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  • MIL-STD-275 Revision E:1984

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    PRINTED WIRING - ELECTRONIC EQUIPMENT

    Available format(s):  PDF

    Superseded date:  30-09-1999

    Language(s): 

    Published date: 

    Publisher:  US Military Specs/Standards/Handbooks

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    Table of Contents - (Show below) - (Hide below)

    1. SCOPE
    1.1 Purpose
    1.2 Classification
    2. REFERENCED DOCUMENTS
    3. DEFINITIONS
    4. GENERAL REQUIREMENTS
    4.1 Design features
    4.2 Documentation
    4.3 Master drawing
    4.4 Printed-wiring assembly drawing
    4.5 Production master
    5. DETAIL BOARD REQUIREMENTS
    5.1 Conductive pattern
    5.2 Lands
    5.3 Holes
    5.4 Eyelets and standoff terminals
    5.5 Plated-through holes
    5.6 Materials
    5.7 Printed-wiring board dimensions
    5.8 Detail board marking requirements
    5.9 Quality conformance testing circuitry
    6. DETAIL PART MOUNTING REQUIREMENTS
    6.1 Approved methods of attachment
    6.2 Electrical part mounting
    6.3 Conformal coating
    6.4 Support
    6.5 Detailed assembly marking requirements
    APPENDIX
    10. SCOPE
    10.1 Purpose
    20. DESIGN CONSIDERATIONS
    20.1 Design process tolerances and allowances
    20.2 Board dimensions
    20.3 Dimensional stability
    20.4 Dielectric constant and dissipation factor
    20.5 Surface prepartion of large conductive areas
    20.6 High voltage factors
    TABLES
    I. Conductor spacing
    II. Standard fabrication allowances for plated-through
          hole attachment
    III. Standard fabrication allowances for surface
          attachments
    IV. Clad laminates
    V. Conformance test circuitry
    VI. Composite board design guidance
    FIGURES
    1. Quality conformance test circuitry
    2. Block diagram depicting typical printed wiring
          drawing relationships
    3. Use of grids in defining pattern requirements
    4. Conductor thickness and width
    5. Discrete leadless component land pattern
    6. Chip carrier land pattern
    7. Modified fan-out patterns
    8. Heel mounting requirements
    9. Typical flat pack land
    10. Coined or flattened lead lands
    11. Annular ring requirements (external)
    12. Annular ring requirements (internal
    13. Minimum annular ring dimensions (external)
    14. Ground plan lands (typical)
    15. Hole diameter for flat lead
    16. Dielectric layer thickness measurement
    17. Location of test coupon based on number of boards
          fabricated per panel
    18. Flat lead termination
    19. Lead bend
    20. Perpendicular part mounting

    Abstract - (Show below) - (Hide below)

    Covers design requirements for various printed-wiring boards. The coverage includes referenced documents, definitions, documentation, master drawing, production master, conductive pattern, materials, electrical part mounting, quality conformance testing circuitry, detailed assembly marking requirements, board dimensions, plated through holes, dimensional stability, conductor spacing, composite board design guidance, eyelets & stand-off terminals.

    General Product Information - (Show below) - (Hide below)

