CERAMIC CAPACITORS

75

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General characteristics

Page revised 02/21

0.1

1

10

100

0.1

1

10

100

F (MHz)

Capacitance (µF)

SMD

Radial leaded caps

1

10

100

I (ARMS)

Frequency (MHz)

10µF

3.3µF

1µF

0.33µF

0.1µF

0.1

0.10

1

10

100

TYPICAL ESR VS FREQUENCY

The ESR (Equivalent Serial Resistance) curves are given here for SMD (chips all case sizes) capacitors.

Regarding the curves for the leaded capacitors, they are rather the same. ndeed, due to the resistivity of

the raw material used and the wire diameters, the resistance of the wires is much lower than the ESR

of the chips. So, in a first approach, their influence can be considered as negligible.

TYPICAL MAXIMUM ADMISSIBLE CURRENT VS FREQUENCY

These typical curves are an example of admissible currents for one family of chip capacitors: 501R3740X

chip series. For other curves and products or for further information, please contact us. Note: for the calcu-

lations, we have considered that the terminations are directly connected to an infinite heat sink. In other

words, the thermal resistance of the circuit itself which depends of its type and design has not been taken

into account. Moreover, the ambient temperature taken is 25°C.

TYPICAL ESR VS FREQUENCY

General Information

TYPICAL CURVES: R Series, SC/SV Series

0.001

0.01

0.1

1

10

100

10

1

0.1

0.01

ESR (ohm)

Frequency (MHz)

10µF

3.3µF

1µF

0.33µF

0.1µF