Electronic Components Datasheet Search |
|
RWR71N49R9B Datasheet(PDF) 2 Page - Vishay Siliconix |
|
RWR71N49R9B Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 3 page document number: 30203 For technical questions, contact: ww2bresistors@vishay.com www.vishay.com Revision: 22-Oct-08 159 ESS, ESN, EGS, EGN Wirewound Resistors, Military/Established Reliability MIL-PRF-39007 Qualified, Type RWR, R Level Vishay Dale DIMENSIONS in inches [millimeters] Note (1) On some standard reel pack methods, the leads may be trimmed to a shorter length than shown MATERIAL SPECIFICATIONS 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 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. Note • For resistance values above 100 Ω, test limit is ± 1.0 % B 1.50 [38.10] (1) min. A C MIL-PRF-39007 DIMENSIONS in inches [millimeters] 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] 0.312 ± 0.031 [7.92 ± 0.787] 0.040 ± 0.002 [1.02 ± 0.051] Derating AMBIENT TEMPERATURE IN °C 25 0 20 40 60 80 100 120 - 65 - 50 0 50 150 250 TECHNICAL SPECIFICATIONS PARAMETER UNIT RWR RESISTOR CHARACTERISTICS Temperature Coefficient ppm/°C ± 650 for 0.1 Ω to 0.499 Ω, ± 400 for 0.505 Ω to 1 Ω, ± 50 for 1.1 Ω to 10 Ω, ± 20 for 10 Ω and above Dielectric Withstanding Voltage 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 Ω minimum dry, 100 MΩ minimum after moisture test Terminal Strength lb 5 minimum for 2 W and smaller, 10 minimum for 3 W and larger Solderability - Meets requirements of ANSI J-STD-002 Operating Temperature Range °C - 65 to + 250 PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal Shock MIL-STD-2.2, Method 303 ± (0.2 % + 0.005 Ω) ΔR Short Time Overload 5 x rated power (RWR71, 80, 81, 89, 82), 10 x rated power (RWR74, 78, 84) for 5 s ± (0.2 % + 0.005 Ω) ΔR Dielectric Withstanding Voltage 500 Vrms (RWR80, 81, 82), 1000 Vrms (RWR71, 74, 78, 84, 89), 1 min duration ± (0.1 % + 0.005 Ω) ΔR Low Temperature Storage - 65 °C for 24 h ± (0.1 % + 0.005 Ω) ΔR High Temperature Exposure 250 °C for 2000 h ± (1.0 % + 0.005 Ω) ΔR Moisture Resistance MIL-STD-202, Method 106 ± (0.2 % + 0.005 Ω) ΔR Shock, Specified Pulse MIL-STD-202, Method 205, condition C ± (0.1 % + 0.005 Ω) ΔR Vibration, High Frequency MIL-STD-202, Method 204, condition D ± (0.1 % + 0.005 Ω) ΔR Load Life 2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF” ± (0.5 % + 0.005 Ω) ΔR Extended Life 10 000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.005 Ω) ΔR Terminal Strength MIL-STD-202, Method 211, condition A and C 5 pound (RWR80, 81, 82), 10 pound (RWR71, 74, 78, 84, 89) ± (0.1 % + 0.005 Ω) ΔR |
Similar Part No. - RWR71N49R9B |
|
Similar Description - RWR71N49R9B |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |