| No | Part number | Description ( Function ) | Manufacturers | |
| 23 | A45 | 1000 TO 4000 MHz CASCADABLE AMPLIFIER A45/SMA45 1000 TO 4000 MHz CASCADABLE AMPLIFIER · HIGH GAIN: 17.5 dB (TYP.) · LOW NOISE: 4.5 dB (TYP.) · HIGH OUTPUT POWER: +19.5 dBm (TYP.) · GaAs FET DESIGN Specifications (Rev. Date: 1/01)* Characteristics Frequency Small Signal Gain (min.) Gain Flatness (max.) Reverse Isolation Noise Figure (max.) Power Output @ 1 dB comp. (min.) IP3 IP2 Second Order Harmonic IP VSWR In |
 Tyco Electronics |
|
| 22 | A450 | (A450 - A452) GAS DISCHARGE TUBE GAS DISCHARGE TUBE 8x10mm 451 /A 452 5 0/A No. A4 A45 0/A451 451/A /A452 Littelfuse series SL1021A. 3-electrode (20kA/10A) Enhanced Discharge Series This product is not recommended Features for new designs. Please refer to Non-radioactive Lead Free Failsafe Option Specifications Packaging A450: 00=Bulk (2.000 pcs.) A450/F: 00_Bulk (500 pcs.) A451: 04=Tray |
 Littelfuse |
|
| 21 | A451 | GENERAL PURPOSE RECTIFIER |
 Powerex Power Semiconductors |
|
| 20 | A451 | (A450 - A452) GAS DISCHARGE TUBE GAS DISCHARGE TUBE 8x10mm 451 /A 452 5 0/A No. A4 A45 0/A451 451/A /A452 Littelfuse series SL1021A. 3-electrode (20kA/10A) Enhanced Discharge Series This product is not recommended Features for new designs. Please refer to Non-radioactive Lead Free Failsafe Option Specifications Packaging A450: 00=Bulk (2.000 pcs.) A450/F: 00_Bulk (500 pcs.) A451: 04=Tray |
Littelfuse |
|
| 19 | A452 | (A450 - A452) GAS DISCHARGE TUBE GAS DISCHARGE TUBE 8x10mm 451 /A 452 5 0/A No. A4 A45 0/A451 451/A /A452 Littelfuse series SL1021A. 3-electrode (20kA/10A) Enhanced Discharge Series This product is not recommended Features for new designs. Please refer to Non-radioactive Lead Free Failsafe Option Specifications Packaging A450: 00=Bulk (2.000 pcs.) A450/F: 00_Bulk (500 pcs.) A451: 04=Tray |
Littelfuse |
|
| 18 | A4533 | LOW POWER AMPLIFIER UNISONIC TECHNOLOGIES CO., LTD A4533 LOW POWER AMPLIFIER FOR HEADPHONE STEREOS FEATURES * Low current consumption. * 16Ω load drive capability. * Excellent reduced voltage characteristics. * High power supply ripple rejection. * Fewer external components required. * High voltage gain. * Less harmonic interference in radio band. * Built in power switch and muting function. LI |
 Unisonic Technologies |
|
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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