ESS, ESW, ESN, EGS, EGW, EGN Vishay Dale Wirewound Resistors, Military/Established Reliability MIL-PRF-39007 Qualified, Type RWR, R Level FEATURES • High temperature silicone coated • Complete welded construction • Qualified to MIL-PRF-39007 • Available in non-inductive styles (types ESN and EGN) with Aryton-Perry winding for lowest reactive components • “S” level failure rate available STANDARD ELECTRICAL SPECIFICATIONS MIL-PRF-39007 MODEL EGS-1-80 EGW-1 EGN-1-80 EGN-1-10 EGS-2 EGW-2 EGN-2 EGN-2-10 EGS-3-80 EGW-3 EGN-3-80 EGN-3-10 ESS-2A ESW-2A ESN-2A ESN-2A-10 ESS-2B ESW-2B ESN-2B ESN-2B-10 ESS-5 ESW-5 ESN-5 ESN-5-10 EGS-10-80 EGW-10 EGN-10-80 EGN-10-10 ESS-10 ESW-10 ESN-10 ESN-10-10 TYPE RWR81S RWR81W RWR81N RWR81Z RWR82S RWR82W RWR82N RWR82Z RWR80S RWR80W RWR80N RWR80Z RWR71S RWR71W RWR71N RWR71Z RWR89S RWR89W RWR89N RWR89Z RWR74S RWR74W RWR74N RWR74Z RWR84S RWR84W RWR84N RWR84Z RWR78S RWR78W RWR78N RWR78Z POWER RATING P25°C W 1 1 1 1 1.5 1.5 1.5 1.5 2 2 2 2 2 2 2 2 3 3 3 3 5 5 5 5 7 7 7 7 10 10 10 10 MILITARY RANGE Ω ± 0.1% 0.499 - 1k 0.499 - 1k 0.499 - 499 0.499 - 499 0.499 - 1.3k 0.499 - 1.3k 0.499 - 649 0.499 - 649 0.499 - 3.16k 0.499 - 3.16k 0.499 - 1.58k 0.499 - 1.58k 0.499 - 12.1k 0.499 - 12.1k 0.499 - 6.04k 0.499- 6.04k 0.499 - 4.12k 0.499 - 4.12k 0.499 - 2.05k 0.499 - 2.05k 0.499 - 12.1k 0.499 - 12.1k 0.499 - 6.04k 0.499 - 6.04k 0.499 - 12.4k 0.499 - 12.4k 0.499- 6.19k 0.499- 6.19k 0.499 - 39.2k 0.499 - 39.2k 0.499- 19.6k 0.499- 19.6k ± 0.5 & ± 1% 0.1 - 1k 0.1 - 1k 0.1 - 499 0.1 - 499 0.1 - 1.3k 0.1 - 1.3k 0.1 - 649 0.1 - 649 0.1 - 3.16k 0.1 - 3.16k 0.1 - 1.58k 0.1 - 1.58k 0.1 - 12.1k 0.1 - 12.1k 0.1 - 6.04k 0.1 - 6.04k 0.1 - 4.12k 0.1 - 4.12k 0.1 - 2.05k 0.1 - 2.05k 0.1 - 12.1k 0.1 - 12.1k 0.1 - 6.04k 0.1 - 6.04k 0.1 - 12.4k 0.1 - 12.4k 0.1 - 6.19k 0.1 - 6.19k 0.1 - 39.2k 0.1 - 39.2k 0.1 - 19.6k 0.1 - 19.6k WEIGHT (Typical) g 0.21 0.21 0.21 0.21 0.23 0.23 0.23 0.23 0.34 0.34 0.34 0.34 0.90 0.90 0.90 0.90 0.70 0.70 0.70 0.70 4.2 4.2 4.2 4.2 3.6 3.6 3.6 3.6 9.0 9.0 9.0 9.0 ORDERING INFORMATION RWR74 MILITARY TYPE www.vishay.com 126 S TERMINAL WIRE AND WINDING 49R9 RESISTANCE F TOLERANCE For technical questions, contact [email protected] M FAILURE RATE Document Number 30203 Revision 23-Sep-02 ESS, ESW, ESN, EGS, EGW, EGN Vishay Dale Wirewound Resistors, Military/Established Reliability MIL-PRF-39007 Qualified, Type RWR, R Level DIMENSIONS A 1.50 [38.10]* Min. MODEL RWR81 RWR82 C B MIL-PRF-39007 *On some standard reel pack methods, the leads may be trimmed to a shorter length than shown. RWR80 RWR71 MATERIAL SPECIFICATIONS APPLICABLE MIL-SPECIFICATION MIL-PRF-39007: This is the military specification covering axial lead established reliability power wirewound resistors. Vishay Dale ESS, ESW, EGS, EGW, ESN and EGN resistors meet or exceed the electrical, environmental and dimensional requirements of this specification. RWR89 RWR74 RWR84 RWR78 RATED POWER IN % Element: Copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core: