Skip to content
Please enter a keyword to search

  • BS 2488:1966

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    View superseded by

    SCHEDULE OF PREFERRED NUMBERS FOR THE RESISTANCE OF RESISTORS AND THE CAPACITANCE OF CAPACITORS FOR TELECOMMUNICATION EQUIPMENT

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2015

    Language(s):  English

    Published date:  01-01-1966

    Publisher:  British Standards Institution

    Add To Cart

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

    Co-operating organizations
    Foreword
    Schedule
    Part 1. Preferred numbers for resistors and capacitors
    1 Scope
    2 Table 1
    3 Explanation
    Part 2. Preferred numbers for close tolerance resistors
            and capacitors
    4 Scope
    5 Table 2
    6 Explanation

    Abstract - (Show below) - (Hide below)

    The numbers specified and their decimal multiples or sub-multiples are a series of preferred numbers with their associated values of tolerances for the resistance of resistors and the capacitance of capacitors.

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

    Committee EPL/40
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    BS CECC40301 001-004(1977) : 1977 DETAIL SPECIFICATION FOR FIXED WIREWOUND INSULATED PRECISION RESISTORS - FULL ASSESSMENT LEVEL
    BS QC 410400:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION FOR ROTARY PRECISION POTENTIOMETERS
    BS 9940-03.0:1983 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED PRECISION RESISTORS
    BS QC 410300:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION FOR SINGLE-TURN ROTARY LOW-POWER WIREWOUND AND NON-WIREWOUND POTENTIOMETERS
    BS QC 300100:1991 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED POLYETHYLENE-TEREPHTHALATE FILM DIELECTRIC METAL FOIL D.C. CAPACITORS
    BS CECC 00111-3:1991 RULE OF PROCEDURE 11 - SPECIFICATIONS - REGULATIONS FOR CECC SPECIFICATIONS FOR COMPONENTS FOR GENERAL AND PROFESSIONAL (CIVIL AND MILITARY) USAGE (EXCLUDING DETAIL SPECIFICATIONS)
    BS EN 140210:1995 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED POWER RESISTORS - CAPABILITY APPROVAL
    BS CECC 31600:1991 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION - FIXED CAPACITORS WITH PAPER AND PAPER/PLASTICS DIELECTRICS
    BS QC 400200:1993 Harmonized system of quality assessment for electronic components. Fixed resistors for use in electronic equipment. Sectional specification: fixed power resistors
    BS QC 300900:1991 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION - FIXED POLYSTYRENE FILM DIELECTRIC METAL FOIL D.C. CAPACITORS
    BS CECC 30600:1979 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: FIXED CERAMIC CAPACITORS, TYPE 1
    BS 9070-4:1971 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - POLYSTYRENE DIELECTRIC CAPACITORS
    BS CECC 31500:1982 HARMONIZED SYSTEM OF QUALITY ASSESSMENT OF ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED CERAMIC CAPACITORS OF DIELECTRIC CLASS 2, FOR ELECTRICAL SHOCK HAZARD PROTECTION
    BS 9751:1979 BLANK DETAIL SPECIFICATION FOR FIXED INSULATED (UNSHIELDED) R.F. INDUCTORS AT THE FULL ASSESSMENT LEVEL
    BS QC 410000:1990 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT
    BS 9751 N0001:1980 Detail specification for fixed insulated (unshielded) radio frequency inductors. Wire wound on ferrite, iron dust or phenolic cylindrical former. Full assessment level
    BS QC 410100:1990 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - POTENTIOMETERS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: LEAD SCREW ACTUATED AND ROTARY PRESET POTENTIOMETERS
    BS 9070-1&2(1969) : 1969 AMD 7393 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - PRINCIPLES AND MANDATORY PROCEDURES - GENERAL RULES FOR DRAFTING DETAIL SPECIFICATIONS
    BS CECC 63200:1985 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: FILM AND HYBRID INTEGRATED CIRCUITS (CAPABILITY APPROVAL)
    BS CECC 31100:1981 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: FIXED CERAMIC DIELECTRIC CAPACITORS OF BARRIER LAYER TYPE (DIELECTRIC CLASS 3)
    BS QC 300500:1989 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED METALLIZED POLYCARBONATE FILM DIELECTRIC D.C. CAPACITORS
    BS CECC 30401 033:1981 HARMONIZED DETAIL SPECIFICATION FOR FIXED METALLIZED POLYETHYLENE TEREPHTHALATE FILM DIELECTRIC D.C. CAPACITORS (LONG-LIFE GRADE) - RECTANGULAR INSULATED NON-METALLIC CASE, RIGID RADIAL TERMINATIONS - FULL ASSESSMENT LEVEL
