1、 INCH-POUND MIL-PRF-49080D(CR) 17 March 2010 Superseding MIL-PRF-49080C(CR) 26 March 2007 PERFORMANCE SPECIFICATION POWER SUPPLIES, PP-2953()/U AND PP-6224()/U This specification is approved for use by the Communications- Electronics Life Cycle Management Command, Department of the Army, and is avai
2、lable for use by all Departments and Agencies of the Department of Defense. 1 1.1SCOPE Scope. This specification establishes the performance and verification requirements for each of the following Power Supplies: the PP-2953()/U and the PP-6224()/U . The power supply furnishes 0-25 amperes over a vo
3、ltage range of 24 to 32VDC from nominal 115/230 VAC at 50, 60 or 400 Hz single phase. The power supply can also operate from a 24 VDC storage battery in the battery standby mode. 2 2.1APPLICABLE DOCUMENTS General. The documents listed in this section are specified in sections 3, 4 or 5 of this speci
4、fication. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requireme
5、nts of documents cited in sections 3, 4 or 5 of this specification, whether or not they are listed. Comments, suggestions, or questions on this document should be addressed to Commander, US Army US Army Communications-Electronics RDEC, ATTN: RDER-PRQ-QE, Fort Monmouth, NJ 07703-5201 or emailed to Ro
6、bert.Francisus.army.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil/online/. AMSC N/A FSC 6130 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited Co
7、pyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 2 2.22.2.1Government documents. Specifications, standards, and handbooks. The following specifications, standards, and
8、 handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS FED-STD-595/34094 - Colors Used in Government Procurement DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-DTL-
9、53039 - Coating, Aliphatic Polyurethane, Single Component, Chemical Agent Resistant MIL-DTL-53072 - Chemical Agent Resistant Coating (CARC) System Application Procedures and Quality Control Inspection MIL-DTL-55181 - Connectors, Plug and Receptacle, Intermediate Power (Electrical, Waterproof), Type
10、MW, General Specification For MIL-DTL-64159 - Coating, Water Dispersible Aliphatic Polyurethane, Chemical Agent Resistant DEPARTMENT OF DEFENSE STANDARDS MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment MIL-STD-810 - Environmental
11、 Engineering Considerations and Laboratory Tests MIL-STD-3009 - Lighting, Aircraft, Night Vision Imaging System(NVIS) Compatible MIL-STD-13231 - Marking of Electronic Items (Copies of these documents are available online at https:/assist.daps.dla.mil/online/ from the Standardization Document Order D
12、esk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094). Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 3 2.2.2 Other Government documents, drawings, an
13、d publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract. DRAWINGS A3286985 - PP-2953D/U loose, spattered or excess solder;
14、weld metal; metal chips and mold release agents; or any other foreign material which might detract from the intended operation, function or appearance of the power supply. 3.12.1.2 Threaded part or devices. Screws, nuts and bolts shall show no evidence of cross threading, mutilation, or detrimental
15、or hazardous burrs, and shall be firmly secured. 3.12.1.3 Wiring. Wires and cables shall be positioned or protected to avoid contact with rough or irregular surfaces and sharp edges and to avoid damage to conductors or adjacent parts. 3.12.1.4 Shielding. Shielding on wires and cables shall be secure
16、d in a manner that will prevent it from contacting or shorting exposed current-carrying parts. The ends of the shielding or braid shall be secured to prevent fraying. 3.12.1.5 Exterior surfaces. All exterior surfaces shall be lusterless. 3.133.13.Requirements for applying Chemical Agent Resistant Co
17、ating (CARC). 1.1 Technical requirements. Exterior surfaces of the Power Supply shall be painted with Lusterless Green 383 CARC in accordance with MIL-DTL-64159 or MIL-DTL-53039 (FED-STD-595 Color No. 34094). All coatings shall be obtained from a Qualified Products List (QPL) source. Materials and p
18、rocesses used in the application of all preconditioning, passivation, pretreatments, primers and final films shall be in accordance with MIL-DTL-53072 and shall meet all Verification Provisions of MIL-DTL-53072. 3.13.2 Visual inspection criteria (verification). Color match on the finished assembly s
