| No | Part number | Description ( Function ) | Manufacturers | |
| 5 | NE545 | Dolby B Noise Processor EiInEtiEf, DESCRIPTION T h e N E 5 4 5 i s t h e m o n o l i t h i c i m p l e m e n t a t i o no f t h e D o l b y " B n o i s e r e d u c t i o n s y s t e m .T h i s c i r c u i t i s u s e d t o r e d u c et h e level of background noise introduced during recording and p l a y b a c ko f a u d i o s i g n a l s o n m a g n e t i ct a p e , a n d t o i m p r o v e t h e n o |
 Signetics |
|
| 4 | NE545BN | Molded Coils |
 TOKO |
|
| 3 | NE545BNAS | Molded Coils |
TOKO |
|
| 2 | NE545SN | Molded Coils |
TOKO |
|
| 1 | NE545SNAS | Molded Coils |
TOKO |
|
[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 |
|||