| No | Part number | Description ( Function ) | Manufacturers | |
| 3 | OPB902 | (OPB900 - OPB913) Slotted Optical Switch ® Photologic Slotted Optical Switch “Wide Gap” Series OPB900 through OPB913 Series (L, W__Z) L Series Features: • • • • • 0.375” (9.5 mm) wide gap Choice of logical output configurations Choice of opaque or IR transmissive housing material Choice of PCBoard or 26 AWG, UL rated wire Data rates to 250 kBaud W Series Product Photo Here Descr |
 TT |
|
| 2 | OPB902L | (OPB900L - OPB910L) Photologic Slotted Optical Switches |
 OPTEK |
|
| 1 | OPB902W | (OPB900W - OPB910W) Photologic Slotted Optical Switches January 2006 For RoHS compliant devices add "Z" to the end of the part number: OPB900W55Z |
OPTEK |
|
[1]
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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