The shape of the chip capacitor is similar to the chip resistor, but it is slightly thinner. The general chip capacitor is a white substrate, and most tantalum electrolytic capacitors are black substrates, which are marked with white polarity. SMD capacitors, like chip resistors, are also available in both chip and cylindrical shapes. Cylindrical chip capacitors are similar to SMT column resistors. They are just as thick as the whole body, while the resistors are slightly thicker.
There are three main methods for labeling the capacitance of a chip:
1. One letter and one number representation This method is to print a black letter and a black number (or print a white letter and a white number on a square black substrate) as a code on a white baseline. The letters represent the first two digits of capacity. See Table 4 for details. The following numbers indicate how many "0"s are added after the previous two digits. The unit "pF". See Table 5 for examples.
2. Color and a letter representation This method uses a combination of a capacitor and a letter plus a letter to represent the capacitance. The meaning of the letters is still shown in Table 4, and the color indicates the number of “0†added after the capacity represented by the letters. The unit is “pFâ€. See Table 6 for details. For example, if the red letter is also printed with the letter “Yâ€, the capacitance is 8.2×100=8.2 pF.
The letter “H†printed on the back of the black indicates that the power is 2.0×10 1st power=20pF, and the letter “N†is printed behind the white, indicating that the capacitance value is 3.3×10 3 Visits = 3300 pF.
3. Color ring representation This is a common representation of cylindrical chip capacitors. The first two rings represent the first two digits of capacitance, the third ring represents the number of times multiplied by ten, and the fourth ring represents the error (the first four ring representations are basically the same as the color ring resistance). The fifth ring represents the temperature coefficient. See Table 7 for details.
For example, the color of a capacitor's five rings is: red, red, orange, gold, and silver, which means that the capacity of the capacitor is 22×10 3 visits = 22000p (22n) ± 5%, and the temperature coefficient is +30×10. -6th power pF/°C
There are three main methods for labeling the capacitance of a chip:
1. One letter and one number representation This method is to print a black letter and a black number (or print a white letter and a white number on a square black substrate) as a code on a white baseline. The letters represent the first two digits of capacity. See Table 4 for details. The following numbers indicate how many "0"s are added after the previous two digits. The unit "pF". See Table 5 for examples.
2. Color and a letter representation This method uses a combination of a capacitor and a letter plus a letter to represent the capacitance. The meaning of the letters is still shown in Table 4, and the color indicates the number of “0†added after the capacity represented by the letters. The unit is “pFâ€. See Table 6 for details. For example, if the red letter is also printed with the letter “Yâ€, the capacitance is 8.2×100=8.2 pF.
The letter “H†printed on the back of the black indicates that the power is 2.0×10 1st power=20pF, and the letter “N†is printed behind the white, indicating that the capacitance value is 3.3×10 3 Visits = 3300 pF.
3. Color ring representation This is a common representation of cylindrical chip capacitors. The first two rings represent the first two digits of capacitance, the third ring represents the number of times multiplied by ten, and the fourth ring represents the error (the first four ring representations are basically the same as the color ring resistance). The fifth ring represents the temperature coefficient. See Table 7 for details.
For example, the color of a capacitor's five rings is: red, red, orange, gold, and silver, which means that the capacity of the capacitor is 22×10 3 visits = 22000p (22n) ± 5%, and the temperature coefficient is +30×10. -6th power pF/°C
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