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RWR71 View Datasheet(PDF) - Vishay Semiconductors

Part NameDescriptionManufacturer
RWR71 Wirewound Resistors, Military/Established Reliability, MIL-PRF-39007 Qualified, Type RWR, Up to S Level, Axial Lead Vishay
Vishay Semiconductors Vishay
RWR71 Datasheet PDF : 4 Pages
1 2 3 4
www.vishay.com
RWR Military
Vishay Dale
MAXIMUM ORDER SIZE FOR SINGLE LOT DATE CODE PACKAGE CODES
MODEL
RWR81
RWR82
RWR80
RWR71
RWR89
RWR74
RWR84
RWR78
MAXIMUM ORDER SIZE (PIECES)
1000
1000
1000
500
1000
500
300
300
DIMENSIONS in inches [millimeters]
1.50 [38.10] (1)
A
min.
B
C
MILITARY MODEL
A
DIMENSIONS in inches [millimeters]
B
RWR81
RWR82
0.250 ± 0.031 [6.35 ± 0.787]
0.312 ± 0.016 [7.92 ± 0.406]
0.085 ± 0.020 [2.16 ± 0.508]
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
RWR89
0.812 ± 0.062 [20.62 ± 1.58]
0.560 ± 0.062 [14.22 ± 1.58]
0.187 ± 0.031 [4.75 ± 0.787]
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
RWR78
0.875 ± 0.062 [22.23 ± 1.58]
1.780 ± 0.062 [45.21 ± 1.58]
0.312 ± 0.031 [7.92 ± 0.787]
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
V
Insulation Resistance
.
Terminal Strength
lb
Solderability
-
Operating Temperature Range °C
RWR RESISTOR CHARACTERISTICS
500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger
5x rated power for 5 s for 3 W size and smaller,
10x 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
TEMPERATURERWR71
RWR74
RWR78
RWR80
RWR81
RWR82
RWR84
RWR89
COEFFICIENTRESISTANCE 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
± 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: 15-Nov-17
2
Document Number: 30203
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
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