| No | Part number | Description ( Function ) | Manufacturers | |
| 17 | BC178 | LOW NOISE GENERAL PURPOSE AUDIO AMPLIFIERS BC177 BC178-BC179 LOW NOISE GENERAL PURPOSE AUDIO AMPLIFIERS DESCRIPTION The BC177, BC178 and BC179 are silicon planar epitaxial PNP transistors in TO-18 metal case.They are suitable for use in driver audio stages, low noise input audio stages and as low power, high gain general purpose transistors. The complementary NPN types are respectively the BC107, BC108 and BC109. TO-18 |
 STMicroelectronics |
|
| 16 | BC178 | PNP SILICON PLANAR EPITAXIAL TRANSISTORS Continental Device India Limited An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company PNP SILICON PLANAR EPITAXIAL TRANSISTORS BC177, A, B, C BC178, A, B, C BC179, A, B, C TO-18 ABSOLUTE MAXIMUM RATINGS DESCRIPTION Collector -Emitter Voltage Collector -Emitter Voltage Collector -Base Voltage Emitter -Base Voltage Collector Current Continuous Power Dissipation@ Ta=25 degC |
 CDIL |
|
| 15 | BC178 | PNP SILICON PLANAR EPITAXIAL TRANSISTOR , One. 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. BC177,8,9 BC257,8,9 .BC307,8,9 TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960 BC320,1,2 THE ABOVE TYPES ARE PNP SILICON PLANAR EPITAXIAL TRANSISTORS FOR USE IN AF SMALL SIGNAL AMPLIFIER STAGES AND DIRECT COUPLED CIRCUITS, BC177, 8, 9 are complementary to BC107, 8, 9. BC257, 8, 9 are complementary to B |
 New Jersey Semi-Conductor |
|
| 14 | BC178 | PNP SILICON TRANSISTORS |
 Siemens Group |
|
| 13 | BC178 | PNP SILICON PLANAR EPITAXIAL TRANSISTOR |
 Micro Electronics |
|
| 12 | BC178 | (BC1xx) High Voltage Transistors ( DataSheet : ) |
 ETC |
|
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 |
|||