Superseded
Standard
Historical
IEC 60148A:1974
First supplement - Letter symbols for semiconductor devices and integrated microcircuits
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Summary
Includes letter symbols concerning the categories: voltage reference and voltage regulator diodes, variable capacitance diodes, mixer diodes, bipolar transistors, field-effect transistors, digital integrated circuits, analogue integrated circuits.
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 01/01/1974 |
| Release Date | 01/01/1974 |
| Cancellation Date | 11/30/1984 |
| Edition | 2 |
| Page Count | 33 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
01/01/1974
Superseded
Historical
No products.