MIL-STD-981C APPENDIX B
B.3.1.2.2.1 Cracked or damaged core. The core shall show no evidence of being cracked or otherwise damaged. See figure B-7(a).
B.3.1.2.2.2 Extraneous material. There shall be no loose or attached extraneous material 0.002 inches
(.0508 mm) or larger in size located within .005 of any bare conductor, solder joint or terminal. See figure B-
7(b).
B.3.1.2.2.3 Misaligned leads. The center line of the leads shall not form an angle greater than 5 degrees. See figure B-7(c).
B.3.1.2.2.4 W indings. There shall be no excessively loose turns visible on the coil. A separation of
0.010 inches or more between a winding and the next inner layer of winding shall be considered excessive. See figure B-7(d).
B.3.1.2.2.5 Misaligned core. The core shall be aligned with 5 degrees of a line connecting the centers of the two electrical connections. See figure B-7(e).
B.3.1.2.2.6 Damaged magnet wire. The magnet wire shall show no evidence of being chipped, nicked or other wise damaged. See figure B-7(f).
B.3.2.2 Radio Frequency Chip Coils, (Family 50), (MIL-PRF-83446/04 and MIL-PRF-83446/38).
B.3.2.2.1 Views. Two views, normal to the major axis of the part shall be taken. One view shall be 90 degrees from the other.
B.3.2.2.2 Examination. The coil examination shall include, but not be limited to, inspection for extraneous material on the windings or within the enclosure, misaligned or mispositioned core, misaligned electrodes and physical damage to the windings of the coil.
B.3.2.2.2.1 Cracked or damaged core. The core shall show no evidence of being cracked or otherwise damaged. See figure B-8(a).
B.3.2.2.2.2 Damaged electrical connection. The magnet wire shall show no evidence of being lifted or not connected to the termination See figure B-8(b).
B.3.2.2.2.3 Exposed core. There shall be no evidence of the core being exposed through the encapsulant. See figure B-8(c).
B.3.2.2.2.4 Damaged magnet wire. The magnet wire shall show no evidence of being chipped, nicked or otherwise damaged. See figure B-8(d).
B.3.2.2.2.5 Extraneous material. There shall be no loose or attached extraneous material 0.002 inches
(.0508 mm) or larger in size on the windings or within the enclosure. See figure B-8(e).
B.3.2.2.2.6 W indings. There shall be no excessively loose turns visible on the coil. A separation of
0.010 inches or more between a winding and the next inner layer of winding shall be considered excessive.
B.3.2.3 Radio Frequency Chip Coils, Family 50, (MIL-PRF-83446/20 through /35 and /39 and /40).
B.3.2.3.1 Views. Two views, normal to the major axis of the part shall be taken. One view shall be 90 degrees from the other.
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