re military www.vishay.com vishay dale revision: 09-apr-13 1 document number: 30282 for technical questions, contact: ww2bresistors@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 wirewound resistors, military, mil-prf-18546 qualified, type re, aluminum housed, chassis mount features ? molded construction for to tal environmental protection ? complete welded construction ? qualified to mil-prf-18546 ? available in non-inductive styles (type n) with aryton-perry winding for lo west reactive components ? mounts on chassis to utilize heat-sink effect ? excellent stability in operation (< 1 % change in resistance) note ? only tolerance available for re type is 1 % standard electrical specifications military ? model vishay reference model power rating p 25 c w resistance range ? tolerance % weight (typical) g re60g rh005 5 0.10 to 3.32k 1 3 re60n nh005 5 1.0 to 1.65k 1 3.3 re65g rh010 10 0.10 to 5.62k 1 6 re65n nh010 10 1.0 to 2.8k 1 8.8 re70g rh025 20 0.10 to 12.1k 1 13 re70n nh025 20 1.0 to 6.04k 1 16.5 re75g rh050 30 0.10 to 39.2k 1 28 re75n nh050 30 1.0 to 19.6k 1 35 re77g rh100 75 0.05 to 29.4k 1 350 re77n nh100 75 1.0 to 14.7k 1 385 re80g rh250 120 0.10 to 35.7k 1 630 re80n nh250 120 1.0 to 17.4k 1 690 technical specifications parameter unit re resistor characteristics temperature coeffici ent ppm/c 20 for 10 ? and above; 50 for 1 ? to 9.9 ? ; 100 for 0.1 ? to 0.99 ? maximum working voltage v ( p x r ) 1/2 insulation resistance ? 10 000 m ? minimum dry, 1000 m ? minimum after moisture test solderability - mil-prf-18546 type - meet s requirements of ansi j-std-002 operating temperature range c - 55 to + 250 military part number information military part number ing example: re77n1302j01 mil type characteristic resistance value packaging code re60 re65 re70 re75 re77 re80 g = inductive n = non-inductive 3 digit significant figure, followed by a multiplier 49r9 = 49.9 ? 1000 = 100 ? 1001 = 1000 ? 1302 = 13 000 ? c02 = card pack j01 = skin pack r e 7 7 n 1 0 3 2 0 j 1
re military www.vishay.com vishay dale revision: 09-apr-13 2 document number: 30282 for technical questions, contact: ww2bresistors@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 dimensions in inches [millimeters] dimensions in inches [millimeters] military ? model dimensions in inches [millimeters] abcdefghjklmnp re60 0.444 0.005 [11.28 0.127] 0.490 0.005 [12.45 0.127] 0.600 0.030 [15.24 0.787] 1.125 0.062 [28.58 1.57] 0.334 0.015 [8.48 0.381] 0.646 0.015 [16.41 0.381] 0.320 0.015 [8.13 0.381] 0.065 0.010 [1.65 0.254] 0.133 0.010 [3.38 0.254] 0.078 0.010 [1.98 0.254] 0.093 0.005 [2.36 0.127] 0.078 0.015 [1.98 0.381] 0.050 0.005 [1.27 0.127] 0.266 0.062 [6.76 1.57] re65 0.562 0.005 [14.27 0.127] 0.625 0.005 [15.88 0.127] 0.750 0.031 [19.05 0.787] 1.375 0.062 [34.93 1.57] 0.420 0.015 [10.67 0.381] 0.800 0.015 [20.32 0.381] 0.390 0.015 [9.91 0.381] 0.075 0.010 [1.91 0.254] 0.165 0.010 [4.19 0.254] 0.093 0.010 [2.36 0.254] 0.094 0.005 [2.39 0.127] 0.102 0.015 [2.59 0.381] 0.085 0.005 [2.16 0.127] 0.312 0.062 [7.92 1.57] re70 0.719 0.005 [18.26 0.127] 0.781 0.005 [19.84 0.127] 1.062 0.031 [26.97 0.787] 1.938 0.062 [49.23 1.57] 0.550 0.015 [13.97 0.381] 1.080 0.015 [27.43 0.381] 0.546 0.015 [13.87 0.381] 0.075 0.010 [1.91 0.254] 0.231 0.010 [5.87 0.254] 0.172 0.010 [4.37 0.254] 0.125 0.005 [3.18 0.127] 0.115 0.015 [2.92 0.381] 0.085 0.005 [2.16 0.127] 0.438 0.062 [11.13 1.57] re75 1.562 0.005 [39.67 0.127] 0.844 0.005 [21.44 0.127] 1.968 0.031 [49.99 0.787] 2.781 0.062 [70.64 1.57] 0.630 0.015 [16.00 0.381] 1.140 0.015 [28.96 0.381] 0.610 0.015 [15.49 0.381] 0.088 0.010 [2.24 0.254] 0.260 0.010 [6.60 0.254] 0.196 0.010 [4.98 0.254] 0.125 0.005 [3.18 0.127] 0.107 0.015 [2.72 0.381] 0.085 0.005 [2.16 0.127] 0.438 0.062 [11.13 1.57] re60, re65 re70, re75 p d c a l m n j f e h g k b re80 re77 2.25 0.010 [57.15 0.254] 0.989 0.0 3 1 [25.12 0.787] 2.812 0.0 3 1 [71.42 0.787] 3 .50 0.0 3 1 [88.90 0.787] nickel plate d b rass nut stainless steel stu d 1.125 0.0 3 1 [28.58 0.787] 0.188 0.010 [4.78 0.254] dia. typ. 12 - 24 unc-2a th d . typ. 2.75 0.010 [69.85 0.254] 0. 