No | Part number | Description ( Function ) | Manufacturers | |
2 | STR-W6253D | PWM Off-Line Switching Regulator ICs STR-W6251D, STR-W6252D, and STR-W6253D PWM Off-Line Switching Regulator ICs Features and Benefits ▪ TO-220 fully-molded package with 6 pins ▪ Current mode PWM control ▪ PWM and frequency modulation functions: reduces EMI noise, simplifies EMI filters, and cuts cost by external part reduction ▪ Built-in Slope Compensation circuit: avoids subharmonic oscillation ▪ Auto |
Sanken |
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1 | STR-W6253D | 60 W-Universal Input/90 W-230 Vac Input PWM Switching Regulators STR-W6253D 60 W-Universal Input/90 W-230 Vac Input PWM Switching Regulators Features and Benefits ▪ Overcurrent protection (OCP) with ac input voltage compensation function; no additional peripheral circuits required—minimizes dependency of OCP on ac input ▪ Overload protection (OLP) with integrated timer reduces power stress (temperature rise) at overload condition, requ |
Allegro Microsystems |
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 |