| No | Part number | Description ( Function ) | Manufacturers | |
| 4 | 2SA1987 | SILICON PNP TRIPLE DIFFUSED TYPE TRANSISTOR TOSHIBA Transistor Silicon PNP Triple Diffused Type 2SA1987 Power Amplifier Applications 2SA1987 Unit: mm • High breakdown voltage: VCEO = −230 V (min) • Complementary to 2SC5359 • Recommended for 100-W high-fidelity audio frequency amplifier output stage. Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage V CBO � |
 Toshiba Semiconductor |
|
| 3 | 2SA1987 | SILICON POWER TRANSISTOR SavantIC Semiconductor Product Specification Silicon PNP Power Transistors 2SA1987 DESCRIPTION ·With TO-3PL package ·Complement to type 2SC5359 ·High collector voltage APPLICATIONS ·Power amplifier applications ·Recommended for 100W high fidelity audio frequency amplifier output stage PINNING PIN 1 2 3 Emitter Collector;connected to mounting base Ba |
 SavantIC |
|
| 2 | 2SA1987 | Power Transistor Inchange Semiconductor Product Specification Silicon PNP Power Transistors 2SA1987 DESCRIPTION ¡¤ With TO-3PL package ¡¤ Complement to type 2SC5359 ¡¤ High collector voltage APPLICATIONS ¡¤ Power amplifier applications ¡¤ Recommended for 100W high fidelity audio frequency amplifier output stage PINNING PIN 1 2 3 Emitter Collector;connected to mounting base Base Fi |
 Inchange Semiconductor |
|
| 1 | 2SA1987 | Trans GP BJT PNP 230V 15A 3-Pin(3+Tab) TO-3PL |
 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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