Parts · Transistors
2N222A
3 circuits use this part. Listed as: TO-92 Inline Wide-large-solderpads.
Substitutes Ge PNP 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 |
|---|---|---|---|---|---|
| 2N222 | 20 | 12 V | 70 mA | 0.07 W | 0.4 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| NKT275 | 30 | 15 V | 250 mA | 0.2 W | 0.5 MHz | 3 |
| OC76 | 30 | 32 V | 125 mA | 0.125 W | 0.1 MHz | 1 |
| GT402D | 30 | 25 V | 500 mA | 0.6 W | 1 MHz | 1 |
| NKT213 | 50 | 18 V | 250 mA | 0.2 W | 0.5 MHz | 1 |
| MP41A | 50 | 30 V | 150 mA | 0.15 W | 1 MHz | 1 |
| OC79 | 50 | 13 V | 300 mA | 0.55 W | 0.2 MHz | 1 |
| AC128 | 45 | 16 V | 1000 mA | 1 W | 1 MHz | 9 |
| 2G381 | 75 | 20 V | 500 mA | 0.25 W | 1 MHz | 1 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| OC602 | 20 | 12 V | 50 mA | 0.08 W | 0.3 MHz |
| OC360 | 20 | 15 V | 35 mA | 0.06 W | 0.3 MHz |
| OC603 | 20 | 12 V | 50 mA | 0.08 W | 0.25 MHz |
| AC530 | 20 | 15 V | 50 mA | 0.125 W | |
| OC623 | 20 | 15 V | 50 mA | 0.05 W | 0.5 MHz |
| 2N1450 | 20 | 20 V | 100 mA | 0.12 W | |
| OC330 | 18 | 15 V | 35 mA | 0.075 W | 0.3 MHz |
| OC816 | 20 | 15 V | 50 mA | 0.08 W | 0.2 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Scorpion Boost 2N222A | Catalinbread Naga Viper | Boost | Five Cats Pedals | — | 3 | £4.00 | 15 | |
| The M Drive 2N222A | Emerson Custom EM-DRIVE Transparent Overdrive | Boost | Five Cats Pedals | — | 2 | £3.50 | 9 | |
| Freeloader 2N222A · 2N3906 · 2N5088 | EHX Lizard Queen | Fuzz | Madbean | 1590B | 3 | $10.00 | 30 |