RWR Military www.vishay.com Vishay Dale Wirewound Resistors, Military/Established Reliability, MIL-PRF-39007 Qualified, Type RWR, R Level, Axial Lead FEATURES • High temperature silicone coated • Complete welded construction • Qualified to MIL-PRF-39007 • Available in non-inductive styles (type N) with Aryton-Perry winding for lowest reactive components • “S” level failure rate available Note • “Terminal Wire and Winding” type “W” and “Z” are not listed below but are available upon request. Please reference MIL-PRF-39007 QPL for approved “failure rate” and “resistance tolerance/ranges” STANDARD ELECTRICAL SPECIFICATIONS MILITARY MODEL RWR81S RWR81N RWR82S RWR82N RWR80S RWR80N RWR71S RWR71N RWR89S RWR89N RWR74S RWR74N RWR84S RWR84N RWR78S RWR78N VISHAY REFERENCE MODEL POWER RATING P25 °C W EGS-1-80 EGN-1-80 EGS-2 EGN-2 EGS-3-80 EGN-3-80 ESS-2A ESN-2A ESS-2B ESN-2B ESS-5 ESN-5 EGS-10-80 EGN-10-80 ESS-10 ESN-10 1 1 2 2 2 2 2 2 3 3 5 5 7 7 10 10 RESISTANCE RANGE ± 0.1 % 0.499 to 1K 0.499 to 499 0.499 to 1.3K 0.499 to 649 0.499 to 3.16K 0.499 to 1.58K 0.499 to 12.1K 0.499 to 6.04K 0.499 to 4.12K 0.499 to 2.05K 0.499 to 12.1K 0.499 to 6.04K 0.499 to 12.4K 0.499 to 6.19K 0.499 to 39.2K 0.499 to 19.6K RESISTANCE RANGE ± 0.5 %, ± 1 % 0.1 to 1K 0.1 to 499 0.1 to 1.3K 0.1 to 649 0.1 to 3.16K 0.1 to 1.58K 0.1 to 12.1K 0.1 to 6.04K 0.1 to 4.12K 0.1 to 2.05K 0.1 to 12.1K 0.1 to 6.04K 0.1 to 12.4K 0.1 to 6.19K 0.1 to 39.2K 0.1 to 19.6K WEIGHT (typical) g 0.21 0.21 0.23 0.23 0.34 0.34 0.90 0.90 0.70 0.70 4.2 4.2 3.6 3.6 9.0 9.0 Note • RWR82S and RWR82N: Core consists of beryllium oxide ceramic GLOBAL PART NUMBER INFORMATION Global Part Numbering example: RWR74S49R9FSB12 R W R 7 4 S 4 9 R 9 F S B 1 2 MIL TYPE (5 digits) TERMINAL WIRE AND WINDING (1 digit) RESISTANCE VALUE (4 digits) TOLERANCE CODE (1 digit) FAILURE RATE (1 digit) PACKAGING CODE (3 digits) RWR71 RWR74 RWR78 RWR80 RWR81 RWR82 RWR84 RWR89 S = Solderable, inductive N = Solderable, non-inductive W = Weldable, inductive (1) Z = Weldable, non-inductive (1) 3 digit significant figure, followed by a multiplier B = ± 0.1 % D = ± 0.5 % F = ± 1.0 % M = 1.0 %/1000 h P = 0.1 %/1000 h R = 0.01 %/1000 h S = 0.001 %/1000 h B12 = Bulk pack S70 = Tape/reel (smaller than 5 W) S73 = Tape/reel (5 W and higher) BSL = Bulk pack, single lot date code RSL = Tape/reel, single lot date code 49R9 = 49.9 1000 = 100 1001 = 1000 Note Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values. (1) Revision: 30-Mar-12 1 Document Number: 30203 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 RWR Military www.vishay.com Vishay Dale DIMENSIONS in inches [millimeters] 1.50 [38.10] (1) min. A C B DIMENSIONS in inches [millimeters] MILITARY MODEL A B C RWR81 0.250 ± 0.031 [6.35 ± 0.787] 0.085 ± 0.020 [2.16 ± 0.508] 0.020 ± 0.0015 [0.508 ± 0.038] RWR82 0.312 ± 0.016 [7.92 ± 0.406] 0.078 + 0.016 - 0.031 [1.98 + 0.406 - 0.787] 0.020 ± 0.0015 [0.508 ± 0.038] RWR80 0.406 ± 0.031 [10.31 ± 0.787] 0.094 ± 0.031 [2.39 ± 0.787] 0.020 ± 0.0015 [0.508 ± 0.038] RWR71 0.812 ± 0.062 [20.62 ± 1.58] 0.187 ± 0.031 [4.75 ± 0.787] 0.032 ± 0.002 [0.813 ± 0.051] RWR89 0.560 ± 0.062 [14.22 ± 1.58] 0.187 ± 0.031 [4.75 ± 0.787] 0.032 ± 0.002 [0.813 ± 0.051] RWR74 0.875 ± 0.062 [22.23 ± 1.58] 0.312 ± 0.031 [7.92 ± 0.787] 0.040 ± 0.002 [1.02 ± 0.051] RWR84 0.875 ± 0.062 [22.23 ± 1.58] 0.312 ± 0.031 [7.92 ± 0.787] 0.040 ± 0.002 [1.02 ± 0.051] RWR78 1.780 ± 0.062 [45.21 ± 1.58] 0.375 ± 0.031 [9.525 ± 0.787] 0.040 ± 0.002 [1.02 ± 0.051] Note (1) On some standard reel pack methods, the leads may be trimmed to a shorter length than shown. TECHNICAL SPECIFICATIONS PARAMETER UNIT RWR RESISTOR CHARACTERISTICS VAC 500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger Short Time Overload - 5 x rated power for 5 s for 3 W size and smaller, 10 x rated power for 5 s for 5 W size and greater Maximum Working Voltage V (P x R)1/2 Insulation Resistance . 