    Committee FSC 5998
    Document Type Standard
    Publisher US Military Specs/Standards/Handbooks
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    MIL-STD-2110 Base Document:1979 RESTORATION, OVERHAUL, AND REPAIR OF ELECTRONIC EQUIPMENT
    MIL S 83505/6 : D SOCKET, (LEAD ELECTRONIC COMPONENTS)(TYPE VI, SOLDERLESS SPRING CONTACT)221278
    MIL-I-46058 Revision C:1972 Insulating Compound, Electrical (for Coating Printed Circuit Assemblies)
    MIL-A-29505 Base Document:1966 ANTENNA GROUP, TACAN, OE-273(V)/URN
    DOD-STD-2000-1 Revision B:1986 SOLDERING TECHNOLOGY, HIGH QUALITY/HIGH RELIABILITY
    DOD-STD-2000-4 Revision A:1987 GENERAL PURPOSE SOLDERING REQUIREMENT FOR ELECTRICAL AND ELECTRONIC EQUIPMENT
    DOD STD 100 : C NOTICE 6 ENGINEERING DRAWING PRACTICES
    MIL C 24308 : C CONNECTORS, ELECTRIC, RECTANGULAR, NON-ENVIRONMENTAL, MINIATURE, POLARIZED SHELL, RACK AND PANEL, GENERAL SPECIFICATION FOR
    MIL-P-49139 Base Document:1978 POWER SUPPLY PP6L48 ((/U
    MIL-R-2729 Revision D:1992 REGULATOR EXCITER SYSTEMS, VOLTAGE, A.C. GENERATOR, NAVAL SHIPBOARD USE
    MIL C 55302/128 : C CONNECTOR, PRINTED CIRCUIT SUBASSEMBLY & ACCESSORIES, RECEPTACLE, DOUBLE ROW, 4 THRU 130 CONTACT POSITIONS, FOR PRINTED WIRING BOARDS (1/16INCH, 3/32INCH, & 1/8INCH) (100 SPACING)
    MIL-P-70661 Base Document:1987 POTTED CIRCUIT CARD ASSEMBLY FOR TOW-2E/6 PROBE AND S&A ASSEMBLY
    DOD STD 2000/3 : A NOTICE 1 CRITERIA FOR HIGH QUALITY/HIGH RELIABILITY SOLDERING TECHNOLOGY
    MIL C 21097 : E CONNECTORS, ELECTRICAL, PRINTED WIRING BOARD, GENERAL PURPOSE GENERAL SPECIFICATION FOR
    MIL-STD-482 Revision A:1974 CONFIGURATION STATUS ACCOUNTING DATA ELEMENTS AND RELATED FEATURES
    MIL-B-28850 Base Document:1979 BLANKERS, INTERFERENCE, MX-8757/UPX, MX-8758/UPX, AND MX-8758A/UPX
    MIL-I-29589 Base Document:1991 INTERROGATOR SET, AN/UPX-24(V)
    MIL-A-21577-10 Base Document:1968 AMPLIFIER, AUDIO FREQUENCY-EMERGENCY REPORT SYSTEM
    MIL-A-21577-4 Revision B:1968 AMPLIFIER-OSCILLATOR GROUP, AN/SIA-117
    MIL C 39024 : A CONNECTOR, ELECTRICAL, TEST POINT TYPE, PANEL TYPE, SINGLE TEST POINT (THREADED), HIGH VOLTAGE
    MIL P 28809 : A PRINTED WIRING ASSEMBLIES
    MIL-C-55639 Revision A:1973 CHARGER, BATTERY PP-4127 ( )/U
    SAE ARP 1612 : 2014 POLYIMIDE PRINTED CIRCUIT BOARDS, FABRICATION OF
    MIL-C-28809 Revision B:1988 CIRCUIT CARD ASSEMBLIES, RIGID, FLEXIBLE & RIGID FLEX
    MIL-STD-2000 Revision A:1991 STANDARD REQUIREMENTS FOR SOLDERED ELECTRICAL AND ELECTRONIC ASSEMBLIES
    MIL-P-46843 Revision C:1989 PRINTED WIRING ASSEMBLIES PRODUCTION OF
    MIL-HDBK-288 Revision B:1991 REVIEW AND ACCEPTANCE OF ENGINEERING DRAWING PACKAGES
    IEEE DRAFT 1505 : 0 RECEIVER FIXTURE INTERFACE SPONSORED BY THE CONNECTORS TECHNICAL COMMITTEE TC-55 OF THE IEEE INSTRUMENTATION & MEASUREMENT SOCIETY
    MIL-A-28870 Revision A:1990 ASSEMBLIES, ELECTRICAL BACKPLANE, PRINTED WIRING, GENERAL SPECIFICATION FOR
    MIL-E-4158 Revision E:1973 ELECTRONIC EQUIPMENT, GROUND GENERAL REQUIREMENTS FOR
    BS IEC 63004:2015 Standard for receiver fixture interface
    MIL-STD-1389 Revision D:1989 DESIGN REQUIREMENTS FOR STANDARD ELECTRONIC MODULES
    MIL-P-24423 Base Document:1970 PROPULSION AND AUXILIARY CONTROL CONSOLES AND ASSOCIATED CONTROL AND INSTRUMENTATION EQUIPMENT, NAVAL SHIPBOARD USE, BASIC DESIGN REQUIREMENTS
    DOD-STD-2000-2 Revision A:1986 PART AND COMPONENT MOUNTING FOR HIGH QUALITY/HIGH RELIABILITY SOLDERED ELECTRICAL AND ELECTRONIC ASSEMBLIES
    MIL-E-63399 Revision B:1981 ELECTRONICS-MCD ASSEMBLY FOR MINE, ANTITANK: HE, M75
    MIL-G-21410 Revision A:1991 GOVERNING SYSTEMS, SPEED AND LOAD-SENSING NAVAL SHIPBOARD USE
    MIL-I-85671 Base Document:1987 INDICATOR, FREQUENCY CHANNEL ID-2121A/ARC, ID-2229A/ARC AND ID-2303/ARC
    MIL P 49080 : A POWER SUPPLY PP-6224( )/U
    IEC 63004:2015 Standard for receiver fixture interface
    MIL-R-81876 Revision B:1988 RECEIVER, TRANSMITTER RADIO SET AN/APX-100(V)
