MIL-PRF-15733/34R
d. Evaluation of images: Special kind of viewing equipment; magnifying glass of 10x magnification or a 7x
optical comparator.
e. Examination: The filter examination shall include, but not be limited to, inspection for faulty lead
connections, misalignment of internal parts, solder defects, and physical damage of electrical elements.
(1) Extraneous material.
(a) There shall be no loose metallic particles (solder balls) greater than .010 inch (0.25 mm) in the
major dimension.
(b) There shall be no solder splash on the winding or the capacitor.
(c) There shall be evidence of a 240 degree minimum solder joint between capacitor and case.
(d) There shall be no metallic objects bridging the coil to the capacitor nor contact between the
capacitor and the coil.
(2) Internal damage: There shall be no nicks, gouges, cracks, or other imperfections in the wire, core,
capacitor, or other internal elements.
(3) Alignment of internal elements: The capacitor element shall be properly seated within its defined
location and shall not be tilted or misaligned more than 10 degrees with respect to the case centerline.
(4) Bonds: There shall be no evidence of improper bonding (defective welds) on internal lead connections.
f.
Failures from the radiographic inspection shall be removed from the lot.
Seal: In accordance with MIL-PRF-15733.
Capacitance to ground: In accordance with MIL-PRF-15733 and table I.
Capacitance tolerance: +150 percent, -0 percent.
Temperature rise: In accordance with MIL-PRF-15733. Temperature rise shall be +25°C, maximum (for -0001
through -0009, -0014 through -0018, and -0020 through -0037); and +40°C, maximum (for -0010 through -0013,
and -0019).
Insulation resistance: In accordance with MIL-PRF-15733. The following detail shall apply:
Insulation resistance shall be not less than 1,000 megohms (500 megohms for -0036 only).
Dissipation factor: 3 percent maximum.
Voltage drop: See table I.
Insertion loss: In accordance with MIL-PRF-15733 at 25°C and temperature extremes; see table I.
Transient voltage: Filters with both dc and ac voltage rating shall withstand the transient over voltages specified in
MIL-STD-704 for 400 hertz ac systems.
Measurements at +25°C after test: Insulation resistance and voltage drop shall meet the initial requirements.
Terminal strength: In accordance with MIL-PRF-15733 and method 211, MIL-STD-202; test condition A (pull).
Force: 5 pounds.
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