| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | PUMX1 | NPN general purpose double transistor DISCRETE SEMICONDUCTORS DATA SHEET handbook, halfpage MBD128 PUMX1 NPN general purpose double transistor Preliminary specification Supersedes data of 1997 Jul 09 1999 Apr 14 Philips Semiconductors Preliminary specification NPN general purpose double transistor FEATURES • Low current (max. 100 mA) • Low voltage (max. 40 V) • Reduces number of components and boardsp |
 NXP Semiconductors |
|
| 1 | PUMX1 | NPN GENERAL PURPOSE DUAL TRANSISTOR UNISONIC TECHNOLOGIES CO., LTD PUMX1 DUAL TRANSISTOR NPN GENERAL PURPOSE DUAL TRANSISTOR DESCRIPTION Two independently operating NPN transistors. FEATURES * Low current (max.100mA) * Low voltage (max.40V) * Reduces number of components and board space. * Complement to PUMT1. APPLICATIONS * General purpose switching and amplification. SYMBOL ORDERING INFORMAT |
 Unisonic Technologies |
|
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 |
|||