| No | Part number | Description ( Function ) | Manufacturers | |
| 5 | BFU520 | NPN wideband silicon RF transistor 627% BFU520 NPN wideband silicon RF transistor Rev. 2 — 5 March 2014 Product data sheet 1. Product profile 1.1 General description NPN silicon RF transistor for high speed, low noise applications in a plastic, 4-pin dual-emitter SOT143B package. The BFU520 is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz. 1. |
 NXP Semiconductors |
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| 4 | BFU520A | NPN wideband silicon RF transistor 627 BFU520A NPN wideband silicon RF transistor Rev. 1 — 13 January 2014 Product data sheet 1. Product profile 1.1 General description NPN silicon RF transistor for high speed, low noise applications in a plastic, 3-pin SOT23 package. The BFU520A is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz. 1.2 Features a |
NXP Semiconductors |
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| 3 | BFU520W | NPN wideband silicon RF transistor 627 BFU520W NPN wideband silicon RF transistor Rev. 1 — 13 January 2014 Product data sheet 1. Product profile 1.1 General description NPN silicon RF transistor for high speed, low noise applications in a plastic, 3-pin SOT323 package. The BFU520W is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz. 1.2 Features |
NXP Semiconductors |
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| 2 | BFU520X | NPN wideband silicon RF transistor 627% BFU520X NPN wideband silicon RF transistor Rev. 2 — 5 March 2014 Product data sheet 1. Product profile 1.1 General description NPN silicon RF transistor for high speed, low noise applications in a plastic, 4-pin dual-emitter SOT143B package. The BFU520X is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz. |
NXP Semiconductors |
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| 1 | BFU520XR | NPN wideband silicon RF transistor BFU520XR NPN wideband silicon RF transistor Rev. 1 — 5 March 2014 Product data sheet 1. Product profile 1.1 General description NPN silicon RF transistor for high speed, low noise applications in a plastic, 4-pin dual-emitter SOT143R package. The BFU520XR is part of the BFU5 family of transistors, suitable for small signal to medium power applications up to 2 GHz. 1.2 Fea |
NXP Semiconductors |
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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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