Parts · Transistors
NTE103A
Ge NPN BJT TH.4 circuits use this part.
Substitutes Ge 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 |
|---|---|---|---|---|---|
| NTE103A | 63 | 32 V | 1000 mA | 0.65 W | 2.3 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| GT404B | 60 | 25 V | 500 mA | 0.6 W | 1 MHz | 1 |
| 2SD352 | 100 | 30 V | 1000 mA | 0.6 W | 2 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| AC141H | 40 | 30 V | 1200 mA | 0.72 W | 1 MHz |
| AC402 | 25 | 32 V | 1500 mA | 0.5 W | |
| SFT186 | 40 | 140 V | 90 MHz | ||
| 2N102 | 10 | 30 V | 1500 mA | 1 W | 0.4 MHz |
| 2N144 | 10 | 30 V | 800 mA | 1 W | 0.2 MHz |
| 2N142 | 10 | 30 V | 800 mA | 1.5 W | 0.2 MHz |
| 2N468 | 15 | 45 V | 3000 mA | 12 W | 0.1 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Frantone Bass Sweet Vero20×18 Unverified FS25444 838 · MPSA18 · NTE103A Frantone Bass Sweet | Frantone Bass Sweet | Fuzz | Dirtbox Layouts | — | 3 | — | 28 | |
| Frantone The Sweet Vero20×18 Unverified FS25444 838 · MPSA18 · NTE103A Frantone The Sweet | Frantone The Sweet | Fuzz | Dirtbox Layouts | — | 3 | — | 25 | |
| Frantone The Sweet Perfboard Unverified FS25444 · MPSA18 · NTE103A Frantone The Sweet | Frantone The Sweet | Distortion | Effects Layouts (blog) | — | 3 | — | 24 | |
| Frantone The Sweet Vero20×18 Verified FS25444 838 · MPSA18 · NTE103A Frantone The Sweet | Frantone The Sweet | Fuzz | Tagboard Effects | — | 3 | — | 27 |