Parts · Transistors
AC176
Ge NPN BJT TO-1 TH.20 circuits use this part. Listed as: Semiconductors.
Selector table · a row in a maker's catalog, not a full datasheet; the part is discontinued
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 |
|---|---|---|---|---|---|
| AC176 | 52 | 20 V | 1000 mA | 0.22 W | 1 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 |
| NTE103A | 63 | 32 V | 1000 mA | 0.65 W | 2.3 MHz | 4 |
| AC187 | 100 | 15 V | 2000 mA | 0.225 W | 1 MHz | 7 |
| 2SD352 | 100 | 30 V | 1000 mA | 0.6 W | 2 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| SFT377 | 50 | 16 V | 600 mA | 0.25 W | 1 MHz |
| NKT713 | 50 | 15 V | 500 mA | 0.15 W | 1 MHz |
| AC186 | 60 | 18 V | 700 mA | 0.215 W | 1 MHz |
| NKT781 | 52 | 20 V | 1000 mA | 0.215 W | 0.5 MHz |
| 2N525 | 44 | 30 V | 500 mA | 0.225 W | 1 MHz |
| 2N2430 | 60 | 32 V | 500 mA | 0.25 W | 1 MHz |
| AC185 | 50 | 16 V | 500 mA | 0.27 W | 2 MHz |
| AC181 | 50 | 16 V | 1000 mA | 0.3 W | 2 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Eva 2N2222A · 2N3700 · 2N5088 · AC128 Spaceman Effects Gemini IV · 1590BBS | Spaceman Effects Gemini IV | Fuzz | Dead End FX | 1590BBS | 6 | $15.00 | 76 | |
| Fuzzimile 2N2222 · 2N2222A · 2N3700 · 2N5088 Spaceman Effects Gemini III · 1590BBS | Spaceman Effects Gemini III | Fuzz | Dead End FX | 1590BBS | 3 | $15.00 | 66 | |
| Earthquaker Devices Hoof Reaper Vero24×29 Verified 2N1306 · 2N3904 · 2N5087 · 2N5089 EarthQuaker Devices Hoof Reaper | EarthQuaker Devices Hoof Reaper | Distortion | Dirtbox Layouts | — | 8 | — | 49 | |
| Earthquaker Devices Tone Reaper Vero15×11 Verified AC176 · MPSA18 EarthQuaker Devices Tone Reaper | EarthQuaker Devices Tone Reaper | Fuzz | Dirtbox Layouts | — | 3 | — | 22 | |
| Spaceman Effects Gemini III Vero23×25 Verified 2N2222A · 2N3700 · 2N5088 · AC128 Spaceman Effects Gemini III | Spaceman Effects Gemini III | Fuzz | Dirtbox Layouts | — | 3 | — | 47 | |
| Spaceman Effects Gemini IV Vero26×25 Unverified 2N2222A · 2N5088 · AC128 · AC176 Spaceman Effects Gemini IV | Spaceman Effects Gemini IV | Fuzz | Dirtbox Layouts | — | 6 | — | 46 | |
| Earthquaker Devices Tone Reaper Perfboard Verified AC176 · MPSA18 EarthQuaker Devices Tone Reaper | EarthQuaker Devices Tone Reaper | Fuzz | Effects Layouts (blog) | — | 3 | — | 23 | |
| Pink Jimi Photon - Dirty Bad!! Model One Driver Perfboard Verified AC176 · BC547 Pink Jimi Photon - Dirty Bad!! Model One Driver | Pink Jimi Photon - Dirty Bad!! Model One Driver | Fuzz | Effects Layouts (blog) | — | 4 | — | 21 | |
| Pink Jimi Photon Photonic Juergulator Mk 2 Perfboard Verified AC176 · BC550 Pink Jimi Photon Photonic Juergulator Mk 2 | Pink Jimi Photon Photonic Juergulator Mk 2 | Overdrive | Effects Layouts (blog) | — | 4 | — | 19 | |
| Spaceman Effects Gemini III Dual Fuzz Generator Perfboard Verified 2N2222A · AC128 · AC176 Spaceman Effects Gemini III · 125B | Spaceman Effects Gemini III | Fuzz | Effects Layouts (blog) | 125B | 3 | — | 47 | |
| Range Master Plus Si/Ge 2N2222 · AC176 Dallas Arbiter Rangemaster · 1590B | Dallas Arbiter Rangemaster | Boost | Fuzz Dog | 1590B | 2 | £33.60 | 14 | |
| 14X32 2N2222 · AC176 Catalinbread Naga Viper | Catalinbread Naga Viper | Overdrive | Moonn Electronics | — | 3 | €4.50 | 17 | |
| Creep AC176 · MPSA18 EarthQuaker Devices Tone Reaper | EarthQuaker Devices Tone Reaper | Fuzz | Moonn Electronics | — | 3 | €4.50 | 29 | |
| Reaper Device 2N5088 · AC176 EarthQuaker Devices Tone Reaper · 1590B | EarthQuaker Devices Tone Reaper | Fuzz | PCB Guitar Mania | 1590B | 3 | €9.90 out | 30 | |
| Tone Reaper AC176 · MPSA18 EarthQuaker Devices Tone Reaper | EarthQuaker Devices Tone Reaper | Other | PCBWay: Glory to Ukraine | — | 3 | — | 23 | |
| stRange Master 2N2222 · AC176 Dallas Arbiter Rangemaster | Dallas Arbiter Rangemaster | Other | PCBWay: Glory to Ukraine | — | 1 | — | 15 | |
| Scythe Fuzz AC176 · MPSA18 EarthQuaker Devices Tone Reaper · 125B | EarthQuaker Devices Tone Reaper | Fuzz | PedalPCB | 125B | 3 | $8.00 | 30 | |
| War Scythe 2N1308 · 2N3904 · 2N3906 · 2N5089 EarthQuaker Devices Hoof Reaper · 1590XX | EarthQuaker Devices Hoof Reaper | Fuzz | PedalPCB | 1590XX | 4 | $15.00 | 106 | |
| Earthquaker Devices Tone Reaper Vero18×10 Verified AC176 · MPSA18 EarthQuaker Devices Tone Reaper | EarthQuaker Devices Tone Reaper | Fuzz | Tagboard Effects | — | 3 | — | 23 | |
| Fallstaff OD Vero15×11 Verified 2N2925 · AC176 Fallstaff OD | Fallstaff OD | Boost | Tagboard Effects | — | 2 | — | 19 |