    MIL-A-21577-5 Revision A:1962 AMPLIFIER-OSCILLATOR GROUP, AN/SIA-118
    MIL-A-21577-11 Base Document:1982 AMPLIFIERS, AUDIO FREQUENCY; BOOSTER AMPLIFIER - AUDIO - 20 WATT SHIPBOARD ANNOUNCING
    MIL E 917 : E ELECTRIC POWER EQUIPMENT, BASIC REQUIREMENTS (NAVAL SHIPBOARD USE)
    MIL-A-28865 Revision A:1987 ANTENNA GROUP, OE-82()/WSC-1(V)
    MIL-STD-1861 Revision A:1993 ELECTRICAL & ELECTRONIC ASSEMBLIES, BOARDS, CARDS, AND ASSOCIATED HARDWARE, SELECTION AND USE OF
    MIL-A-21577-2 Base Document:1965 AMPLIFIER-CONTROL GROUP, AN/SIA-115
    MIL E 24021 : J NOTICE 1 ELECTRIC POWER MONITORS, EXTERNAL, AIRCRAFT
    MIL-STD-1547 Revision B:1992 ELECTRONIC PARTS, MATERIALS, AND PROCESSES FOR SPACE VEHICLES
    MIL-D-63303 Revision B:1988 DISPENSER, MINE, GROUND VEHICLE, M128
    MIL S 22710 : E SWITCHES, ROTARY (PRINTED CIRCUIT), (THUMBWHEEL, INLINE, AND PUSHBUTTON), GENERAL SPECIFICATION FOR
    MIL-P-24212 Revision C:1991 PRESSURE TRANSDUCER EQUIPMENT (ELECTRICAL)
    MIL-B-63512 Base Document:1982 BODY ASSEMBLY FOR MINE, ANTI PERSONNEL, BLU 92 B
    MIL-T-55603 Revision A:1975 TEST SET, TELEPHONE AN/SPTM-7
    MIL-M-24144 Revision D:1988 Monitors, Frost-Point/Dew-Point, Compressed Air, Semi-Portable (Future Acquisitions for this item may Refer to ST000-AG-IDX-010)
    MIL A 29563 : 0 ANTENNA SYSTEM, AIMS SHIPBOARD, ELECTRONICALLY STEERED OE-120/UPX
    MIL-A-21577-7 Revision B:1968 AMPLIFIER-CONTROL GROUP AN/SIA-119
    MIL-R-24358 Base Document:1968 RESTORATION SHIPBOARD ELECTRONIC EQUIPMENT F, 1N AND 2N COGNIZANCE
    MIL-A-21577-3 Base Document:1964 AMPLIFIER-CONTROL GROUP, AN/SIA-116
    MIL-E-85583 Revision A:1987 ELECTRIC POWER GENERATING CHANNEL, VARIABLE INPUT SPEED, ALTERNATING CURRENT, 400 HZ, AIRCRAFT, GENERAL SPECIFICATION FOR
    MIL-I-22560 Revision C:1994 INTERCOMMUNICATION STATIONS (HANDS FREE OPERATED REPLY REPRODUCER) NAVAL SHIPBOARD
    MIL O 55310 : C OSCILLATOR, CRYSTAL, GENERAL SPECIFICATION FOR
    MIL C 55302 : E CONNECTORS, PRINTED CIRCUIT SUBASSEMBLY AND ACCESSORIES, RECEPTACLE
    MIL-E-63511 Base Document:1982 ELECTRONIC-MCD ASSEMBLY FOR MINE, ANTI-TANK: BLU 91/B
    MIL-R-29583 Base Document:1992 RADIO SET
    MIL-A-17053 Revision E:1967 AUDIO ENTERTAINMENT SYSTEM EQUIPMENT, SHIPBOARD
    MIL-A-85672 Base Document:1987 AMPLIFIER, RADIO FREQUENCY AM-7177A/ARC
    MIL-STD-2119 Revision A:1990 DESIGN REQUIREMENTS FOR PRINTED WIRING ELECTRICAL BACKPLANE ASSEMBLIES
    MIL-B-29511 Base Document:1988 BUOY INTERFACE UNIT (BIU), J-3958/BRT-6
    MIL-A-21577 Revision A:1967 AMPLIFIERS, AUDIO FREQUENCY; AMPLIFIER-CONTROL GROUPS-SHIPBOARD ANNOUNCING
    MIL-S-24158 Base Document:1965 STATIC ADJUSTABLE SPEED CONTROL SYSTEM FOR A.C. INDUCTION MOTOR (ADJUSTABLE FREQUENCY TYPE) NAVAL SHIPBOARD
    MIL-D-24304 Revision B:1988 DIFFERENTIAL PRESSURE TRANSDUCER EQUIPMENT (ELECTRICAL) (NAVAL SHIPBOARD USE)
    MIL-T-55631 Base Document:1972 TRANSFORMER, INTERMEDIATE FREQUENCY, RADIO FREQUENCY, AND DISCRIMINATOR, GENERAL SPECIFICATION FOR
    MIL-A-21577-9 Base Document:1964 AMPLIFIER-CONTROL GROUP, AN/SIA-122(V)
    MIL-P-11268 Revision L:1983 PART, MATERIALS, AND PROCESSES USED IN ELECTRONIC EQUIPMENT
    MIL-M-24605 Revision A:1988 MONITOR, HEAT STRESS
    MIL-P-28739 Base Document:1970 PEDESTAL GROUP, ANTENNA, FOR IFF ANTENNAS AN/UPA-57
    MIL-B-63299 Revision A:1983 BODY ASSEMBLY FOR MINE, ANTI-PERSONNEL: HE, M74
    GR 2969 CORE : ISSUE 1 GENERIC REQUIREMENTS FOR THE DESIGN AND MANUFACTURE OF SHORT-LIFE, INFORMATION-HANDLING PRODUCTS AND EQUIPMENT
    MIL-A-21577-8 Revision A:1967 AMPLIFIER-CONTROL GROUP, AN/SIA-12O
    MIL-A-29521 Base Document:1988 ANTENNA GROUP, AN/BRA-34(V), AN/BRA-34A(V), AN/BRA-34B(V)
    MIL-P-24764 Base Document:1991 POWER SUPPLIES, SHIPBOARD, ELECTRONIC, GENERAL SPECIFICATION FOR
    MIL-T-49305 Base Document:1989 TEST SET, COUNTERMEASURE SET TS-3609 ()/ALQ-156(V)
    MIL-A-45597 Revision A:1984 ANALYZER, ENGINE, ELECTRONIC, CONSOLE-TYPE
    MIL-A-49277 Base Document:1985 AMPLIFIER, AUDIO FREQUENCY AM-1780A/VRC