3 75 0.0 3 1 [9.52 0.787] 5.478 0.09 3 [1 3 9.14 2. 3 6] 1.75 0.0 3 1 [44.45 0.787] 2.188 0.0 3 1 [55.58 0.787] 2.125 0.0 3 1 [5 3 .98 0.787] 0.250 0.0 3 1 [6. 3 5 0.787] typ. 4.50 0.0 3 1 [114. 3 0 0.787] 2.50 0.010 [6 3 .50 0.254] 7.0 0.09 3 [177.80 2. 3 6] 0.875 0.010 [22.2 3 0.254] 3 .0 0.010 [76.20 0.254] 3 .875 0.010 [98.42 0.254] 0.770 0.015 [19.56 0. 3 81] 0.188 0.0 3 1 [4.78 0.787] typ. 1.812 0.0 3 1 [46.02 0.787] 0. 3 12 0.0 3 1 [7.92 0.787] 1.25 0.062 [ 3 1.75 1.575] 1.25 0.062 [ 3 1.75 1.575] 1/4 - 20 unc-2a th d . typ. 0.955 0.015 [24.26 0. 3 81] 3 .0 0.0 3 1 [76.20 0.787] nickel plate d b rass nut stainless steel stu d 0.188 0.010 [4.78 0.254] dia. typ.
re military www.vishay.com vishay dale revision: 09-apr-13 3 document number: 30282 for technical questions, contact: ww2bresistors@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 power rating vishay re resistor wattage ra tings are based on mounting to the following heat sink: ? re60 and re65: 4" x 6" x 2" x 0.040" thick aluminum chassis ? re70 and re75: 5" x 7" x 2" x 0.040" thick aluminum chassis ? re77 and re80: 7" x 9" x 2" x 0.060" thick aluminum chassis ambient temperature derating derating is required for ambient tempera tures above 25 c when mounted to specified heat sink, see the following graph. reduced heat sink derating derating is also required when reco mmended heat sink area is reduced. free air power rating military ? model re60 re65 re70 re75 re77 re80 w at 25 c 368103075 rated power in % - 55 - 50 0 50 150 250 ambient temperature in c 25 120 0 20 40 60 80 100 1 1000 100 10 0 35 30 25 20 15 10 5 cha ss i s area in s quare inche s power in w re75 re70 re65 re60 1 1000 100 10 0 140 120 100 80 60 40 20 cha ss i s area in s quare inche s power in w re80 re77
re military www.vishay.com vishay dale revision: 09-apr-13 4 document number: 30282 for technical questions, contact: ww2bresistors@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 material specifications element: copper-nickel alloy or nickel-chrome alloy, depending on re sistance value core: ceramic, steatite or alum ina, depending on physical size encapsulant: silicone molded construction housing: aluminum with hard anodic coating end caps: stainless steel standard terminals: for re77 and re80 terminals are threaded stainless steel. all others are 60/40 tin/lead (sn/pb) w/nickel underplate on coppe r clad steel core terminal. part marking: dale, model, wattage, va lue, tolerance, date code non-inductive (type n) models of equivalent physical and electrical specifications are available with non-induct ive (aryton-perry) winding. they are identified by substituting the letter n for g in the model number (re60n, for example). performance test conditions of test test limits thermal shock rated power applied unt il thermally stable, ? then a minimum of 15 min at - 55 c (0.5 % + 0.05 ? ) ? r short time overload 5 x rated power for 5 s (0.5 % + 0.05 ? ) ? r dielectric withstanding voltage 1000 v rms for re60, re65 and re70; 2000 v rms for re75; ? 4500 v rms for re77 and re80; duration 1 min (0.2 % + 0.05 ? ) ? r temperature 250 c for 2 h (0.5 % + 0.05 ? ) ? r moisture resistance mil-st d-202 method 106, 7b not applicable (1.0 % + 0.05 ? ) ? r shock, specified pulse mil-std-202 method 213, 100 g s for 6 ms, 10 shocks (0.2 % + 0.05 ? ) ? r vibration, high frequency frequ ency varied 10 hz to 2000 hz, 20 g peak, 2 directions 6 h each (0.2 % + 0.05 ? ) ? r load life 1000 h at rated power, + 25 c, 1.5 h on, 0.5 h off (1.0 % + 0.05 ? ) ? r terminal strength 30 s, 5 pound pull test for re60 and re65, ? 10 pound pull test for other sizes; ? torque test - 24 pound inch for re77 and 32 pound inch for re80 (0.2 % + 0.05 ? ) ? r
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.
|
