SMD Marking Codes
- 3-Digit Code (±5% Tolerance):
583- How it works: The first two digits (
58) represent the base value, and the third digit (3) dictates the number of trailing zeros (10³).
- How it works: The first two digits (
- 4-Digit Code (±1% High Precision):
5802- How it works: The first three digits (
580) represent the base value, and the fourth digit (2) dictates the number of trailing zeros (10²).
- How it works: The first three digits (
- EIA-96 Code (1% Precision, Ultra-small Packages): Does not exist for exactly 58kΩ.
- Note: The standard E96 precision logarithmic series jumps from 57.6kΩ (code
74C) directly to 59.0kΩ (code75C). If you see58Aon a chip, it actually decodes to 392Ω.
- Note: The standard E96 precision logarithmic series jumps from 57.6kΩ (code





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