electromagnetic interference. Filters furnished to the requirements of this specification contain shunting ceramic discoidal capacitors and series inductors \(FSC 5915\). Capacitors furnished to the requirements of this specification contain shunting ceramic discoidal capacitors \(FSC 5910\). For the purposes of this specification, feed-through capacitor types \(C circuit configuration\) are referred to herein as a filter. Passband power may be alternating current \(ac\) or direct current \(dc\) and the filters used primarily in the reduction of broadband radio frequency interference. This specification provides for two levels of product assurance requirements. Filters covered by this specification are capable of operation over the temperature range of -55 degrees C to +125 degrees C.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13

MIL-PRF-28861D

SOCIETY OF AUTOMOTIVE ENGINEERS (SAE)

Plating, Copper

(Copies of this document may be ordered online at www.sae.org or from the Society of Automotive Engineers, 400

Commonwealth Drive, Warrendale, PA 15096-0001.)

(Non-Government standards and other publications are normally available from the organizations that prepare or

distribute the documents. These documents also may be available in or through libraries or other informational

services.)

2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the

text of this document and the references cited herein (except for related specification sheets) the text of this

document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless

a specific exemption has been obtained.

3. REQUIREMENTS

3.1 Specification sheets. The individual part requirements shall be as specified herein and in accordance with the

applicable specification sheets. In the event of any conflict between requirements of this specification and the

specification sheets, the latter shall govern.

3.2 Qualification. Filters furnished under this specification shall be products which are authorized by the

qualifying activity for listing on the applicable qualified products list (QPL) before contract award. In addition, the

manufacturer shall obtain certification from the qualifying activity that the QPL system requirements of 3.3 and 4.2

have been met and are being maintained. Authorized distributors that are approved to MIL-STD-790 distributor

requirements by the QPL manufacturers are listed in the QPL.

3.2.1 Product assurance requirements. Two levels of filter reliability assurance are provided for in this

specification. Classes S and B filters shall be those which have been subjected to and passed all applicable

requirements, tests, and inspections detailed herein, including qualification and conformance inspection requirements

for the specified class. Class S is the highest product assurance level of this specification and is intended for space

applications.

3.3 QPL system. The manufacturer shall establish and maintain a QPL system for parts covered by this

specification. Requirements for this system are specified in MIL-STD-790 and 4.2. In addition, the manufacturer

shall establish a Statistical Process Control (SPC) system that meets the requirements of 3.3.1

3.3.1 Statistical process control (SPC). As part of the overall MIL-STD-790 QPL system, the manufacturer shall

establish a SPC system that meets the requirements of EIA-557. Processes for application of SPC techniques

should include the following:

a. Discoidal capacitors.

b. Incoming inspection.

c. Solder processing.

d. Assembly.

e. Finishing.