audio-psu
stefaweb
Some power supply PCBs I developed.
Components (35)
| Reference | Value | Description |
|---|---|---|
| Q1,Q3 | BC548B | 0.1A Ic, 30V Vce, Small Signal NPN Transistor, TO-92 |
| Q2 | BC558B | 0.1A Ic, 30V Vce, PNP Small Signal Transistor, TO-92 |
| Q4 | BC556B | BJT PNP -65V 100mA HFE/450 |
| Q5 | BC546B | 0.1A Ic, 30V Vce, Small Signal NPN Transistor, TO-92 |
| Q6,Q8 | IRFZ24NPBF | MOSFET MOSFT 55V 17A 70mOhm 13.3nC |
| Q7,Q9 | IRF9Z34NPBF | MOSFET MOSFT PCh -55V -17A 100mOhm 23.3nC |
| U1,U2 | ZHB6792TA | Bipolar Transistors - BJT H-Bridge-70V |
| C1,C2 | 100nF | |
| C3,C4,C16,C17 | 1uF 100V | |
| C5-C8 | 220uF 80v | Low ESR capacitor |
| C9-C11 | 100uF 80v | |
| C12,C13 | 3900pF | |
| C14,C15 | 220pF | |
| CR1,CR2 | E-202 | Current regulator diode E-202 |
| CR3,CR4 | E-562 | Current regulator diode E-562 |
| D1,D2 | 1N5819 | 40V 1A Schottky Barrier Rectifier Diode, DO-41 |
| D3-D6 | 1N4148 | 100V 0.15A standard switching diode, DO-35 |
| D7,D8 | LED | |
| HS1-HS4 | 531202B21G | Heatsink AAVID 531202B21G Vertical, 12.7x34.92x50.8mm |
| J1-1 | V+ (IN) | |
| J1-2,J2-3-J2-5 | GND | |
| J1-3 | V- (IN) | |
| J2-1,J2-2 | V+ | |
| J2-6,J2-7 | V- | |
| R1,R2,R15,R18,R19,R22,R23,TR1 | 10K | Trim-potentiometer 10K |
| R3 | 4K7 | |
| R4 | 100K | |
| R5 | 47K | |
| R6 | 510K | |
| R7 | 27K | |
| R8,R10-R14 | 100R | |
| R9 | 1K | |
| R16,R17,R20,R21 | 0R47 5W | |
| R44 | 330K | |
| SR1 | TL431B | Shunt Regulator, TO-92, 0.4% |