UL approval varistor

- Sep 28, 2017 -

Five-ring resistance: one-ring digital (hundred) "Red" two-ring digit (10-bit) "Blue" three-ring Digital (single) "Green" * multiplier "BLACK" error

Example: Red-blue green black brown =265*10^0=265ω (±1%)

Permissible deviations between actual resistance and nominal resistance, expressed as percentages. Commonly used ±5%, ±10%, ±20%, precision less than ±1%, high-precision of up to 0.001%. The accuracy is determined by the permissible deviations and the irreversible resistance changes.


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