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RWR74S49R9BPS70 Datasheet(PDF) 1 Page - Vishay Siliconix

Part # RWR74S49R9BPS70
Description  Wirewound Resistors
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

RWR74S49R9BPS70 Datasheet(HTML) 1 Page - Vishay Siliconix

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RWR Military
www.vishay.com
Vishay Dale
Revision: 30-Mar-12
1
Document Number: 30203
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
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”
Note
• RWR82S and RWR82N: Core consists of beryllium oxide ceramic
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
MILITARY MODEL
VISHAY REFERENCE
MODEL
POWER RATING
P25 °C W
RESISTANCE RANGE
 RESISTANCE RANGE 
WEIGHT
(typical) g
± 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
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: RWR74S49R9FSB12
MIL TYPE
(5 digits)
TERMINAL WIRE AND WINDING
(1 digit)
RESISTANCE VALUE
(4 digits)
TOLERANCE CODE
(1 digit)
FAILURE RATE
(1 digit)
PACKAGING CODE
(3 digits)
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
49R9 = 49.9
1000 = 100
1001 = 1000
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
74
S
4
R
9
F
9
WR
SB
1
R
2


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