19、hall be per paragraph 3.3.3 of MIL-DTL-64159 or MIL-DTL-53039, as applicable. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 12 3.13.3 Touch up. When piece parts h
20、ave been finished with complete paint finishes, fixed assemblies shall be touched up in order to provide a continuous film across the interfaces. This requirement does not apply to hairline joints between matching parts, gasketed joints, or where moving parts such as hinges or catches are present. T
21、ouch-up paint used shall be identical to the final paint film and shall provide a reasonable color match with that of other assembled parts. 3.13.4 Coating thickness. The dry film thickness of each pretreatment, primer and final film coating shall be in accordance with MIL-DTL-53072. 3.13.5 Exceptio
22、ns. Parts which can be flexed should not be painted with CARC since the paint will crack. 3.13.6 Marking for CARC. The power supply shall be marked with CARC stenciled in CARC paint in close proximity to the nameplate. A contrasting color shall be used for the marking (e.g. black marking on a green
23、surface). The marking shall be durable enough to withstand the full environmental conditions the surface will be exposed to during field use. Plates or embossed lettering may be used. Embossed letters need not be highlighted as long as they are legible 3.14 Marking. Marking shall conform to MIL-STD-
24、13231. Front panel marking shall be Group I as described in MIL-STD-13231. 3.14.1 Identification label. An identification label shall be provided for each power supply. The material used for this label shall be non-reflective. The label shall have a light background with contrasting black text. For
25、the PP-6224()/U, the upper right hand corner of the label shall be shaded black and shall contain the nomenclature in contrasting text as in . Figure 1Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without l
26、icense from IHS-,-,-MIL-PRF-49080D 13 PP-6224D/UFigure 1- Representative PP-6224()/U label The label shall include the following information: a) Power supply nomenclature b) NSN c) Contract number d) Serial number e) Manufacturer f) Manufacturers part number g) Manufacturers CAGE CODE The label shal
27、l be located on a visible side of the power supply. The material used for the label shall be weather-resistant and capable of withstanding the tactical and environmental requirements of this specification. 3.15 Visibility. Whenever practicable, parts and assemblies shall be so mounted that their ide
28、ntification markings shall be readily visible with minimum disassembly of the power supply. 3.163.16.System safety. 1 General safety. The power supply shall be Listed to UL 60950-1 and bear the Listing mark. In lieu of Listing, the power supply shall be tested per , , and and meet the visual and mec
29、hanical requirements of UL 60950-1. 4.9.1 4.9.2 4.9.33.16.2 Ground continuity. When tested as specified in , the resistance to the grounding pin shall not be greater 0.1 ohms. 4.9.43.16.3 Radioactive materials. Radioactive materials shall not be used (e.g. luminous dials/markings, electron tubes, su
30、rge arrestors and lenses). Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 14 4 4.1VERIFICATION Classification of inspections. The inspection requirements specified
31、 herein are classified as follows: a) First article inspection (see 4.2), b) Inspection covered by subsidiary documents (see 4.3), c) Conformance inspection (see 4.4). 4.2 First Article. Unless otherwise specified in the contract, the first article inspection shall be performed by the contractor. 4.
32、2.1 First article units. Unless otherwise specified, the contractor shall furnish ten (10) first article units of the complete power supplies. The presence of one or more defects shall be cause for rejection of First Article. 4.2.2 First article inspection. The first article inspection shall consist
33、 of inspections specified in . Tests shall be performed in the order indicated for each test sample. TABLE I4.3 Inspection covered by subsidiary documents. The following shall be inspected under the applicable subsidiary documents as part of the inspection of power supply before preparation for deli
