| No | Part number | Description ( Function ) | Manufacturers | |
| 8 | TR12 | Diode (spec sheet) |
 American Microsemiconductor |
|
| 7 | TR12 | Transistor |
 Tesla Elektronicke |
|
| 6 | TR1206 | TRIMMABLE CHIP RESISTORS DATA SHEET TRIMMABLE CHIP RESISTORS TR series 0/-10%, 0/-20%, 0/-30% sizes 0402/0603/0805/1206 RoHS compliant Product specification – Jan 14, 2009 V.1 Supersedes Date of Mar. 06, 2003 Product specification 2 Chip Resistor Surface Mount TR SERIES 0402/0603/0805/1206 (RoHS Compliant) 8 SCOPE This specification describes TR0402 to TR1206 trimmable chip resistors with lead-f |
 Yageo |
|
| 5 | TR1206 | Thin Film Chip Resistor ■ Thin Film Chip Resistor — TR Series ■ Construction 1 Alumina Substrate 2 Bottom Electrode (Ag) 3 Top Electrode (Ag/Pd) 4 Barrier Layer (Ni) 5 External Electrode (Sn) 6 Resistor Layer (NiCr) 7 Primary Overcoat (Epoxy) 8 Marking ■ Application — Medical equipments, Military equipments — Converters — Consumer products — Communication devices — Measurement ins |
 EVER OHMS TECHNOLOGY |
|
| 4 | TR1210 | Thin Film Chip Resistor ■ Thin Film Chip Resistor — TR Series ■ Construction 1 Alumina Substrate 2 Bottom Electrode (Ag) 3 Top Electrode (Ag/Pd) 4 Barrier Layer (Ni) 5 External Electrode (Sn) 6 Resistor Layer (NiCr) 7 Primary Overcoat (Epoxy) 8 Marking ■ Application — Medical equipments, Military equipments — Converters — Consumer products — Communication devices — Measurement ins |
EVER OHMS TECHNOLOGY |
|
| 3 | TR1210 | SILICON CONTROLLED RECTIFIER 2N1842-2N1850A TR1010-TR9010 High-reliability discrete products and engineering services since 1977 SILICON CONTROLLED RECTIFIER FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS |
 Digitron Semiconductors |
|
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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