    BS 9070-5:1971 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - CERAMIC DIELECTRIC CAPACITORS
    BS 9940-04.01:1984 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - BLANK DETAIL SPECIFICATION: FIXED RESISTOR NETWORKS WITH INDIVIDUALLY MEASURABLE RESISTORS ALL OF EQUAL VALUE AND EQUAL DISSIPATION - ASSESSMENT LEVEL E
    BS QC 300800:1991 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION FOR FIXED TANTALUM CHIP CAPACITORS
    BS QC 390000:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED FILM RESISTOR NETWORKS FOR USE IN ELECTRONIC EQUIPMENT - GENERIC SPECIFICATION
    BS CECC 30500:1989 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED METALLIZED POLYCARBONATE FILM DIELECTRIC CAPACITORS FOR DIRECT CURRENT
    BS 9750:1990 SPECIFICATION FOR FIXED RADIO FREQUENCY INDUCTORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST
    BS CECC 30400:1984 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED METALLIZED POLYETHYLENE-TEREPHTHALATE FILM DIELECTRIC CAPACITORS FOR DIRECT CURRENT
    BS CECC 30300:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: ALUMINIUM ELECTROLYTIC CAPACITORS WITH SOLID AND NON-SOLID ELECTROLYTE
    BS CECC 41000:1977 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: GENERIC SPECIFICATION FOR POTENTIOMETERS
    BS CECC 30800:1991 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: TANTALUM SURFACE MOUNTING CAPACITORS
    BS CECC 30700:1991 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED CAPACITORS OF CERAMIC DIELECTRIC, CLASS 2
    BS 9070 N003:1971 DETAIL SPECIFICATION FOR FIXED METALLIZED MICA DIELECTRIC CAPACITORS (STYLE C2AEA) - RECTANGULAR NON-METALLIC CASE, AXIAL WIRES AT BOTH ENDS - GENERAL APPLICATION CATEGORY
    BS QC300200(1983) : 1983 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED TANTALUM CAPACITORS WITH SOLID OR NON-SOLID ELECTROLYTE
    BS 9073 N0034:1978 DETAIL SPECIFICATION FOR FIXED TANTALUM ELECTROLYTIC CAPACITORS - POROUS ANODE, POLAR NON-SOLID ELECTROLYTE - TUBULAR INSULATED METALLIC CASE, PTFE/ELASTOMER SEAL, AXIAL WIRE TERMINATIONS - FULL PLUS ADDITIONAL ASSESSMENT LEVEL
    BS EN 129200:1996 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED INDUCTORS WITH CERAMIC OR FERRITE CORE WOUND WIT H COPPER WIRE FOR RF CIRCUITS
    BS CECC 32200:1989 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - SECTIONAL SPECIFICATION: FIXED CHIP CAPACITORS WITH METALLIZED ELECTRODES AND POLYETHYLENE-TEREPHTHALATE DIELECTRIC FOR DIRECT CURRENT
    BS 9940-01.0:1983 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED LOW POWER NON-WIREWOUND RESISTORS
    BS CECC 31300:1983 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: FIXED MICA DIELECTRIC D.C. CAPACITORS
    BS 9131 N001-016(1974) : 1974 AMD 4679
    BS CECC 30201 001:1981 HARMONIZED DETAIL SPECIFICATION FOR FIXED TANTALUM CAPACITORS - POROUS ANODE, SOLID ELECTROLYTE - CYLINDRICAL INSULATED/NON-INSULATED METALLIC CASE, POLAR/HERMETIC SEAL, AXIAL TERMINATIONS - BASIC PLUS ADDITIONAL ASSESSMENT LEVEL
    BS QC 400600:1990 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED SURFACE MOUNTING (CHIP) RESISTORS
    BS QC 301900:1992 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed multilayer ceramic chip capacitors
    BS CECC 63100:1985 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: FILM AND HYBRID INTEGRATED CIRCUITS
    BS 9940-04.0:1984 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED RESISTOR NETWORKS WITH INDIVIDUALLY MEASURABLE RESISTORS
    BS 9076 N001-004(1974) : 1974 AMD 3815 DETAIL SPECIFICATION FOR FIXED METALLIZED POLYETHYLENE TEREPHTHALATE (PETP) FILM OR METALLIZED POLYCARBONATE FILM DIELECTRIC CAPACITORS - RECTANGULAR NON-METALLIC CASE AXIAL OR RADIAL TERMINATIONS, CENTRALLY SPACED - FULL ASSESSMENT LEVEL
    BS 9075 N023:1978 DETAIL SPECIFICATION FOR FIXED MONOLITHIC CERAMIC DIELECTRIC CAPACITORS (TYPE 1B) - RECTANGULAR NON-METALLIC CASE, CENTERED WIRES ON ONE FACE - FULL ASSESSMENT LEVEL
    BS 9130:1972 SPECIFICATION FOR POTENTIOMETERS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST
    BS 9100:1983 Specification for capability approval for custom-built capacitors and capacitor modules: generic data and methods of test
    BS 9070-7:1971 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - MICA DIELECTRIC CAPACITORS