34、very: Item Requirement Paragraph. CARC 3.13 Marking 3.14 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 15 TABLE I. First Article Inspection. UNIT Inspection Reqt
35、Para Test Para1 2 3 4 5 6 7 8 9 10Inspections covered by subsidiary documents 4.3 Inspections to be performed on all units. Group A Inspection See TABLE II Inspections to be performed on all units. Group B Inspection See TABLE IV Inspections to be performed on all units. Frequency-voltage-load matri
36、x 3.7.3 4.5.1.2 Inspections to be performed on all units. Temperature Test 3.8.1 4.6.1 X X Relative Humidity 3.8.2 4.6.2 X Temperature Coefficient 3.7.10 4.5.9 X X Altitude (Elevation) 3.8.3 4.6.3 X Stability: Method 2 3.7.9 4.5.8 X Electromagnetic Interference 3.8.8 4.8 X Vibration 3.8.5 4.6.5 X X
37、Bench handling 3.8.5 4.6.6 X X Shock, Ballistic 3.8.5 4.6.7 X X Immersion 3.8.4 4.6.4 X Sand and dust 3.8.7 4.6.9 X Rain 3.8.8 4.6.10 X Fungus* 3.8.6 4.6.8 X ESD 3.7.6.4 4.5.11 X Surge immunity 3.7.6.5 4.5.12 X Touch current* 3.16.1 4.9.1 X Reliability 3.11 4.10 X X *Note: The FAT sample undergoing
38、Fungus inspection shall be disposed of properly. *Note: Testing not required if product is Listed by Underwriter Laboratories 4.4 Conformance inspection. Inspection of products for delivery shall consist of Groups A, B, and Group C when specified. 4.4.1 Group A inspection. Each unit on contract shal
39、l be inspected for conformance to the inspections in . Power Supplies which have passed Group A inspection shall be formed into lots. TABLE II4.4.1.1 Group A nonconformance. Units which do not pass Group A inspections may be reworked. The entire Group A inspection for the failed unit must be repeate
40、d after rework. Printed wiring assemblies shall not be repaired ( ). 3.5Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 16 4.4.1.2 Order of inspection within Group
41、A. Group A inspection shall be performed in any order, provided Stability is performed first. TABLE II. Group A inspection. Inspection Requirement Paragraph Inspection Paragraph Stability: Method 1 3.7.9 4.5.8 Input voltage (AC) 3.7.1 4.5.1 Output voltage 3.7.3 4.5.1 Power changeover 3.7.2 4.5.5 Rip
42、ple voltage 3.7.4 4.5.2 Efficiency 3.7.7 4.5.7 Over voltage 3.7.6.1 4.5.10 Current limiting 3.7.6.3 4.5.4 System safety 3.16 4.7.1 Grounding Continuity 3.16.2 4.9.4 Air-seal 3.10 4.6.11 Visual and mechanical 3.12 4.7 4.4.2 Group B inspections. Group B inspections shall normally be performed on inspe
43、ction lots that have passed Group A inspection and on samples selected from units that have been subjected to and met the Group A inspection. Sampling of lots shall be in accordance with below. No failures shall be allowed. Tests shall be conducted in the order shown in in accordance with the inspec
44、tions listed in . TABLE IIITABLE IV TABLE IV4.4.2.1 Order of inspection within Group B. Group B inspection shall be performed in an order satisfactory to the Government. TABLE III. Group B sampling. Lot Size Samples Required 1/ Up to 13 ALL 14 to 500 13 501 to 1200 20 Over 1200 32 NOTES: 1/ No failu
45、res allowed.Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49080D 17 TABLE IV. Group B inspection. Inspection Requirement Paragraph Inspection Paragraph Recovery time 3.7
46、.5 4.5.3 Overload protection 3.7.6.2 4.5.4 Remote sensing 3.7.8 4.5.6 Bench handling 3.8.5 4.6.6 Electric Strength* 3.16.1 4.9.2 Retained Charge* 3.16.1 4.9.3 *Note: Testing not required if product is Listed by Underwriter Laboratories 4.4.3 Group C inspection. Group C inspection shall consist of th
47、e inspections identified in below. Samples shall be selected in accordance with . TABLE V 4.4.3.1.1TABLE V. Group C inspection. Inspection Requirement Paragraph Inspection Paragraph Sample Numbers Frequency - voltage - load matrix 3.7.1 4.5.1.2 1-4 Stability: Method 2 3.7.9 4.5.8 1-4 Temperature coe
48、fficient 3.7.10 4.5.9 1 Temperature test 3.8.1 4.6.1 2 Immersion 3.8.4 4.6.4 2 Vibration 3.8.5 4.6.5 3 Shock, ballistic 3.8.5 4.6.7 4 4.4.34.4.3.1 Group C sampling. .1.1 Sampling for inspection (Group C). Four samples shall be selected at random from units having passed Group B inspections within12 months after First Article completion and within 12 months of each prior Group C sampling,. The samples shall be numbered 1 through 4. These units shall have passed Group A and B inspections. Each sample shall be subjected to each inspection specified for the specific sample number. 4.4.3.
