Capacitors FAQ

Ceramic Capacitors

Characteristics

What is the allowable Ripple current Murata's ceramic capacitors can withstand?
Can I use Murata capacitors in a AC circuit?
What are the standards and units of insulation resistance values for chip multilayer ceramic capacitors?
What is the difference between Automotive Grade (GCM) and standard grade (GRM) capacitors?
Does the capacitance change when a DC voltage is applied to ceramic capacitors? Are there any points to be aware of regarding changes in the capacitance?
Does the capacitance of ceramic capacitors change over time? Are there any points to be aware of regarding the changes over time?
What is the reason that the nominal capacitance value cannot be obtained?
Is it safe to use multilayer ceramic capacitors in excess of the rated voltage condition?
What is the difference between operating temperature range and temperature range?
Please explain the difference between B1 characteristics and B3 characteristics.
For a ceramic capacitor whose specified operating temperature range is different from its specified temperature range, how does its capacitance change when the capacitor is outside its temperature range but inside its operating temperature range?
Why does the capacitance change when a DC voltage is applied to ceramic capacitors?
What is the mechanism of the changing of the capacitance of ceramic capacitors over time?
What is the difference between the F1 and F5 temperature characteristics?
An acoustic noise occurs depending on the piezoelectric effect of the multilayer ceramic capacitor. Does this have any effect on the reliability with continued use while "humming"?
What are the typical ESR values of multilayer ceramic capacitors?
What is the difference in the features and applications between the high dielectric type (X5R/B, X7R/R etc.) and the temperature compensating type (CH, C0G, etc.)?
Is a pretreatment required when using a multilayer ceramic capacitor?
I would like to use a DC rated product for an AC line; are there any issues in doing this?
Why does acoustic noise occur in ceramic capacitors?
I am considering connecting capacitors in series. Are there any issues in using them this way?
Although the KRM/KCM series which have metal leads are effective for acoustic noise and cracks, doesn't the ESR increase by an amount corresponding to the existence of metal terminals?
How much does ESR get worse as compared with GRM series?
What precautions must be observed when using capacitors that have metal terminals?
What is the function of a capacitor in a circuit?
What is the characteristics of Multilayer Ceramic Capacitors?
What kind of Ceramic Capacitors do you have?
What is the application of Multilayer Ceramic Capacitors?
How do you measure the capacitance of Ceramic Capacitors?
Do you have any cautions for measurement of capacitance?
What is the temperature character of capacitor's capacitance?
What is the voltage characteristic of capacitor's capacitance?
What is the frequency characteristic of capacitor's impedance?
What is the calorific property and measuring method of capacitors?
What is the cause of increase of capacitance when the ceramics become thinner?
What are the leakage current specification values for DC?
How is the capacitance value of a capacitor obtained?
The capacitance-frequency characteristics displayed by SimSurfing differ from the nominal capacitance. What is the reason for this?
Are there any problems in performing manual repair or reworking (replacement, removal ⇒ mounting) of multilayer ceramic capacitors mounted on boards? Are there any points to be aware of when performing manual repair or reworking?
How can I obtain detailed specification sheets for your products?
What is the difference between the B1 and R1 , R6 , R7 temperature characteristics?
Which public standards do your chip multilayer ceramic capacitor products comply with?
How do I use the function that compares the electrical characteristics of ceramic capacitors?
What are typical insulation resistance values for chip multilayer ceramic capacitors?

Quality Reliability

Mounting

Part Numbers

Environment

Configurations Material

Safety standard

Polymer Capacitors

Characteristics

Quality Reliability

Mounting

Part Numbers

Will the ECAS product continue to follow Murata's 18 digit global part numbering (GPN) system?

Environment

Are polymer capacitors compliance product for EU RoHS and halogen-free?

Configurations Material

Is the ECAS series a multi-layer device?

Variable Capacitors

Characteristics

Quality Reliability

ESD Resistance

Mounting

Implementation evaluation
Chip Size Package type VAC (LXRW0Y series)

Others

Silicon Capacitors

Structure/Materials

Characteristics

Standard products

Quality/Reliability

Please explain the relationship between the BV (Breakdown Voltage, BDV) and the Rated Voltage.

Mounting

Other