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RWR74S49R9BPS70 Datasheet

Wirewound Resistors

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www.vishay.com
RWR Military
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
MILITARY MODEL
RWR81S
RWR81N
RWR82S
RWR82N
RWR80S
RWR80N
RWR71S
RWR71N
RWR89S
RWR89N
RWR74S
RWR74N
RWR84S
RWR84N
RWR78S
RWR78N
VISHAY REFERENCE
MODEL
EGS-1-80
EGN-1-80
EGS-2
EGN-2
EGS-3-80
EGN-3-80
ESS-2A
ESN-2A
ESS-2B
ESN-2B
ESS-5
ESN-5
EGS-10-80
EGN-10-80
ESS-10
ESN-10
POWER RATING
P25 °C W
1
1
2
2
2
2
2
2
3
3
5
5
7
7
10
10
Note
• RWR82S and RWR82N: Core consists of beryllium oxide ceramic
RESISTANCE RANGE
± 0.1 %
0.499 to 1K
0.499 to 499
0.499 to 1.3K
0.499 to 649
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
RESISTANCE RANGE
± 0.5 %, ± 1 %
0.1 to 1K
0.1 to 499
0.1 to 1.3K
0.1 to 649
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
WEIGHT
(typical) g
0.21
0.21
0.23
0.23
0.34
0.34
0.90
0.90
0.70
0.70
4.2
4.2
3.6
3.6
9.0
9.0
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: RWR74S49R9FSB12
RWR 7 4 S 4 9 R 9 F S B 1 2
MIL TYPE
(5 digits)
RWR71
RWR74
RWR78
RWR80
RWR81
RWR82
RWR84
RWR89
TERMINAL WIRE AND WINDING
(1 digit)
S = Solderable, inductive
N = Solderable, non-inductive
W = Weldable, inductive (1)
Z = Weldable, non-inductive (1)
RESISTANCE VALUE
(4 digits)
3 digit significant figure,
followed by a multiplier
49R9 = 49.9
1000 = 100
1001 = 1000
TOLERANCE CODE
(1 digit)
B = ± 0.1 %
D = ± 0.5 %
F = ± 1.0 %
FAILURE RATE
(1 digit)
M = 1.0 %/1000 h
P = 0.1 %/1000 h
R = 0.01 %/1000 h
S = 0.001 %/1000 h
PACKAGING CODE
(3 digits)
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
Note
(1) Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values.
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
Free Datasheet http://www.datasheet4u.com/


Vishay Intertechnology Electronic Components Datasheet

RWR74S49R9BPS70 Datasheet

Wirewound Resistors

No Preview Available !

www.vishay.com
DIMENSIONS in inches [millimeters]
1.50 [38.10] (1)
A min.
RWR Military
Vishay Dale
BC
MILITARY MODEL
A
DIMENSIONS in inches [millimeters]
B
RWR81
0.250 ± 0.031 [6.35 ± 0.787]
0.085 ± 0.020 [2.16 ± 0.508]
RWR82
0.312 ± 0.016 [7.92 ± 0.406] 0.078 + 0.016 - 0.031 [1.98 + 0.406 - 0.787]
RWR80
0.406 ± 0.031 [10.31 ± 0.787]
0.094 ± 0.031 [2.39 ± 0.787]
RWR71
0.812 ± 0.062 [20.62 ± 1.58]
0.187 ± 0.031 [4.75 ± 0.787]
RWR89
0.560 ± 0.062 [14.22 ± 1.58]
0.187 ± 0.031 [4.75 ± 0.787]
RWR74
0.875 ± 0.062 [22.23 ± 1.58]
0.312 ± 0.031 [7.92 ± 0.787]
RWR84
0.875 ± 0.062 [22.23 ± 1.58]
0.312 ± 0.031 [7.92 ± 0.787]
RWR78
1.780 ± 0.062 [45.21 ± 1.58]
0.375 ± 0.031 [9.525 ± 0.787]
Note
(1) On some standard reel pack methods, the leads may be trimmed to a shorter length than shown.
C
0.020 ± 0.0015 [0.508 ± 0.038]
0.020 ± 0.0015 [0.508 ± 0.038]
0.020 ± 0.0015 [0.508 ± 0.038]
0.032 ± 0.002 [0.813 ± 0.051]
0.032 ± 0.002 [0.813 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
0.040 ± 0.002 [1.02 ± 0.051]
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Dielectric Withstanding Voltage VAC
Short Time Overload
-
Maximum Working Voltage
Insulation Resistance
Terminal Strength
Solderability
Operating Temperature Range
V
.
lb
-
°C
RWR RESISTOR CHARACTERISTICS
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,
10 x rated power for 5 s for 5 W size and greater
(P x R)1/2
1000 Mminimum dry, 100 Mminimum after moisture test
5 minimum for 2 W and smaller, 10 minimum for 3 W and larger
Meets requirements of ANSI J-STD-002
- 55 to + 250
RESISTANCE TEMPERATURE COEFFICIENT
TEMPERATURE RWR71
RWR74
RWR78
RWR80
RWR81
RWR82
RWR84
RWR89
COEFFICIENT RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE RESISTANCE
(ppm/°C)
RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () RANGE () RANGE ()
± 650
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
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
± 20
74.1
and above
160
and above
459
and above
10.1
and above
10.1
and above
10.1
and above
160
and above
42.7
and above
Revision: 30-Mar-12
2 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
Free Datasheet http://www.datasheet4u.com/


Part Number RWR74S49R9BPS70
Description Wirewound Resistors
Maker Vishay
Total Page 4 Pages
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