| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | FZT690B | NPN SILICON PLANAR MEDIUM POWER HIGH GAIN TRANSISTOR NPN SILICON PLANAR MEDIUM POWER HIGH GAIN TRANSISTOR ISSUE 3 - OCTOBER 1995 FEATURES * Very low equivalent on-resistance; RCE(sat) 125mΩ at 2A * Gain of 400 at IC=1 Amp * Very low saturation voltage APPLICATIONS * Darlington replacement * Siren Drivers, DC-DC converters PARTMARKING DETAIL FZT690B FZT690B C E C B VALUE 45 45 5 6 3 2 -55 to +150 UNIT V V V A A W °C ABSOL |
 Zetex Semiconductors |
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| 1 | FZT690B | NPN Silicon Planar Medium Power High Gain Transistor SMD Type Transistors NPN Silicon Planar Medium Power High Gain Transistor FZT690B 0.1max +0.050.90 -0.05 +0.151.65 -0.15 Features Very low equivalent on-resistance; RCE(sat) 125mÙ at 2A. Gain of 400 at IC=1 Amp. Very low saturation voltage. SOT-223 6.50+0.2 -0.2 3.00+0.1 -0.1 4 Unit: mm 3.50+0.2 -0.2 0.90+0.2 -0.2 7.00+0.3 -0.3 Absolute Maximum Ratings Ta = 25 Parameter |
 Kexin |
|
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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