| No | Part number | Description ( Function ) | Manufacturers | |
| 75 | EL3 | Penthode Eindlamp |
 Philips |
|
| 74 | EL3 | Endpenthode |
 ETC |
|
| 73 | EL300 | Pentode |
 MAZDABELVU |
|
| 72 | EL3010 | Power Pentode |
 TELEFUNKEN |
|
| 71 | EL3010 | (EL301x - EL305x) 6 PIN DIP RANDOM-PHASE TRIAC DRIVER PHOTOCOUPLER 6 PIN DIP RANDOM-PHASE TRIAC DRIVER PHOTOCOUPLER Features: • Peak breakdown voltage - 250V: EL301X - 400V: EL302X - 600V: EL305X • High isolation voltage between input and output (Viso=5000 V rms ) • Compact dual-in-line package • Pb free and RoHS compliant. • UL approved (No. E214129) • VDE approval (pending) • SEMKO approval (pending) • NE |
 Everlight Electronics |
|
| 70 | EL3011 | (EL301x - EL305x) 6 PIN DIP RANDOM-PHASE TRIAC DRIVER PHOTOCOUPLER 6 PIN DIP RANDOM-PHASE TRIAC DRIVER PHOTOCOUPLER Features: • Peak breakdown voltage - 250V: EL301X - 400V: EL302X - 600V: EL305X • High isolation voltage between input and output (Viso=5000 V rms ) • Compact dual-in-line package • Pb free and RoHS compliant. • UL approved (No. E214129) • VDE approval (pending) • SEMKO approval (pending) • NE |
Everlight Electronics |
|
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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