Ceramic, Beryllium oxide, 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 DIMENSIONS - in inches [millimeters] A 0.250 ± 0.031 [6.35 ± 0.787] 0.312 ± 0.016 [7.92 ± 0.406] 0.406 ± 0.031 [10.31 ± 0.787] 0.812 ± 0.062 [20.62 ± 1.58] 0.560 ± 0.062 [14.22 ± 1.58] 0.875 ± 0.062 [22.23 ± 1.58] 0.875 ± 0.062 [22.23 ± 1.58] 1.780 ± 0.062 [45.21 ± 1.58] B .085 ± 0.020 [2.16 ± 0.508] 0.078 + 0.016 - 0.031 [1.98 + 0.406 - 0.787] 0.094 ± 0.031 [2.39 ± 0.787] 0.187 ± 0.031 [4.75 ± 0.787] 0.187 ± 0.031 [4.75 ± 0.787] 0.312 ± 0.031 [7.92 ± 0.787] 0.312 ± 0.031 [7.92 ± 0.787] 0.375 ± 0.031 [9.53 ± 0.787] C 0.020 ± 0.0015 [0.508 ± 0.038] 0.020 ± 0.0015 [0.508 ± 0.038] 0.020 ± 0.0015 [0.508 ± 0.038] 0.032 ± 0.002 [0.813 ± 0.051] 0.032 ± 0.002 [0.813 ± 0.051] 0.040 ± 0.002 [1.02 ± 0.051] 0.040 ± 0.002 [1.02 ± 0.051] 0.040 ± 0.002 [1.02 ± 0.051] 120 100 80 60 40 20 0 -65-50 0 25 50 Derating 150 250 AMBIENT TEMPERATURE IN °C TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient Dielectric Withstanding Voltage Short Time Overload UNIT ppm/°C VAC - Maximum Working Voltage Insulation Resistance Terminal Strength Solderability Operating Temperature Range V Ω lb °C ESS, ESW, ESN, EGS, EGW, EGN RESISTOR CHARACTERISTICS ± 650 for 0.1Ω to 0.499Ω, ± 400 for 0.505Ω to 1Ω, ± 50 for 1.1Ω to 10Ω, ± 20 for 10Ω and above 500 minimum for 2 watt and smaller, 1000 minimum for 3 watt and larger 5 x rated power for 5 seconds for 3 watt size and smaller, 10 x rated power for 5 seconds for 5 watt size and greater (P x R)1/2 1000 Megohm minimum dry, 100 Megohm minimum after moisture test 5 minimum for 2 watt and smaller, 10 minimum for 3 watt and larger Meets requirements of ANSI J-STD-002 - 65/+ 250 PERFORMANCE TEST Thermal Shock Short Time Overload Dielectric Withstanding Voltage Low Temperature Storage High Temperature Exposure Moisture Resistance Shock, Specified Pulse Vibration, High Frequency Load Life Extended Life Terminal Strength CONDITIONS OF TEST MIL-STD-2.2, Method 303 5 x rated power (RWR71, 80, 81, 89, 82), 10 x rated power (RWR74, 78, 84) for 5 seconds 500Vrms (RWR80, 81, 82), 1000Vrms (RWR71, 74, 78, 84, 89), 1 minute duration - 65°C for 24 hours 250°C for 2000 hours MIL-STD-202, Method 106 MIL-STD-202, Method 205, Condition C MIL-STD-202, Method 204, Condition D 2000 hours at rated power, + 25°C, 1.5 hours “ON”, 0.5 hours “OFF” 10,000 hours at rated power, + 25°C, 1.5 hours “ON”, 0.5 hours “OFF” MIL-STD-202, Method 211, Condition A and C 5 pound (RWR80, 81, 82), 10 pound (RWR71, 74, 78, 84, 89) TEST LIMITS ± (0.2% + 0.005Ω) ∆R ± (0.2% + 0.005Ω) ∆R ± (0.1% + 0.005Ω) ∆R ± (0.1% + 0.005Ω) ∆R ± (1.0% + 0.005Ω) ∆R* ± (0.2% + 0.005Ω) ∆R ± (0.1% + 0.005Ω) ∆R ± (0.1% + 0.005Ω) ∆R ± (0.5% + 0.005Ω) ∆R ± (1.0% + 0.005Ω) ∆R ± (0.1% + 0.005Ω) ∆R *For resistance values above 100 ohms, Test Limit is ± 1.0%. Document Number 30203 Revision 23-Sep-02 For technical questions, contact [email protected] www.vishay.com 127