C&H Technology EGN User Manual
Vishay dale

Wirewound Resistors, Military/Established Reliability
MIL-PRF-39007 Qualified, Type RWR, R Level
ESS, ESN, EGS, EGN
Vishay Dale
www.vishay.com
For technical questions, contact: [email protected]
document number: 30203
158
Revision: 22-Oct-08
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
• 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”
Note
(1)
Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
MIL-PRF-39007
TYPE
POWER RATING
P
25 °C
W
MILITARY RESISTANCE RANGE
Ω
WEIGHT
(typical) g
± 0.1 %
± 0.5 % and ± 1 %
EGS-1-80
RWR81S
1
0.499 - 1K
0.1 - 1K
0.21
EGN-1-80
RWR81N
1
0.499 - 499
0.1 - 499
0.21
EGS-2
RWR82S
2
0.499 - 1.3K
0.1 - 1.3K
0.23
EGN-2
RWR82N
2
0.499 - 649
0.1 - 649
0.23
EGS-3-80
RWR80S
2
0.499 - 3.16K
0.1 - 3.16K
0.34
EGN-3-80
RWR80N
2
0.499 - 1.58K
0.1 - 1.58K
0.34
ESS-2A
RWR71S
2
0.499 - 12.1K
0.1 - 12.1K
0.90
ESN-2A
RWR71N
2
0.499 - 6.04K
0.1 - 6.04K
0.90
ESS-2B
RWR89S
3
0.499 - 4.12K
0.1 - 4.12K
0.70
ESN-2B
RWR89N
3
0.499 - 2.05K
0.1 - 2.05K
0.70
ESS-5
RWR74S
5
0.499 - 12.1K
0.1 - 12.1K
4.2
ESN-5
RWR74N
5
0.499 - 6.04K
0.1 - 6.04K
4.2
EGS-10-80
RWR84S
7
0.499 - 12.4K
0.1 - 12.4K
3.6
EGN-10-80
RWR84N
7
0.499 - 6.19K
0.1 - 6.19K
3.6
ESS-10
RWR78S
10
0.499 - 39.2K
0.1 - 39.2K
9.0
ESN-10
RWR78N
10
0.499 - 19.6K
0.1 - 19.6K
9.0
GLOBAL PART NUMBER INFORMATION
Global/Military Part Numbering: RWR74S49R9FSB12
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, noninductive
W = Weldable, inductive
(1)
Z = Weldable, noninductive
(1)
3 digit significant figure,
followed by a multiplier
49R9 = 49.9
Ω
1000 = 100
Ω
1001 = 1000
Ω
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
7
4
S
4
R
9
F
9
W
R
S
B
1
R
2