BS 448-1:1981
Current
The latest, up-to-date edition.
Dimensions of electronic tubes and valves IEC dimensions
Hardcopy , PDF
English
30-04-1981
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National foreword
Cooperating organizations
Recommended practice for the preparation of drawings
for inclusion in IEC Publication 67
1. Scope
2. General rules
3. Base drawings
4. Outline drawings
Inter-conversion and rounding off of inch and
millimetre dimensions
1. Original units
2. Toleranced dimensions
3. Untoleranced dimensions
4. Conversion of inches into millimetre
5. Conversion of millimetres into inches
Appendices
1. Tables for conversion from inches into millimetres
2. Tables for conversion from millimetres into inches
Part I. Bases
Quick reference guide to pin numbers and pin circle
diameters for various bases
List of drawings
General
Explanation regarding reference letters on drawings
Part II. Outlines
List of drawings
General
Explanation regarding reference letters on drawings
Part III. Caps
List of drawings
General
Part IV. Special gauges for cathode-ray tubes
List of drawings
General
Additions to the lists of national codes appearing
on the standard sheets of Publication 67
National appendix
A. United Kingdom coded bases, coded reference
line gauges for CRTs and coded caps
Provides general information, base drawings, outline drawings and conversion data for a large range of internationally used electronic tubes and valves.
| Committee |
EPL/100
|
| DevelopmentNote |
Also numbered as IEC 60067. Supersedes 79/21173 DC, BS 448-1(1953) & BS 448-2(1953). (06/2004)
|
| DocumentType |
Standard
|
| Pages |
238
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This text gives recommended practice for the preparation of drawings for inclusion in this Publication.
| Standards | Relationship |
| HD 146 : 200S4 | Identical |
| IEC 60067D:1977 | Identical |
| BS 4319-1:1968 | Methods of measurement of the electrical properties of electronic tubes and valves (excluding microwave devices) Essential conditions for measuring equivalent input and output admittances |
| BS EN 111000:1993 | Harmonized system of quality assessment for electronic components. Generic specification: cathode ray tubes |
| BS CECC 46001:1977 | Specification for harmonized system of quality assessment for electronic components. Blank detail specification: cold cathode indicator tubes |
| BS EN 114000:1993 | Harmonized system of quality assessment for electronic components: generic specification: photomultiplier tubes |
| BS E9065:1976 | Specification for harmonized system of quality assessment for electronic components. Blank detail specification: small power transmitting tubes of anode dissipation up to 1 kW |
| BS EN 113000:1993 | Harmonized system of quality assessment for electronic components. Generic specification: camera tubes |
| BS 448-2:1981 | Dimensions of electronic tubes and valves Specification for dimensions of United Kingdom electronic tubes |
| BS 9041:1978 | Rules for the preparation of detail specifications for gas filled microwave switching tubes of assessed quality: tunable and broadband TR tubes and TR limiters. Full assessment level |
| BS CECC 45004:1977 | Specification for harmonized system of quality assessment for electronic components. Blank detail specification: disc seal power tubes |
| BS 9054:1971 | Rules for the preparation of detail specifications for radar display cathode ray tubes of assessed quality |
| BS E9063:1976 | Specification for harmonized system of quality assessment for electronic components. Blank detail specification: industrial heating triodes |
| BS 9040:1978 | Specification for gas-filled microwave switching tubes of assessed quality: generic data and methods of test |
| BS 5069-1:1980 | Dimensions of piezoelectric devices Specification for standard outlines and pin connections for quartz crystal units |
| BS EN 111101:1996 | Specification for harmonized system of quality assessment for electronic components. Blank detail specification. Display storage tubes |
| BS EN 114001:1997 | Harmonized system of quality assessment for electronic components. Blank detail specification: photomultiplier tubes |
| BS CECC 45000:1977 | Specification for harmonized system of quality assessment for electronic components: generic specification: space-charge controlled tubes |
| BS CECC 46000:1978 | Harmonized system of quality assessment for electronic components: generic specification: cold cathode indicator tubes |
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