RE Military www.vishay.com Vishay Dale Wirewound Resistors, Military, MIL-PRF-18546 Qualified, Type RE, Aluminum Housed, Chassis Mount FEATURES • • • • Molded construction for total environmental protection Complete welded construction Qualified to MIL-PRF-18546 Available in non-inductive styles (type N) with Ayrton-Perry winding for lowest reactive components • Mounts on chassis to utilize heat-sink effect • Excellent stability in operation (< 1 % change in resistance) STANDARD ELECTRICAL SPECIFICATIONS VISHAY REFERENCE MODEL POWER RATING P25 °C W RESISTANCE RANGE RE60G RH005 5 0.10 to 3.32K 1 3 RE60N NH005 5 1.0 to 1.65K 1 3.3 MILITARY MODEL WEIGHT (typical) g TOLERANCE ±% 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 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 - meets requirements of ANSI J-STD-002 °C -55 to +250 Temperature Coefficient Operating Temperature Range MILITARY PART NUMBER INFORMATION Military Part Numbering example: RE77N1302J01 R E 7 7 N 1 3 0 2 J 0 1 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 C02 = Card pack J01 = Skin pack 49R9 = 49.9 1000 = 100 1001 = 1000 1302 = 13 000 Note • Only tolerance available for RE type is ± 1 %. Revision: 02-May-16 Document Number: 30282 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 RE Military www.vishay.com Vishay Dale DIMENSIONS in inches [millimeters] D C A RE60, RE65 RE70, RE75 F E M N G J B P MILITARY MODEL H L K DIMENSIONS in inches [millimeters] A B C D E F G H J K L M N P RE60 0.600 0.490 0.444 ± 0.005 ± 0.005 ± 0.030 [11.28 [12.45 [15.24 ± 0.127] ± 0.127] ± 0.787] 0.050 0.266 0.078 0.093 0.078 0.133 0.065 0.320 0.646 1.125 0.334 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ± 0.062 [6.76 [1.27 [1.98 [2.36 [1.98 [3.38 [1.65 [8.13 [16.41 [8.48 [28.58 ± 1.57] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] ± 1.57] RE65 0.750 0.625 0.562 ± 0.005 ± 0.005 ± 0.031 [14.27 [15.88 [19.05 ± 0.127] ± 0.127] ± 0.787] 0.085 0.312 0.102 0.094 0.093 0.165 0.075 0.390 0.800 1.375 0.420 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 ± 0.062 [34.93 [10.67 [20.32 [7.92 [2.16 [2.59 [2.39 [2.36 [4.19 [1.91 [9.91 ± 1.57] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] ± 1.57] RE70 1.062 0.781 0.719 ± 0.005 ± 0.005 ± 0.031 [18.26 [19.84 [26.97 ± 0.127] ± 0.127] ± 0.787] 0.085 0.115 0.125 0.172 0.231 0.075 0.546 1.080 1.938 0.550 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 [2.16 [2.92 [3.18 [4.37 [5.87 [1.91 [49.23 [13.97 [27.43 [13.87 ± 1.57] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] 0.438 ± 0.062 [11.13 ± 1.57] RE75 1.968 1.562 0.844 ± 0.005 ± 0.005 ± 0.031 [39.67 [21.44 [49.99 ± 0.127] ± 0.127] ± 0.787] 0.085 0.107 0.125 0.196 0.260 0.088 0.610 1.140 2.781 0.630 ± 0.062 ± 0.015 ± 0.015 ± 0.015 ± 0.010 ± 0.010 ± 0.010 ± 0.005 ± 0.015 ± 0.005 [2.16 [2.72 [3.18 [4.98 [6.60 [2.24 [70.64 [16.00 [28.96 [15.49 ± 1.57] ± 0.381] ± 0.381] ± 0.381] ± 0.254] ± 0.254] ± 0.254] ± 0.127] ± 0.381] ± 0.127] 0.438 ± 0.062 [11.13 ± 1.57] DIMENSIONS in inches [millimeters] RE77 Nickel plated brass nut stainless steel stud 3.50 ± 0.031 [88.90 ± 0.787] 0.188 ± 0.010 [4.78 ± 0.254] Dia. typ. 1.812 ± 0.031 [46.02 ± 0.787] 1.125 ± 0.031 [28.58 ± 0.787] 2.812 ± 0.031 [71.42 ± 0.787] 1.75 ± 0.031 [44.45 ± 0.787] 2.25 ± 0.010 [57.15 ± 0.254] 12 - 24 UNC-2A Thd. typ. RE80 Nickel plated brass nut stainless steel stud 0.375 ± 0.031 [9.52 ± 0.787] 2.75 ± 0.010 [69.85 ± 0.254] 5.478 ± 0.093 [139.14 ± 2.36] 0.188 ± 0.010 [4.78 ± 0.254] Dia. typ. 4.50 ± 0.031 [114.30 ± 0.787] Revision: 02-May-16 1/4 - 20 UNC-2A thd. typ. 0.188 ± 0.031 0.770 ± 0.015 [4.78 ± 0.787] [19.56 ± 0.381] typ. 2.125 ± 0.031 [53.98 ± 0.787] 1.25 ± 0.062 [31.75 ± 1.575] 3.0 ± 0.031 [76.20 ± 0.787] 0.312 ± 0.031 [7.92 ± 0.787] 0.989 ± 0.031 [25.12 ± 0.787] 2.188 ± 0.031 [55.58 ± 0.787] 2.50 ± 0.010 [63.50 ± 0.254] 0.875 ± 0.010 [22.23 ± 0.254] 3.0 ± 0.010 [76.20 ± 0.254] 3.875 ± 0.010 [98.42 ± 0.254] 7.0 ± 0.093 [177.80 ± 2.36] 1.25 ± 0.062 [31.75 ± 1.575] 0.250 ± 0.031 [6.35 ± 0.787] typ. 0.955 ± 0.015 [24.26 ± 0.381] Document Number: 30282 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 RE Military www.vishay.com Vishay Dale POWER RATING Vishay RE resistor wattage ratings 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 FREE AIR POWER RATING MILITARY MODEL RE60 RE65 RE70 RE75 RE77 RE80 W at 25 °C 3 6 8 10 30 75 AMBIENT TEMPERATURE DERATING RATED POWER IN % Derating is required for ambient temperatures above 25 °C when mounted to specified heat sink, see the following graph. 120 100 80 60 40 20 0 - 55 - 50 0 50 150 25 250 AMBIENT TEMPERATURE IN °C REDUCED HEAT SINK DERATING 35 RE75 30 25 RE70 20 15 140 RE80 120 100 RE77 80 60 RE65 10 RE60 5 0 POWER IN W POWER IN W Derating is also required when recommended heat sink area is reduced. 1 Revision: 02-May-16 10 100 1000 CHASSIS AREA IN SQUARE INCHES 40 20 0 1 10 100 1000 CHASSIS AREA IN SQUARE INCHES Document Number: 30282 3 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 RE Military www.vishay.com Vishay Dale MATERIAL SPECIFICATIONS NON-INDUCTIVE (TYPE N) Element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value Models of equivalent physical and electrical specifications are available with non-inductive (Ayrton-Perry) winding. They are identified by substituting the letter N for G in the model number (RE60N, for example). Core: ceramic, steatite or alumina, 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 copper clad steel core terminal. Part Marking: Dale, model, wattage, value, tolerance, date code PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal Shock Rated power applied until thermally stable, then a minimum of 15 min at -55 °C ± (0.5 % + 0.05 ) R Short Time Overload 5x rated power for 5 s ± (0.5 % + 0.05 ) R Dielectric Withstanding Voltage 1000 VRMS for RE60, RE65 and RE70; 2000 VRMS for RE75; 4500 VRMS 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-STD-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 Frequency 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 Revision: 02-May-16 Document Number: 30282 4 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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