RWR81S3740FSB12 Vishay

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 Ayrton-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 RESISTANCE RANGE RESISTANCE RANGE VISHAY REFERENCE POWER RATING WEIGHT MILITARY MODEL MODEL P W (typical) g 25 C 0.1 % 0.5 %, 1 % RWR81S EGS-1-80 1 0.499 to 1K 0.1 to 1K 0.21 RWR81N EGN-1-80 1 0.499 to 499 0.1 to 499 0.21 RWR82S EGS-2 2 0.499 to 1.3K 0.1 to 1.3K 0.23 RWR82N EGN-2 2 0.499 to 649 0.1 to 649 0.23 RWR80S EGS-3-80 2 0.499 to 3.16K 0.1 to 3.16K 0.34 RWR80N EGN-3-80 2 0.499 to 1.58K 0.1 to 1.58K 0.34 RWR71S ESS-2A 2 0.499 to 12.1K 0.1 to 12.1K 0.90 RWR71N ESN-2A 2 0.499 to 6.04K 0.1 to 6.04K 0.90 RWR89S ESS-2B 3 0.499 to 4.12K 0.1 to 4.12K 0.70 RWR89N ESN-2B 3 0.499 to 2.05K 0.1 to 2.05K 0.70 RWR74S ESS-5 5 0.499 to 12.1K 0.1 to 12.1K 4.2 RWR74N ESN-5 5 0.499 to 6.04K 0.1 to 6.04K 4.2 RWR84S EGS-10-80 7 0.499 to 12.4K 0.1 to 12.4K 3.6 RWR84N EGN-10-80 7 0.499 to 6.19K 0.1 to 6.19K 3.6 RWR78S ESS-10 10 0.499 to 39.2K 0.1 to 39.2K 9.0 RWR78N ESN-10 10 0.499 to 19.6K 0.1 to 19.6K 9.0 Note RWR82S and RWR82N: Core consists of beryllium oxide ceramic GLOBAL PART NUMBER INFORMATION Global Part Numbering example: RWR74S49R9FSB12 R WR 74 S 4 9 R 9 F SB 1 2 MIL TYPE TERMINAL WIRE AND WINDING RESISTANCE VALUE TOLERANCE CODE FAILURE RATE PACKAGING CODE (5 digits) (1 digit) (4 digits) (1 digit) (1 digit) (3 digits) RWR71 S = Solderable, inductive 3 digit significant figure, B = 0.1 % M = 1.0 %/1000 h B12 = Bulk pack followed by a multiplier RWR74 N = Solderable, non-inductive D = 0.5 % P = 0.1 %/1000 h S70 = Tape/reel (1) RWR78 W = Weldable, inductive F = 1.0 % R = 0.01 %/1000 h (smaller than 5 W) 49R9 = 49.9 (1) RWR80 Z = Weldable, non-inductive S = 0.001 %/1000 h S73 = Tape/reel 1000 = 100 RWR81 (5 W and higher) 1001 = 1000 RWR82 BSL = Bulk pack, RWR84 single lot date code RWR89 RSL = Tape/reel, single lot date code Note (1) Note that W and Z are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values. Revision: 11-Jul-13 Document Number: 30203 1 For technical questions, contact: ww2aresistors 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 RWR Military www.vishay.com Vishay Dale DIMENSIONS in inches millimeters (1) 1.50 38.10 A min. C B DIMENSIONS in inches millimeters MILITARY MODEL AB 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 Dielectric Withstanding Voltage V 500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger AC 5 x rated power for 5 s for 3 W size and smaller, Short Time Overload - 10 x rated power for 5 s for 5 W size and greater 1/2 Maximum Working Voltage V (P x R) 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 Solderability - Meets requirements of ANSI J-STD-002 Operating Temperature Range C - 55 to + 250 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 max. 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 max. 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 74.1 160 459 10.1 10.1 10.1 160 42.7 20 and above and above and above and above and above and above and above and above Revision: 11-Jul-13 Document Number: 30203 2 For technical questions, contact: ww2aresistors 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