Parts · Transistors
2SC1685
Si NPN BJT.2 circuits use this part.
Substitutes Si NPN transistor
Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.
This part
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| 2SC1685 | 650 | 50 V | 100 mA | 0.25 W | 75 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| 2N5962 | 600 | 45 V | 50 mA | 0.625 W | 100 MHz | 2 |
| MPSA18 | 800 | 45 V | 100 mA | 0.31 W | 100 MHz | 322 |
| 2SC1815BL | 500 | 50 V | 150 mA | 0.4 W | 80 MHz | 4 |
| 2SC1583 | 500 | 50 V | 100 mA | 0.4 W | 150 MHz | 3 |
| BC850C | 520 | 45 V | 100 mA | 0.2 W | 300 MHz | 1 |
| BC847C | 520 | 45 V | 100 mA | 0.2 W | 300 MHz | 1 |
| 2N5828 | 400 | 40 V | 100 mA | 0.36 W | 90 MHz | 1 |
| 2SC2458BL | 350 | 50 V | 150 mA | 0.2 W | 80 MHz | 1 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| 2SC3113 | 600 | 50 V | 150 mA | 0.2 W | 100 MHz |
| 2SC3113A | 600 | 50 V | 150 mA | 0.2 W | 100 MHz |
| 2SC3112 | 600 | 50 V | 150 mA | 0.4 W | 100 MHz |
| 2SC3112A | 600 | 50 V | 150 mA | 0.4 W | 100 MHz |
| 2SC3295 | 600 | 50 V | 150 mA | 0.15 W | 100 MHz |
| 2SC3295A | 600 | 50 V | 150 mA | 0.15 W | 100 MHz |
| BF523 | 600 | 45 V | 50 mA | 0.625 W | 100 MHz |
| 2SC1736 | 500 | 50 V | 100 mA | 0.5 W | 75 MHz |