1-51
Table 1-6.—Resistor Selection Chart
Military
specification
Type
Styles available
in standard
Power and max
voltage ratings
Resistance
tolerance
(+ percent)
Ohmic range
RW29
11W
.1 to 5.6 K
RW31
14W
.1 to 6.8 K
RW33
26W
.1 to 18 K
RW35
55W
.1 to 43 K
RW37
113W
.1 to 91 K
RW38
159V
.1 to.15 M
RW47
210W
.1 to.18 M
MIL-R-26
Wirewound (Power
Type)
RW56
14W
5, 10
.1 to 9.1 K
MIL-R-22684
Film (Insulated)
RL42. . .TX
2W/500V
2, 5
10 to 1.5 M
MIL-R-18546
Wirewound (Power
Type,
Chassis Mounted)
RE77
RE80
75W
120W
1
1
.05 to 29.4 K
.1 to 35.7 K
MIL-R-39008
Composition
(Insulated), Established
Reliability
RCR05
RCR07
RCR20
RCR32
RCR42
.125W/150V
.25W/250V
.5W/350V
1W/500V
2W/500V
5, 10
2.7 to 22 M
2.7 to 22 M
1.0 to 22 M
1.0 to 22 M
10 to 22 M
MIL-R-55182
Film, Established
Reliability
RNR50
RNR55
RNR60
RNR65
RNR70
RNR75
RNC90
.
.05W/200V
.1W/200V
.1W/200V
.125/200V
.125W/250V
.25W/300V
.25W/300V
.5W/350V
.5W/350V
.75W/500V
1W/750V
2W/750V
.3W/300V
6W/300V
.1, .5, 1
.05, .01, .005
10 to.796 M
10 to 2.0 M
1.0 to 4.02 M
1.0 to 8.06 M
1.0 to 15 M
24.9 to 2 M
4.99 to 100K
1/ M = megohms; K = kilohms.
