MIL-C-5 Capacitors, Fixed, Mica Dielectric, General Specification ForThis specification covers the general requirements for molded and dipped mica dielectric, fixed capacitors intended primarily for use in high-stability, low-loss radio-frequency applications such as tuned circuits \(see 6.1\). This is a graded specification covering ranges in temperature coefficient, capacitance, tolerance, temperature, and vibration.

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MIL-C-5G

3.14 Terminal strength. When capacitors are tested as specified in 4.6.11, no part of the terminals shall loosen or

rupture and no other damage shall result. For dipped capacitors, minor chipping of the resinous coating of the

meniscus only, will not be considered a failure, provided that the sample unit passes all subsequent environmental

tests.

3.15 Moisture resistance. When tested as specified in 4.6.12, capacitors shall meet the following requirements:

Dielectric withstanding voltage

As specified in 3.5

Insulation resistance

At least 30 percent of initial requirement.

Dissipation factor

Not greater than 150 percent of initial requirement.

Capacitance

Change from initial value obtained when measured as specified in 4.6.6

shall not exceed the value specified (see 3.1).

3.16 Temperature coefficient and capacitance drift. When measured as specified in 4.6.13, the temperature

coefficient and capacitance drift shall be within the limits specified in table I for each characteristic.

3.17 Low-temperature storage and life. When tested as specified in 4.6.14, capacitors shall meet the following

requirements:

Visual examination

No mechanical damage and marking shall remain legible.

Dielectric withstanding voltage

As specified in 3.5.

Dissipation factor

Not greater than 150 percent of initial requirement.

Insulation resistance

Shall meet initial requirement.

Capacitance

Change from initial value obtained when measured as specified in 4.6.6

shall not exceed the value specified (see 3.1).

3.17.1 Performance check. When tested as specified in 4.6.14.2.1, capacitors shall meet the following

requirements:

Visual examination

No mechanical damage and marking shall remain legible.

Dielectric withstanding voltage

As specified in 3.5.

Dissipation factor

Not greater than 150 percent of initial requirement.

Insulation resistance

Shall meet initial requirement.

Capacitance

Change from initial value obtained when measured as specified in 4.6.6

shall not exceed the value specified (see 3.1).

3.17.2 Continuation test. When tested as specified in 4.6.14.2.2, capacitors shall meet the requirements specified

in 3.17.

3.18 Marking. Capacitors shall be marked in accordance with one of the methods specified in 3.18.1 and 3.18.2.

The marking methods are given in the order preferred. Other markings that in any way interfere with, obscure, or

confuse those specified herein, are prohibited. Each capacitor shall be legibly marked with smear-resistant ink that

will withstand the environmental tests specified herein. The marking shall remain legible after all tests.

3.18.1 Full marking. The capacitors shall be marked with the type designation, manufacturer's name or symbol,

working voltage, and where applicable (see 3.1), the current rating at 1 megahertz (MHz). There shall be no space

between the symbols that comprise the type designation.