125B
18V Bypass
- Category
- Utility
- Price
- see vendor
Schematic
The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 15 rows
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ocr read from an image · sch paired from the schematic · fixed corrected by hand. Check marked values against the build document.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 1 | ||||
| LEDR | 4.7k | 4.7k | Metal film resistor, 1/4W | LED current-limiting resistor. Recommended value is 4.7k. |
| Capacitors 8 | ||||
| ×2 | 470n | 470n | MLCC capacitor, X7R | shopping list |
| ×2 | 10uF | 10u | Electrolytic capacitor, 5mm | shopping list |
| ×1 | 100uF | 100u | Electrolytic capacitor, 6.3mm | shopping list |
| C2 | 100uFsch | 100u | ||
| C10 | 470nsch | 470n | ||
| C11 | 10uFsch | 10u | ||
| C12 | 10uFsch | 10u | ||
| C13 | 470nsch | 470n | ||
| Diodes 4 | ||||
| ×1 | 1N4742A | 1N4742A / 12V | Zener diode, 12V, DO-41 | shopping list |
| ×3 | 1N5817 | 1N5817 | Schottky diode, DO-41 | Can also substitute 1N4001, but the output voltage will be slightly lower. |
| D3 | 1N5817sch | 1N5817 | ||
| D1 | 1N5817sch | 1N5817 | ||
| ICs 2 | ||||
| ×1 | TC1044SCPA | TC1044SCPA | Charge pump, DIP-8 | Can also use LT1054 (higher quality but more expensive). |
| IC1 | LT1054/sch | LT1054/ | ||