| No | Part number | Description ( Function ) | Manufacturers | |
| 18 | ECC83 | DOUBLE TRIODE |
 TESLA |
|
| 17 | ECC83 | Double Triode "Ei-RC" - Electronic tubes factory ECC83/12AX7 ECC83 is A.F. Double Triode Data Sheet Page 1 of 4 Quick reference data • Anode current Ia=1,2mA • Transcoductance S=1,6mA/V • Amplification µ=100 Heating Heating is indirect by AC od DC, with serial or parallel supply. Heater voltage Heater current pins Vf 6,3 12,6 (V) If 300 150 (mA) 9-(4+5) 4-5 Telephone: FAX: Pos |
 Ei-RC |
|
| 16 | ECC83 | Double Triode 1954 page 1 2 3 4 5 6 7 8 9 10 11 ECC83 sheet 1 1 2 2 3 3 4 4 A B FP date 1954.11.11 1960.05.05 1954.11.11 1960.05.05 1955.02.02 1960.05.05 1955.02.02 1960.05.05 1953.06.06 1953.06.06 2005.05.06 |
 Philips |
|
| 15 | ECC83 | Doppeltriode |
 RFT |
|
| 14 | ECC83 | A.F. Double Triode 1970 page 1 2 3 4 5 6 7 ECC83 sheet 1 2 3 4 5 6 FP date 1970.01 1970.01 1970.01 1970.01 1970.01 1970.01 1999.08.14 |
Philips |
|
| 13 | ECC83 | Receiving Valve |
 BRIMAR |
|
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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