| No | Part number | Description ( Function ) | Manufacturers | |
| 3 | BZY91C68R | Zener Diode Zeners/Studs BZY91 Series FEATURES • Voltage range 7.5 - 75 Volts • 5000 Watt peak pulse power • 100 Watt steady state @ 25°C • 75 Watt steady state @ 65°C • Glass passivated junction • 5000 Watt surge capability at 1 ms • Typically IR less than1 µA above 10V • Excellent clamping capability • Stud cathode & stud anode • Operating temperature -55°C to +1 |
 Littelfuse |
|
| 2 | BZY91C68R | 100 WATT ZENER DIODES BZY91 SERIES High-reliability discrete products and engineering services since 1977 100 WATT ZENER DIODES FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Rating Voltage range Pea |
 Digitron Semiconductors |
|
| 1 | BZY91C68R | Diode Zener Single 68V 6% 100W 2-Pin DO-5 |
 New Jersey Semiconductor |
|
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 |
|||