1000 M minimum dry, 100 M minimum after moisture test Terminal Strength lb 5 minimum for 2 W and smaller, 10 minimum for 3 W and larger - Meets requirements of ANSI J-STD-002 °C - 55 to + 250 Dielectric Withstanding Voltage Solderability Operating Temperature Range RESISTANCE TEMPERATURE COEFFICIENT RWR71 RWR74 RWR78 RWR80 RWR81 RWR82 RWR84 RWR89 TEMPERATURE COEFFICIENT RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE (ppm/°C) RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () ± 650 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 0.1 to 0.499 ± 400 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 0.505 to 1.0 ± 50 1.01 to 10 1.01 to 10 1.01 to 10 1.01 to 10 1.01 to 10 1.01 to 10 1.01 to 10 1.01 to 10 ± 30 10.1 to 73.2 10.1 to 158 10.1 to 453 - - - 10.1 to 158 10.1 to 42.2 ± 20 74.1 and above 160 and above 459 and above 10.1 and above 10.1 and above 10.1 and above 160 and above 42.7 and above Revision: 30-Mar-12 2 Document Number: 30203 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 RWR Military www.vishay.com Vishay Dale DERATING RATED POWER IN % MATERIAL SPECIFICATIONS Element: Copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core: Ceramic, beryllium oxide (1), steatite or alumina, depending on power requirement Coating: Special high temperature silicone Terminal and Winding: The terminal and the winding are identified by a letter symbol in the military type designation. Military symbol: S = Solderable, inductively wound W = Weldable, inductively wound N = Solderable, non-inductively wound Z = Weldable, non-inductively wound Terminals: Solderable - Tinned Copperweld® Weldable - bare nickel per MIL-STD-1276, Type N-1 End Caps: Stainless steel Part Marking: Source code, JAN, military PIN, date/lot code 120 100 80 60 40 20 0 - 65 - 50 0 25 50 150 250 AMBIENT TEMPERATURE IN °C Note (1) RWR82S and RWR82N: Core consists of beryllium oxide ceramic PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal Shock MIL-STD-202, method 107 ± (0.2 % + 0.005 ) R Short Time Overload 5 x rated power (RWR71, RWR80, RWR81, RWR89, RWR82), 10 x rated power (RWR74, RWR78, RWR84) for 5 s ± (0.2 % + 0.005 ) R Dielectric Withstanding Voltage 500 Vrms (RWR80, RWR81, RWR82), 1000 Vrms (RWR71, RWR74, RWR78, RWR84, RWR89), 1 min duration ± (0.1 % + 0.005 ) R ± (0.1 % + 0.005 ) R Low Temperature Storage - 55 °C for 24 h High Temperature Exposure 250 °C for 2000 h Moisture Resistance MIL-STD-202, method 106 ± (0.2 % + 0.005 ) R ± (1.0 % + 0.005 ) R (2) Shock, Specified Pulse MIL-STD-202, method 213, condition I ± (0.1 % + 0.005 ) R Vibration, High Frequency MIL-STD-202, method 204, condition D ± (0.1 % + 0.005 ) R Load Life 2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF” ± (0.5 % + 0.005 ) R Extended Life 10 000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.005 ) R Terminal Strength MIL-STD-202, method 211, condition A and C 5 pound (RWR80, RWR81, RWR82), 10 pound (RWR71, RWR74, RWR78, RWR84, RWR89) ± (0.1 % + 0.005 ) R Note (2) For resistance values above 100 , test limit is ± 1.0 %. 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