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Preferred Values of Resistors.
Resistor Color Codes.

Preferred Values of Resistors.

Resistors are manufactured to a certain tolerance. The actual value of a resistor can, therefore, be within a certain range. For this reason there are 'preferred values' of resistors. The following tables show three series, the E12, E24 and E96 series. These are so named because they define respectively 12, 24 and 96 values in each decade of resistance.

E12 Preferred Values: (for 10% tolerance resistors)
1.0	1.2	1.5
1.8	2.2	2.7
3.3	3.9	4.7
5.6	6.8	8.2

E24 Preferred Values:
1.0	1.1	1.2	1.3	1.5	1.6
1.8	2.0	2.2	2.4	2.7	3.0
3.3	3.6	3.9	4.3	4.7	5.1
5.6	6.2	6.8	7.6	8.2	9.1

E96 Preferred Values:
1.00	1.02	1.05	1.07	1.10	1.13	1.15	1.18
1.21	1.24	1.27	1.30	1.33	1.37	1.40	1.43
1.47	1.50	1.54	1.58	1.62	1.65	1.69	1.74
1.78	1.82	1.87	1.91	1.96	2.00	2.05	2.10
2.15	2.21	2.26	2.32	2.37	2.43	2.49	2.55
2.61	2.67	2.74	2.80	2.87	2.94	3.01	3.09
3.16	3.24	3.32	3.40	3.48	3.57	3.65	3.74
3.83	3.92	4.02	4.12	4.22	4.32	4.42	4.53
4.64	4.75	4.87	4.99	5.11	5.23	5.36	5.49
5.62	5.76	5.90	6.04	6.19	6.34	6.49	6.65
6.81	6.98	7.15	7.32	7.50	7.68	7.87	8.06
8.25	8.45	8.66	8.87	9.09	9.31	9.53	9.76

1.0	1.1	1.2	1.3	1.5	1.6
1.8	2.0	2.2	2.4	2.7	3.0
3.3	3.6	3.9	4.3	4.7	5.1
5.6	6.2	6.8	7.6	8.2	9.1

1.0	1.1	1.2	1.3	1.5	1.6
1.8	2.0	2.2	2.4	2.7	3.0
3.3	3.6	3.9	4.3	4.7	5.1
5.6	6.2	6.8	7.6	8.2	9.1

MW0LLO Resistors Page

Preferred Values of Resistors.

Resistor Color Codes.

1.0	1.1	1.2	1.3	1.5	1.6
1.8	2.0	2.2	2.4	2.7	3.0
3.3	3.6	3.9	4.3	4.7	5.1
5.6	6.2	6.8	7.6	8.2	9.1