GRM0332C2A6R9DA01 datasheet(89/89 Pages) MURATA1

89 / 89 page

C02E.pdf

Nov.27,2017

Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.

• This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

290

Notice

1. Transportation

1. The performance of a capacitor may be aected by the

conditions during transportation.

1-1. The capacitors shall be protected against excessive

temperature, humidity, and mechanical force during

transportation.

(1) Climatic condition

• low air temperature: -40°C

• change of temperature air/air: -25°C/+25°C

• low air pressure: 30 kPa

• change of air pressure: 6 kPa/min.

(2) Mechanical condition

Transportation shall be done in such a way that

the boxes are not deformed and forces are not

directly passed on to the inner packaging.

1-2. Do not apply excessive vibration, shock, or pressure

to the capacitor.

(1) When excessive mechanical shock or pressure is

applied to a capacitor, chipping or cracking may

occur in the ceramic body of the capacitor.

(2) When the sharp edge of an air driver, a soldering

iron, tweezers, a chassis, etc. impacts strongly on

the surface of the capacitor, the capacitor may

crack and short-circuit.

1-3. Do not use a capacitor to which excessive shock was

applied by dropping, etc.

A capacitor dropped accidentally during processing

may be damaged.

2. Characteristics Evaluation in the Actual System

1. Evaluate the capacitor in the actual system, to conﬁrm

that there is no problem with the performance and

speciﬁcation values in a ﬁnished product before using.

2. Since a voltage dependency and temperature

dependency exists in the capacitance of high dielectric

type ceramic capacitors, the capacitance may change

depending on the operating conditions in the actual

system. Therefore, be sure to evaluate the various

characteristics, such as the leakage current and noise

absorptivity, which will aﬀect the capacitance value of

the capacitor.

3. In addition, voltages exceeding the predetermined surge

may be applied to the capacitor by the inductance in the

actual system. Evaluate the surge resistance in the actual

system as required.

4. The eﬀects of noise suppression can vary depending on

the usage conditions, including dierences in the circuit

or IC to be used, the type of noise, the shape of the

pattern to be mounted, and the mounting location. Be

sure to verify the eect on the actual device in advance.

Other

Continued from the preceding page.

1. A crack may be caused in the capacitor due to the stress

of the thermal contraction of the resin during curing

process.

The stress is aected by the amount of resin and curing

contraction.

Select a resin with low curing contraction.

The dierence in the thermal expansion coecient

between a coating resin or a molding resin and the

capacitor may cause the destruction and deterioration of

the capacitor such as a crack or peeling, and lead to the

deterioration of insulation resistance or dielectric

breakdown.

Select a resin for which the thermal expansion coeﬃcient

is as close to that of the capacitor as possible.

A silicone resin can be used as an under-coating to buer

against the stress.

2. Select a resin that is less hygroscopic.

Using hygroscopic resins under high humidity conditions

may cause the deterioration of the insulation resistance

of a capacitor.

An epoxy resin can be used as a less hygroscopic resin.

3. The halogen system substance and organic acid are

included in coating material, and a chip corrodes by the

kind of Coating material.

Do not use strong acid type.

4. Loss suppress acoustic noise may be caused in ZRB series

due to the resin during curing process. Please contact our

sales representative or product engineers on the apply to

resin during curing process.

8. Coating

1. Please evaluate the capacitor using actual cleaning

equipment and conditions to conﬁrm the quality, and

select the solvent for cleaning.

2. Unsuitable cleaning may leave residual ﬂux or other

foreign substances, causing deterioration of electrical

characteristics and the reliability of the capacitors.

7. Washing

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