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
RESISTANCE RANGE RESISTANCE RANGE
POWER RATING
WEIGHT
VISHAY REFERENCE
MODEL
MILITARY MODEL
P
25 °C W
(typical) g
0.1 %
0.499 to 1K
0.5 %, 1 %
0.1 to 1K
RWR81S
RWR81N
RWR82S
RWR82N
RWR80S
RWR80N
RWR71S
RWR71N
RWR89S
RWR89N
RWR74S
RWR74N
RWR84S
RWR84N
RWR78S
RWR78N
EGS-1-80
EGN-1-80
EGS-2
1
1
2
2
2
2
2
2
3
3
5
5
7
7
10
10
0.21
0.21
0.23
0.23
0.34
0.34
0.90
0.90
0.70
0.70
4.2
0.499 to 499
0.1 to 499
0.499 to 1.3K
0.499 to 649
0.1 to 1.3K
0.1 to 649
EGN-2
EGS-3-80
EGN-3-80
ESS-2A
ESN-2A
ESS-2B
ESN-2B
ESS-5
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
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
ESN-5
4.2
3.6
3.6
9.0
EGS-10-80
EGN-10-80
ESS-10
ESN-10
9.0
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RWR RESISTOR CHARACTERISTICS
Temperature Coefficient
DielectricWithstandingVoltage
ppm/°C 20 for 10 and above; 50 for 1.1 to 10 ; 400 for 0.505 to 1 ; 650 for 0.1 to 0.499
VAC
-
500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger
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
Maximum Working Voltage
Insulation Resistance
Terminal Strength
Solderability
Operating Temperature Range
V
.
(P x R)1/2
1000 M minimum dry, 100 M minimum after moisture test
5 minimum for 2 W and smaller, 10 minimum for 3 W and larger
Meets requirements of ANSI J-STD-002
- 65 to + 250
lb
-
°C
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 TERMINAL WIRE AND WINDING RESISTANCE VALUE TOLERANCE CODE
FAILURE RATE
PACKAGING CODE
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
(1)
Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values.
Revision: 12-Sep-11
Document Number: 30203
1
For technical questions, contact: ww2bresistors@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