Resistors. PHILIPS code marking. Reference data

Encyclopedia of radio electronics and electrical engineering / Reference materials

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Philips codes resistor values ​​according to generally accepted standards, i.e. the first two or three digits indicate the value in ohms, and the last - the number of zeros (multiplier). Depending on the accuracy of the resistor, the value is encoded as 3 or 4 characters. Differences from the standard encoding may lie in the interpretation of the numbers 7, 8 and 9 in the last character.

The letter R acts as a decimal point or, if it is at the end, it indicates a range. A single character "0" indicates a resistor with zero resistance (Zero - Ohm).

Thus, if you see code 107 on the resistor, this is not 10 with seven zeros (100 MΩ), but only 0.1 Ω.

Publication: cxem.net

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