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Resistor, Fixed, Wired Wound (Power Type) Styles RW80 and RW81
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Resistor, Fixed, Wired Wound (Power Type) Styles RW80 and RW81
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Specifications, standards, and handbooks



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MIL-R-26/6C
1.2.1.3 Resistance. The nominal resistance expressed in ohms is identified by a four-digit number; the
first three digits represent significant figures and the last digit specifies the number of zeroes to follow.
When resistance values less than 100 ohms are required, the letter "R" is substituted for one of the
significant digits to represent the decimal point. When the letter "R" is used, succeeding digits of the group
represent significant figures as shown in the following example.
R100 = 0.1 ohm
1R00 = 1.0 ohm
10R0 = 10.0 ohm
Minimum and maximum resistance values are as specified herein. The standard values for every decade
should follow the sequence demonstrated for the "10 to 100" decade in accordance with RS-385.
TABLE I. Characteristic.
Symbol
Maximum continuous
Minimum insulation
Resistance temperature
operation temperature 1/  resistance at end of
characteristic (ppm/ C)
moisture resistance
0 20 >20 ohms
0 30 >10 ohms to <20
ohms
0 50 >1 ohm to <10
U
100 Megohms
275 C
ohms
0 +400, -100
>0.499 ohm to <1
ohm
0 +650, -100
>0.1 ohm to < 0.499
ohm
1/ This temperature is also the maximum permissible hot-spot surface temperature.
1.2.1.3.1 Replacement or maintenance (applicable to .1 and .5 percent tolerances). It is preferred that
resistance values be selected as specified in RS-385. However, if it is impracticable to do so, then any
value (within specification limits) may be specified and these values shall be considered as conforming to
the specification.
1.2.1.4 Resistance tolerance The resistance tolerance is identified by a single letter in accordance with
table II.
TABLE II. Resistance tolerance.
Resistance tolerance
Symbol
Percent ( )
B
0.1
D
.05
F
1.0
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification.
This section does not include documents cited in other sections of this specification or recommended for
additional information or as examples. While every effort has been made to ensure the completeness of
this list, document user are cautioned that they must meet all specified requirements documents cited in
sections 3 and 4 of this specification, whether or not they are listed.
2

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