MIL-PRF-15733J
3.13 Overload. When filters are tested in accordance with 4.6.10, the insulation resistance and voltage drop shall
meet initial requirements, unless otherwise specified (see 3.1). There shall be no physical damage to the filters.
3.14 Terminal strength. When filters are tested in accordance with 4.6.11, no part of the terminals shall loosen or
rupture and no other damage shall result. Bends shall not be considered as damage unless an incipient break
occurs.
3.15 Flashpoint of impregnant or potting compound (when specified; see 3.1). When measured in accordance
with 4.6.12, the flashpoint of the impregnant or potting compound shall be not lower than specified in table II.
TABLE II. Flashpoint of impregnant or potting compound.
High-operating
Minimum allowable
temperature
flashpoint
°C
°C
85
145
125
165
200
240
3.16 Resistance to soldering heat (soldered terminals only). When filters are tested in accordance with 4.6.13,
there shall be no damage to the filters or to the terminal insulators that will cause electrical failure of the filters, or
which will cause hermetically sealed filters to leak. Chipping of terminal insulators alone shall not be cause for failure
unless the chipping extends to the outer periphery.
3.17 Salt atmosphere (corrosion). When filters are tested in accordance with 4.6.14, there shall be no harmful or
extensive corrosion, and at least 90 percent of any exposed metallic surfaces of the filter shall be protected by the
finish. The marking shall remain legible. In addition, there shall be not more than 10 percent corrosion of the
terminal hardware or mounting surface.
3.18 Thermal shock and immersion. When tested as specified in 4.6.15, filters shall meet the following requirements:
Dielectric withstanding voltage - - - - - - - - - - - - - - - - As specified in 3.8.
Insulation resistance - - - - - - - - - - - - - - - - - - - - - - - Not less than 30 percent of the value specified in 3.10.
Insertion loss - - - - - - - - - - - - - - - - - - - - - - - - - - - - Shall meet initial requirement, unless otherwise
specified (see 3.1).
Visual examination - - - - - - - - - - - - - - - - - - - - - - - - Corroded areas shall not exceed the limits specified in
3.17 and marking shall remain legible after the test.
Capacitance (when specified) - - - - - - - - - - - - - - - - Change no more than the value specified (see 3.1)
from the initial measured value.
3.19 Shock, specified pulse. When filters are tested in accordance with 4.6.16, there shall be no evidence of
intermittent, open or short circuiting, and no mechanical damage to the filter.
3.20 Vibration. When filters are tested in accordance with 4.6.17, there shall be no intermittent open or short
circuiting during vibration. The insertion loss shall meet initial requirement, unless otherwise specified (see 3.1).
After the test, there shall be no evidence of physical damage to the filters.
3.21 Moisture resistance. When tested as specified in 4.6.18, filters shall meet the following requirements:
Dielectric withstanding voltage - - - - - - - - - - - - - - - - As specified in 3.8.
Insulation resistance - - - - - - - - - - - - - - - - - - - - - - - Not less than 30 percent of the value specified in 3.10.
Insertion loss - - - - - - - - - - - - - - - - - - - - - - - - - - - Shall meet initial requirement, unless otherwise
specified (see 3.1)
Visual examination - - - - - - - - - - - - - - - - - - - - - - - - Corroded areas shall not exceed the limits specified in
3.17 and marking shall remain legible after the test.
Capacitance (when specified) - - - - - - - - - - - - - - - - Change not more than the value specified (see 3.1)
from the initial measured value.
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