MIL-R-93F
1.2.1.4 Resistance. The nominal resistance expressed in absolute ohms (1 absolute ohm = 0.99951 international ohm) is identified by five digits; the first four digits represent significant figures and the last digit specifies the number of zeros to follow. When the values of resistance is less than 1,000 ohms, or when fractional values of an ohm 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. The resistance value designations are shown in table IV. Minimum and maximum resistance values are specified (see 3.1). The standard values for every decade follows the sequence demonstrated for "10 to 100" decade in table V. The resistance values for 0.05 percent and 0.1 percent resistance tolerances may be of any value within the limits of this specification, but it is preferred that the values be chosen from the "10 to 100" decade specified in table V.
TABLE IV. Designation of resistance values.
Designation |
Resistance value |
R1000 to R9880 inclusive 1R000 to 9R880 inclusive 10R00 to 98R80 inclusive 100R0 to 988R0 inclusive 10000 to 98800 inclusive 10001 to 98801 inclusive 10002 to 98802 inclusive 10003 to 98803 inclusive |
0.10 to 0.988 inclusive 1.00 to 9.88 inclusive 10.00 to 98.80 inclusive 100.00 to 988.00 inclusive 1,000 to 9,880 inclusive 10,000 to 98,800 inclusive 100,000 to 988,000 inclusive 1,000,000 to 9,880,000 inclusive |
TABLE V. Standard resistance values for the 10 to 100 decade.
Resistance tolerance |
|||||||||||
A, B, D |
F |
A, B, D |
F |
A, B, D |
F |
A, B, D |
F |
A, B, D |
F |
A, B, D |
F |
10.00 10.10 10.20 10.40 10.50 10.60 10.70 10.90 11.00 11.10 11.30 11.40 11.50 11.70 11.80 12.00 12.10 12.30 12.40 12.60 12.70 12.90 13.00 13.20 13.30 13.50 13.70 13.80 14.00 14.20 14.30 14.50 |
10.00 10.20 10.50 10.70 11.00 11.30 11.50 11.80 12.10 12.40 12.70 13.00 13.30 13.70 14.00 14.30 |
14.70 14.90 15.00 15.20 15.40 15.60 15.80 16.00 16.20 16.40 16.50 16.70 16.90 17.20 17.40 17.60 17.80 18.00 18.20 18.40 18.70 18.90 19.10 19.30 19.60 19.80 20.00 20.30 20.50 20.80 21.00 21.30 |
14.70 15.00 15.40 15.80 16.20 16.50 16.90 17.40 17.80 18.20 18.70 19.10 19.60 20.00 20.50 21.00 |
21.50 21.80 22.10 22.30 22.60 22.90 23.20 23.40 23.70 24.00 24.30 24.60 24.90 25.20 25.50 25.80 26.10 26.40 26.70 27.10 27.40 27.70 28.00 28.40 28.70 29.10 29.40 29.80 30.10 30.50 30.90 31.20 |
21.50 22.10 22.60 23.20 23.70 24.30 24.90 25.50 26.10 26.70 27.40 28.00 28.70 29.40 30.10 30.90 |
31.60 32.00 32.40 32.80 33.20 33.60 34.00 34.40 34.80 35.20 35.70 36.10 36.50 37.00 37.40 37.90 38.30 38.80 39.20 39.70 40.20 40.70 41.20 41.70 42.20 42.70 43.20 43.70 44.20 44.80 45.30 45.90 |
31.60 32.40 33.20 34.00 34.80 35.70 36.50 37.40 38.30 39.20 40.20 41.20 42.20 43.20 44.20 45.30 |
46.40 47.00 47.50 48.10 48.70 49.30 49.90 50.50 51.10 51.70 52.30 53.00 53.60 54.20 54.90 55.60 56.20 56.90 57.60 58.30 59.00 59.70 60.40 61.20 61.90 62.60 63.40 64.20 64.90 65.70 66.50 67.30 |
46.40 47.50 48.70 49.90 51.10 52.30 53.60 54.90 56.20 57.60 59.00 60.40 61.90 63.40 64.90 66.50 |
68.10 69.00 69.80 70.60 71.50 72.30 73.20 74.10 75.00 75.90 76.80 77.70 78.70 79.60 80.60 81.60 82.50 83.50 84.50 85.60 86.60 87.60 88.70 89.80 90.90 92.00 93.10 64.20 95.30 96.50 97.60 98.80 |
68.10 69.80 71.50 73.20 75.00 76.80 78.70 80.60 82.50 84.50 86.60 88.70 90.90 93.10 95.30 97.60 |
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