BS 3363:1980

National foreword
Cooperating organizations
Chapter I: General
1 Scope
2 Definitions of terms used in this Recommendation
3 General recommendations for letter symbols
4 Letter symbols for currents, voltages and powers
5 Letter symbols for electrical parameters
6 Letter symbols for other quantities
Chapter II: Letter symbols for bipolar transistors
1 Letter symbols for currents, voltages and powers
2 Letter symbols for electrical parameters
3 List of letter symbols
Chapter III: Letter symbols for low-power signal diodes
1 Letter symbols for currents, voltages and powers
2 Letter symbols for electrical parameters
3 List of letter symbols
Chapter IV: Letter symbols for voltage reference and
              voltage regulator diodes
   Under consideration
Chapter V: Letter symbols for tunnel diodes
1 Letter symbols for currents, voltages and powers
2 Letter symbols for electrical parameters
3 List of letter symbols
Chapter VI: Letter symbols for variable capacitance
              diodes
   Under consideration
Chapter VII: Letter symbols for rectifier diodes
1 Letter symbols for currents, voltages and powers
2 Letter symbols for electrical parameters
3 List of letter symbols
Chapter VIII: Letter symbols for thyristors
1 Letter symbols for currents, voltages and powers
2 Letter symbols for electrical parameters
3 List of letter symbols
Chapter IX: Letter symbols for field-effect
              transistors
1 Letter symbols for currents, voltages and powers
2 Letter symbols for electrical parameters (under
   consideration)
3 List of letter symbols (under consideration)
Chapter X: Letter symbols for digital integrated
              microcircuits
   Under consideration
Chapter XI: Letter symbols for analog integrated
              microcircuits
   Under consideration

Provides a common system of letter symbols, internationally recognized, to enable the characteristics of semiconductors and integrated microcircuits to be described.