RWR Military

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Vishay Dale

Revision: 14-Jul-16

2

Document Number: 30203

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

DIMENSIONS in inches [millimeters]

Note

MAXIMUM ORDER SIZE FOR SINGLE LOT DATE CODE PACKAGE CODES

MODEL

MAXIMUM ORDER SIZE (PIECES)

RWR81

1000

RWR82

1000

RWR80

1000

RWR71

500

RWR89

1000

RWR74

500

RWR84

300

RWR78

300

MILITARY MODEL

DIMENSIONS in inches [millimeters]

AB

C

RWR81

0.250 ± 0.031 [6.35 ± 0.787]

0.085 ± 0.020 [2.16 ± 0.508]

0.020 ± 0.0015 [0.508 ± 0.038]

RWR82

0.312 ± 0.016 [7.92 ± 0.406]

0.078 + 0.016 - 0.031 [1.98 + 0.406 - 0.787]

0.020 ± 0.0015 [0.508 ± 0.038]

RWR80

0.406 ± 0.031 [10.31 ± 0.787]

0.094 ± 0.031 [2.39 ± 0.787]

0.020 ± 0.0015 [0.508 ± 0.038]

RWR71

0.812 ± 0.062 [20.62 ± 1.58]

0.187 ± 0.031 [4.75 ± 0.787]

0.032 ± 0.002 [0.813 ± 0.051]

RWR89

0.560 ± 0.062 [14.22 ± 1.58]

0.187 ± 0.031 [4.75 ± 0.787]

0.032 ± 0.002 [0.813 ± 0.051]

RWR74

0.875 ± 0.062 [22.23 ± 1.58]

0.312 ± 0.031 [7.92 ± 0.787]

0.040 ± 0.002 [1.02 ± 0.051]

RWR84

0.875 ± 0.062 [22.23 ± 1.58]

0.312 ± 0.031 [7.92 ± 0.787]

0.040 ± 0.002 [1.02 ± 0.051]

RWR78

1.780 ± 0.062 [45.21 ± 1.58]

0.375 ± 0.031 [9.525 ± 0.787]

0.040 ± 0.002 [1.02 ± 0.051]

TECHNICAL SPECIFICATIONS

PARAMETER

UNIT

RWR RESISTOR CHARACTERISTICS

Dielectric Withstanding Voltage

500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger

Short Time Overload

-

5x rated power for 5 s for 3 W size and smaller,

10x rated power for 5 s for 5 W size and greater

Maximum Working Voltage

V

Insulation Resistance

.

1000 M

 minimum dry, 100 M minimum after moisture test

Terminal Strength

lb

5 minimum for 2 W and smaller, 10 minimum for 3 W and larger

Solderability

-

Meets requirements of ANSI J-STD-002

Operating Temperature Range

°C

-55 to +250

RESISTANCE TEMPERATURE COEFFICIENT

TEMPERATURE



COEFFICIENT



(ppm/°C)

RWR71

RWR74

RWR78

RWR80

RWR81

RWR82

RWR84

RWR89

RESISTANCE

RANGE (

)

RESISTANCE

RANGE (

)

RESISTANCE

RANGE (

)

RESISTANCE

RANGE (

)

RESISTANCE

RANGE (

)

RESISTANCE

RANGE (

)

RESISTANCE

RANGE (

)

RESISTANCE

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

B

1.50 [38.10]

(1)

min.

A

C