| No | Part number | Description ( Function ) | Manufacturers | |
| 8 | NTE297 | Silicon Complementary Transistors Audio Amplifier / Driver NTE297 (NPN) & NTE298 (PNP) Silicon Complementary Transistors Audio Amplifier, Driver Features: D High Collector–Emitter Voltage D Ideal for 25 – 30W Low–Frequency Output Drive Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
 NTE |
|
| 7 | NTE2970 | MOSFET N-Channel / Enhancement Mode High Speed Switch NTE2970 MOSFET N–Channel, Enhancement Mode High Speed Switch Applications: D SMPS D DC–DC Converter D Battery Charger D Power Supply of Printer D Copier D HDD, FDD, TV, VCR D Personal Computer Absolute Maximum Ratings: (TC = +25°C unless otherwise specified) Drain–Source Voltage (VGS = 0V), VDSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
NTE |
|
| 6 | NTE2971 | MOSFET N-Channel / Enhancement Mode High Speed Switch NTE2971 MOSFET N–Channel, Enhancement Mode High Speed Switch Applications: D SMPS D DC–DC Converter D Battery Charger D Power Supply of Printer D Copier D HDD, FDD, TV, VCR D Personal Computer Absolute Maximum Ratings: (TC = +25°C unless otherwise specified) Drain–Source Voltage (VGS = 0V), VDSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
NTE |
|
| 5 | NTE2972 | MOSFET N-Channel / Enhancement Mode High Speed Switch NTE2972 MOSFET N–Channel, Enhancement Mode High Speed Switch Applications: D SMPS D DC–DC Converter D Battery Charger D Power Supply of Printer D Copier D HDD, FDD, TV, VCR D Personal Computer Absolute Maximum Ratings: (TC = +25°C unless otherwise specified) Drain–Source Voltage (VGS = 0V), VDSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
NTE |
|
| 4 | NTE2973 | MOSFET N-Channel / Enhancement Mode High Speed Switch NTE2973 MOSFET N–Channel, Enhancement Mode High Speed Switch Applications: D SMPS D DC–DC Converter D Battery Charger D Power Supply of Printer D Copier D HDD, FDD, TV, VCR D Personal Computer Absolute Maximum Ratings: (TC = +25°C unless otherwise specified) Drain–Source Voltage (VGS = 0V), VDSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
NTE |
|
| 3 | NTE2974 | MOSFET N-Channel / Enhancement Mode High Speed Switch NTE2974 MOSFET N–Channel, Enhancement Mode High Speed Switch Features: D Low On–State Resistance: RDS(on) = 1.1Ω Max (VGS = 10V, ID = 3A) D Low Input Capacitance: Ciss = 1150pF Typ D High Avalanche Capability Ratings D Isolated TO220 Type Package Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Drain–to–Source Voltage, VDSS . . . . . . . . . . . . . |
NTE |
|
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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