    BS CECC 40101 019:1977 DETAIL SPECIFICATION FOR FIXED LOW POWER NON-WIREWOUND INSULATED RESISTORS - METAL OXIDE FILM, HELICALLY CUT - FULL ASSESSMENT LEVEL
    BS QC 390100:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED FILM RESISTOR NETWORKS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION FOR FILM RESISTOR NETWORKS OF ASSESSED QUALITY ON THE BASIS OF THE CAPABILITY APPROVAL PROCEDURE
    BS EN 134000:1995 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - GENERIC SPECIFICATION: VARIABLE CAPACITORS - (QUALIFICATION APPROVAL AND CAPABILITY APPROVAL)
    BS QC 001002:1991 RULES OF PROCEDURE OF THE IEC QUALITY ASSESSMENT SYSTEM FOR ELECTRONIC COMPONENTS (IECQ)
    BS QC 301300:1989 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED METALLIZED POLYPROPYLENE FILM DIELECTRIC A.C. AND PULSE CAPACITORS
    BS 9940-04.02:1984 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - BLANK DETAIL SPECIFICATION: FIXED RESISTOR NETWORKS WITH INDIVIDUALLY MEASURABLE RESISTORS OF EITHER DIFFERENT RESISTANCE VALUES OR DIFFERENT RATED DISSIPATIONS - ASSESSMENT LEVEL E
    BS 9133 N001-003(1975) : 1975 DETAIL SPECIFICATION FOR SINGLE TURN LOW POWER NON-WIRE WOUND ROTARY POTENTIOMETERS - SPINDLE INSULATED FROM RESISTANCE ELEMENT, SPINDLE AND PANEL SEALED OR CONTAINER, SPINDLE AND PANEL SEALED - FULL ASSESSMENT LEVEL
    BS QC300000(1983) : 1983 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - GENERIC SPECIFICATION
    BS QC 301700:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED CAPACITORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION FOR FIXED POLYCARBONATE FILM DIELECTRIC METAL FOIL D.C. CAPACITORS
    BS CECC 42000:1978 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: GENERIC SPECIFICATION: VARISTORS
    BS QC 300600:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed capacitors of ceramic dielectric, class 1
    BS 6083-11:1984 HEARING AIDS - SPECIFICATION FOR SYMBOLS AND OTHER MARKINGS ON HEARING AIDS AND RELATED EQUIPMENT
    BS 9940-01.01:1983 Harmonized system of quality assessment for electronic components. Fixed resistors for use in electronic equipment Blank detail specification: fixed low power non-wirewound resistors. Assessment level E
    BS QC 300400:1983 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed metallized polyethylene terephthalate film dielectric d.c. capacitors
    BS 9090:1977 VARIABLE CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST
    BS QC 400000:1990 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT: GENERIC SPECIFICATION
    BS 9075 N024:1978 DETAIL SPECIFICATION FOR FIXED MONOLITHIC CERAMIC DIELECTRIC CAPACITORS (TYPE 2C1) - RECTANGULAR NON-METALLIC CASE, CENTRED WIRES ON ONE FACE - FULL ASSESSMENT LEVEL
    BS 9070 N002:1971 DETAIL SPECIFICATION FOR FIXED METALLIZED MICA DIELECTRIC CAPACITORS (STYLE C2AED) - RECTANGULAR NON-METALLIC CASE, CENTRED WIRES ON ONE FACE - GENERAL APPLICATION CATEGORY
    BS CECC 30401 023:1979 HARMONIZED DETAIL SPECIFICATION FOR FIXED METALLIZED POLYETHYLENE TEREPHTHALATE FILM DIELECTRIC D.C. CAPACITORS - RECTANGULAR INSULATED NON-METALLIC CASE, RIGID RADIAL TERMINATIONS - FULL ASSESSMENT LEVEL
    BS 9940-05.00:1985 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - FIXED RESISTORS FOR USE IN ELECTRONIC EQUIPMENT - SECTIONAL SPECIFICATION: FIXED RESISTOR NETWORKS IN WHICH NOT ALL RESISTORS ARE INDIVIDUALLY MEASURABLE
    BS QC 300700:1992 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed capacitors of ceramic dielectric, class 2
    BS QC 410200:1992 Harmonized system of quality assessment for electronic components. Potentiometers for use in electronic equipment. Sectional specification for single-turn rotary power potentiometers
    BS CECC 31400:1982 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS: SECTIONAL SPECIFICATION: FIXED CERAMIC CAPACITORS OF DIELECTRIC CLASS 1, FOR ELECTRICAL SHOCK HAZARD PROTECTION
    BS 9070-6:1971 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - POLYCARBONATE DIELECTRIC CAPACITORS AND POLYETHYLENE TEREPHTHALATE DIELECTRIC CAPACITORS FOR D.C. USE AND POLYPROPYLENE DIELECTRIC CAPACITORS FOR D.C. AND A.C. USE
    BS QC 301800:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed polypropylene film dielectric metal foil d.c. capacitors
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective