| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | X9521 | Dual DCP/ EEPROM Memory Hot Pluggable Preliminary Information X9521 Dual DCP, EEPROM Memory Fiber Channel / Gigabit Ethernet Laser Diode Control for Fiber Optic Modules FEATURES • Two Digitally Controlled Potentiometers (DCP’s) —100 Tap - 10kΩ —256 Tap - 100kΩ —Non-Volatile —Write Protect Function • 2 kbit EEPROM Memory with Write Protect & Block LockTM • 2-Wire industry standar |
 Xicor |
|
| 1 | X9521 | EEPROM Memory NS ESI G D W R NE UC T D FO E PROD 520 E D M EN I TU T 9, X9 COM SUBST SL2232Data E Sheet R NOT SSIBLE 22326, I O L P S 20, I X958 ® X9521 Dual DCP, EEPROM Memory January 3, 2006 FN8207.1 Fiber Channel/Gigabit Ethernet Laser Diode Control for Fiber Optic Modules FEATURES • Two Digitally Controlled Potentiometers (DCP’s) —100 Tap - 10kΩ —256 Tap - 100kΩ —Non-Volat |
 Intersil Corporation |
|
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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