    Standards Referencing This Book - (Show below) - (Hide below)

    ANSI Y14.5 : 1973 DIMENSIONING AND TOLERANCING FOR ENGINEERING DRAWINGS
    MIL-STD-130 Revision N:2007 IDENTIFICATION MARKING OF U.S. MILITARY PROPERTY
    DOD STD 100 : C NOTICE 6 ENGINEERING DRAWING PRACTICES
    MIL-I-46058 Revision C:1972 Insulating Compound, Electrical (for Coating Printed Circuit Assemblies)
    DOD STD 1686 : 0 ELECTROSTATIC DISCHARGE CONTROL PROGRAM FOR PROTECTION OF ELECTRICAL AND ELECTRONIC PARTS ASSEMBLIES AND EQUIPMENT (EXCLUDING ELECTRICALLY INITIATED EXPLOSIVE DEVICES)(METRIC)
    QQ-B-626 Revision D:1973 BRASS, LEADED & NONLEADED ROD, SHAPES, FORGINGS & FLAT PRODUCT WITH FINISHED EDGES (BAR & STRIP)
    QQ-C-576 Revision B:1961 COPPER FLAT PRODUCTS WITH SLIT, SLIT AND EDGE-ROLLED, SHEARED, SAWED OR MACHINED EDGES, (PLATE, BAR, SHEET, AND STRIP)
    MIL G 45204 : C GOLD PLATING, ELECTRODEPOSITED
    QQ-S-571 Revision F:1994 SOLDER, ELECTRONIC (96 TO 485 DEGREES C)
    MIL-C-14550 Revision B:1983 COPPER PLATING (ELECTRODEPOSITED)
    MIL-P-81728 Revision A:1973 PLATING, TIN LEAD, (ELECTRODEPOSITED)
    QQ-B-750 Base Document:1961 BRONZE, PHOSPHOR, BAR, PLATE, ROD, SHEET, STRIP, FLAT WIRE, AND STRUCTURAL AND SPECIAL SHAPED SECTIONS
    MIL P 55110 : LATEST PRINTED WIRING BOARD, RIGID GENERAL SPECIFICATION FOR
    ASME Y14.1 : 2012 DECIMAL INCH DRAWING SHEET SIZE AND FORMAT - ENGINEERING DRAWING AND RELATED DOCUMENTATION PRACTICES
    MIL P 28809 : A PRINTED WIRING ASSEMBLIES
    QQ-N-290 Revision A:1971 NICKEL PLATING (ELECTRODEPOSITED)
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