BS 3363:Supplement No. 2:1981

National foreword
Cooperating organizations
Chapter I: General
6.5 Sundry quantities
Chapter II: Letter symbols for bipolar transistors
3.4.2 Small-signal parameters
3.5 Frequency parameters
3.9 Matched-pair bipolar transistors
Chapter III: Letter symbols for low-power signal diodes
3.1 Voltages
3.3 Powers
3.5 Sundry quantities
Chapter IV: Letter symbols for voltage reference and
              voltage regulator diodes
3.3 Sundry quantities
Chapter VII: Letter symbols for rectifier diodes
3.1 Voltages
3.2 Currents
3.3 Powers
Chapter VIII: Letter symbols for thyristors
3.2 Principal currents
3.5 Time quantities
3.6 Sundry quantities
3.7 Powers
Chapter IX: Letter symbols for field-effect
              transistors
3.7 Matched-pair field-effect transistors
Chapter X: Letter symbols for digital integrated
              microcircuits
2.2.3 Other subscripts
3 Sundry functions
Chapter XI: Letter symbols for analogue integrated
              microcircuits
1 Voltages and currents
4 Sundry quantities
Chapter XII: Letter symbols for mixer diodes
3.2 Other parameters
Chapter XIII: Letter symbols for current-regulator
              diodes
1 Voltages
2 Currents
3 Sundry quantities

Adds internationally agreed letter symbols to enable the characteristics of semiconductor and integrated microcircuits to be described.