GRE1 www.vishay.com vishay milwaukee revision: 17-jun-14 1 document number: 31833 for technical questions, contact: vishaymilwaukeeresistor@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 high power, high current grid resistors, 1 kw and larger features ? high power capability up to 6.5 kw at 40 c ? operating temperature range: -55 c to +400 c ? welded construction ? double insulated ? modular or custom designs ? multiple taps ? indoor and outdoor enclosures available ? material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 note ? standard nema 2 hole pattern standard electrical specifications global model power rating w resistance range tolerance % temperature coefficient ppm/c terminal style GRE1 1k to 6.5k 0.10 to 24 10 930 nema 2 hole dimensions in millimeters (inches) terminal style in millimeters (inches) top view front view 159 (6.26) 14 (0.55) 638 (25.12) 673 (26.50) 349.33 (13.75) 154.39 (6.08) a 44.5 (1.75) detail a s cale 1:1 14 (0.55)
GRE1 www.vishay.com vishay milwaukee revision: 17-jun-14 2 document number: 31833 for technical questions, contact: vishaymilwaukeeresistor@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 technical specifications parameter unit resistor characteristics power rating w 1k to 100k resistance range 0.1 to 24 (others avai lable upon request resistance tolerance % 10 tcr ppm/c 930 operating temperature c -55 to +400 temperature rise c 360 above an ambient of 40 c maximum altitude f.a.s.l. (m.a.s.l.) derate above 4921 f.a.s.l. (1500 m.a.s.l.) short-term overlo ad (surge) 25 x, 15 x, or 10 x rate d power for 5 s (v aries by wattage) surge windings n/a maximum working voltage ( p x r ) 1/2 insulation resistance 1m dielectric voltage v rms 2500 for 60 s creepage inch (mm) 1.18 (30) typical terminal sleeves n/a inductance h 5 to 40 (varies by wattage and resistance) non-inductive winding n/a terminal strength lb n/a electrical or mechanical customization consult factory: www.vishay.com/milwaukee/contact derating curve material specifications plate element stainless steel insulators ceramic -20 ambient temperature in c rated power in % 120 0 100 80 60 40 20 40 100 160 220 280 340 400
GRE1 www.vishay.com vishay milwaukee revision: 17-jun-14 3 document number: 31833 for technical questions, contact: vishaymilwaukeeresistor@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 global part number information global part numbering example: gre 12r128k23b1234a (GRE1-1234a ip23 2.128 10 % b) GRE12r128k23b1234a model (2 digits) element type (2 digits) value (5 digits) tolerance (1 digit) enclosure (2 digits) packaging (1 digit) special (5 digits) gr e1 = 325 w es = special r = decimal l = milli 2r128 = 2.128 9l000 = 0.009 j = 5.0 % k = 10 % k = standard for all types and values ipxx = ip rating 00 = nema 0 (open) 20 = nema 1 (screen) 23 = nema 3 (outdoor) b = bulk allowable range 00000 to zzzzz alphanumeric engineering controlled internal document number engineered-to-order customizations custom element designs to meet electrical and mechanical constraints one or multiple resistors in an ip rated enclosure contact the factory: vishaymilwaukeeresistors@vishay.com
legal disclaimer notice www.vishay.com vishay revision: 02-oct-12 1 document number: 91000 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 employee s, and all persons acting on it s or their behalf (collectivel y, vishay), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, repres entation or guarantee regarding the suitabilit y of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicable law, vi shay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all i mplied warranties, including warra nties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of products for certain type s of applications are based on vishays 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 customers responsib ility to validate that a particu lar product with the properties descri bed in the product specification is suitable fo r use in a particular application. parameters provided in datasheets and/or specification s may vary in different applications an d performance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vish ays terms and condit ions of purchase, including but not limited to the warranty expressed therein. except as expressly indicate d 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 vi shay 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. pleas e contact authorized vishay personnel to ob tain written terms and conditions regarding products designed for such applications. no license, express or implied, by estoppel or otherwise, to any intellectual prope rty rights is granted by this document or by any conduct of vishay. product names and markings noted herein may be trad emarks of their respective owners. material category policy vishay intertechnology, inc. hereby certi fies that all its products that are id entified as rohs-compliant fulfill the definitions and restrictions defined under directive 2011/65/eu of the euro pean 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 otherwis e 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 certifi es that all its products that are identified as ha logen-free follow halogen-free requirements as per jedec js709a stan dards. please note that some vishay documentation may still make reference to the iec 61249-2-21 definition. we co nfirm that all the products identified as being compliant to iec 61249-2-21 conform to jedec js709a standards.
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