 ) EN1400 CEI-115-1, - 55 °C + 200 °C 5 cycles ± (1 % + 0.005 ) Humidity EN60115-1, 56 days 93 % RH ± (1 % + 0.005 ) Load Life MIL-STD 202, method 108 Pr 1000h ± (5 % + 0.005 ) MIL-STD 202 method 106 ± (1 % + 0.005 ) MIL-STD 202 method 204, Test 20 g, 10 Hz/2000 Hz ± (0.5 % + 0.005 ) MIL-STD 202 method 213, Test C ± (0.5 % + 0.005 ) Rapid Change of Temperature Moisture Resistance Vibration Shock Revision: 05-Aug-13 Document Number: 50012 1 For technical questions, contact: [email protected] 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 SG3, SG4 www.vishay.com Vishay Sfernice SPECIAL FEATURES Please consult Vishay Sfernice for other ohmic values and tolerances. POWER RATING TEMPERATURE RISE 100 RATED POWER IN % 80 60 40 20 0 4 SG SG 3 HOT SPOT TEMPERATURE IN °C 300 240 180 120 60 0 0 40 80 120 160 200 240 0 260 1 2 3 4 5 6 7 RATED POWER IN W AMBIENT TEMPERATURE IN °C MARKING GEKA trademark, model, style, nominal resistance (in ), tolerance (in %). Note: For low ohmic values, (< 0.1 ), quality of marking cannot be guaranteed. PACKAGING Tape and reel packaging by: - 1500 pieces SG3 - 1250 pieces SG4 ORDERING INFORMATION SG 3 330 ±5% ± 150 ppm/°C TR1500 e3 MODEL STYLE 3 4 OHMIC VALUE TOLERANCE TEMPERATURE COEFFICIENT ± 300 ppm/°C PACKAGING LEAD (Pb)-FREE GLOBAL PART NUMBER INFORMATION S GLOBAL MODEL SG Revision: 05-Aug-13 G 3 R 0 3 0 0 J R 1 8 SIZE OHMIC VALUE TOLERANCE PACKAGING SPECIAL 3 4 The first four digits are significant figures and the last digit specifies the number of zeros to follow. R designates decimal point. R0300 = 0.03 m 2R870 = 2.87 1R200 = 1.2 10020 = 10 000 R3300 = 0.33 J = 5.0 % R17 = reel 1250 pieces As applicable. Example: AD7 R18 = reel 1500 pieces Document Number: 50012 2 For technical questions, contact: [email protected] 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 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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 in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay 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. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. 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. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners. Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000