SMD Resistor Coding Explained with Examples

Different types of SMD Resistor coding (3-digit, 4-digit, and EIA-96) coding schemes have been explained with examples.

3-Digit SMD Resistor Coding Scheme:
The first two digits indicate the two-digit numerical resistance value,
The last digit Indicates Multiplying factor (power of 10),
Tolerance plus or minus 5%,
If there is a short bar below the 3-digit coding scheme,
then its a precision (Tolerance) plus or minus 1%.

4-Digit SMD Resistor Coding Scheme:
The first 3-digits indicate the three-digit numerical resistance value,
The last digit indicates Multiplying factor (power of 10),
Used for precision applications, Tolerance of plus or minus 1%.

EIA-96 SMD Resistor Coding Scheme:
These resistors have a tolerance of plus or minus 1%,
The EIA-96 coding scheme consists of two numbers and one letter at the end,
The first two digits or numbers represents a code of three significant digits or numbers,
The last letter Multiplying factor (power of 10),
The numbers and letters codes are given in a common or manufacturer's document.

Timestamps for various topics covered in this video are as follows:

1:24 Three-Digit SMD Resistor Coding Scheme,
4:20 Four-Digit SMD Resistor Coding Scheme,
6:12 Current Sensing SMD Resistor Coding Scheme,
8:12 EIA-96 SMD Resistor Coding Scheme,
11:38 Power Ratings of SMD Resistors.

This video will be helpful to Students and Working professionals.

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