| No | Part number | Description ( Function ) | Manufacturers | |
| 4 | 1N2987B | Silicon 10 WATT Zener Diodes |
 Microsemi Corporation |
|
| 3 | 1N2987B | 10 WATT ZENER DIODES 1N2970-1N3015B, 1N3993-1N4000A High-reliability discrete products and engineering services since 1977 10 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 Paramet |
 Digitron Semiconductors |
|
| 2 | 1N2987B | (1N2970B - 1N3015B) 10 WATT ZENER DIODES Naina Semiconductor emiconductor Ltd. Zener Diodes Electrical Characteristics (TC = 25OC unless otherwise specified) Nominal Zener Voltage VZ@IZT (Volts) 6.8 7.5 8.2 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 30 33 36 39 43 45 47 50 51 52 56 62 68 75 82 91 100 105 110 120 130 140 150 160 175 180 200 Zener Test Current IZT (mA) 370 335 305 275 250 230 |
 Naina Semiconductor |
|
| 1 | 1N2987B | Diode Zener Single 25V 5% 10W 2-Pin DO-4 |
 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 |
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