| No | Part number | Description ( Function ) | Manufacturers | |
| 3 | 2SC3552 | Silicon Epitaxial Planar Transistor(GENERAL DESCRIPTION) 2SC3552 GENERAL DESCRIPTION Silicon Epitaxial Planar Transistor Silicon NPN high frequency, high power transistors in a plastic envelope, primarily for use in audio and general purpose QUICK REFERENCE DATA SYMBOL MT-100 CONDITIONS VBE = 0V TYP MAX 1100 500 12 150 3 2.0 1.0UNIT V V A A W V V s VCESM VCEO IC ICM Ptot VCEsat VF tf PARAMETER Collector-emitter voltage peak val |
 Wing Shing Computer Components |
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| 2 | 2SC3552 | For Switching Regulators Ordering number:EN1597C NPN Triple Diffused Planar Silicon Transistor 2SC3552 800V/12A Switching Regulator Applications Features · High breakdown voltage and high reliability. · Fast switching speed (tf : 0.1µs typ). · Wide ASO. · Adoption of MBIT process. Package Dimensions unit:mm 2022A [2SC3552] Specifications Absolute Maximum Ratings at Ta = 25 |
 Sanyo Semicon Device |
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| 1 | 2SC3552 | Silicon NPN Power Transistor INCHANGE Semiconductor isc Product Specification isc Silicon NPN Power Transistor 2SC3552 DESCRIPTION ·High Breakdown Voltage ·High Switching Speed ·Wide Area of Safe Operation APPLICATIONS ·Designed for switching regulator applications. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage 1100 V VCEO Co |
 Inchange Semiconductor |
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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 |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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