Parts · Transistors
MPSA14
Si NPN Darlington BJT TO-92 TH.29 circuits use this part. Listed as: Darlington transistor, NPN, TO-92; Darlington transistor, TO-92; BJT darlington transistor, NPN; Transistor MPSA14.
Datasheet · from onsemi.com
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 |
|---|---|---|---|---|---|
| MPSA14 | 10 | 30 V | 300 mA | 0.31 W | 125 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| MPSA13 | 5 | 30 V | 300 mA | 0.33 W | 125 MHz | 110 |
| 2N497 | 12 | 60 V | 600 mA | 4 W | 30 MHz | 1 |
| 2N5845 | 25 | 40 V | 1000 mA | 0.625 W | 300 MHz | 1 |
| 2SC1175 | 40 | 45 V | 200 mA | 0.3 W | 170 MHz | 1 |
| PN100 | 40 | 35 V | 500 mA | 0.625 W | 200 MHz | 5 |
| 2N3904 | 40 | 40 V | 200 mA | 0.31 W | 300 MHz | 870 |
| 2N3568 | 40 | 60 V | 200 mA | 0.3 W | 60 MHz | 1 |
| 2N1613 | 40 | 50 V | 600 mA | 0.8 W | 80 MHz | 3 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| MPSA27 | 10 | 60 V | 500 mA | 0.325 W | 125 MHz |
| MPSA25 | 10 | 40 V | 500 mA | 0.625 W | 125 MHz |
| 2SC456 | 10 | 30 V | 600 mA | 0.75 W | 100 MHz |
| MPSA26 | 10 | 50 V | 500 mA | 0.625 W | 125 MHz |
| BSS79 | 10 | 40 V | 800 mA | 0.35 W | 250 MHz |
| 2N707 | 9 | 25 V | 200 mA | 0.3 W | 200 MHz |
| 2SC3914 | 10 | 50 V | 500 mA | 0.3 W | 250 MHz |
| 2N1506A | 10 | 50 V | 500 mA | 0.8 W | 140 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Aperture Octave Fuzz 2N3904 · MPSA14 Ampeg Scrambler · 125B | Ampeg Scrambler | Fuzz | Aion FX | 125B | 3 | $12.50 | 53 | |
| Ensi Genxyde's Hybrid Distortion GERMANIUM · MPSA14 1590B | — | Distortion | delyk PCBs | 1590B | 4 | — | 24 | |
| Death by Audio Soundwave Breakdown Mk. II Vero20×13 Verified 2N5089 · MPSA14 Death By Audio Soundwave Breakdown 2 | Death By Audio Soundwave Breakdown 2 | Fuzz | Dirtbox Layouts | — | 3 | — | 25 | |
| MXR Custom Badass '78 Distortion Vero19×23 Unverified 2N5089 · MPSA14 · TLC2262 MXR Custom Badass '78 Distortion | MXR Custom Badass '78 Distortion | Distortion | Dirtbox Layouts | — | 3 | — | 38 | |
| MXR Custom Badass Modified OD Vero18×19 Unverified MC33178 · MPSA14 MXR Custom Badass Modified OD | MXR Custom Badass Modified OD | Overdrive | Dirtbox Layouts | — | 2 | — | 33 | |
| MXR Distortion III Vero17×14 Verified MC33178P · MPSA14 MXR Distortion III | MXR Distortion III | Distortion | Dirtbox Layouts | — | 3 | — | 28 | |
| Resonant Field Effects Acceleron Fuzz Vero18×15 Verified 2N5457 · MPSA14 · MPSA18 Resonant Field Effects Acceleron Fuzz | Resonant Field Effects Acceleron Fuzz | Fuzz | Dirtbox Layouts | — | 2 | — | 27 | |
| Seppuku Fx Sub Octave Synth Vero16×16 Verified 2N5088 · CD4046 · MPSA14 Seppuku Sub Octave Synth | Seppuku Sub Octave Synth | Fuzz | Dirtbox Layouts | — | 3 | — | 22 | |
| Ampeg Scrambler Perfboard Verified 2N5088 · MPSA14 Ampeg Scrambler | Ampeg Scrambler | Fuzz | Effects Layouts (blog) | — | 2 | — | 21 | |
| Field Effects Acceleron Fuzz Perfboard Verified 2N5457 · MPSA14 · MPSA18 Resonant Field Effects Acceleron Fuzz | Resonant Field Effects Acceleron Fuzz | Fuzz | Effects Layouts (blog) | — | 2 | — | 25 | |
| MXR Custom Badass '78 Distortion Perfboard Verified MPSA14 · TLC2262 MXR Custom Badass '78 Distortion | MXR Custom Badass '78 Distortion | Distortion | Effects Layouts (blog) | — | 3 | — | 36 | |
| MXR Custom Badass Modified OD Perfboard Verified MC33178 · MPSA14 MXR Custom Badass Modified OD · 1590B | MXR Custom Badass Modified OD | Overdrive | Effects Layouts (blog) | 1590B | — | — | 32 | |
| MXR Distortion III Perfboard Unverified MC33178P · MPSA14 MXR Distortion III | MXR Distortion III | Distortion | Effects Layouts (blog) | — | 3 | — | 29 | |
| Sub Synth 2N5088 · CD4046 · CD4046BE · MPSA14 Octave Synth · 1590B | Octave Synth | Fuzz | Fuzz Dog | 1590B | 3 | £30.00 | 30 | |
| GT-OD (GTOD) MC33178 · MPSA14 | — | Overdrive | Guitar-Electronics.eu | — | 3 | €6.25 | 35 | |
| ZW44 MC33178 · MPSA14 MXR ZW-44 Wylde Overdrive | MXR ZW-44 Wylde Overdrive | Overdrive | Guitar-Electronics.eu | — | 3 | €6.25 | 35 | |
| Berzerk Overdrive MC33178P · MPSA14 MXR ZW-44 Zakk Wylde Overdrive · 1590B | MXR ZW-44 Zakk Wylde Overdrive | Overdrive | HotKits | 1590B | 3 | $2.00 | 24 | |
| Eggsploder 2N5088 · MPSA14 Ampeg Scrambler · 1590B | Ampeg Scrambler | Fuzz | Madbean | 1590B | 3 | $10.00 | 50 | |
| Odyssey PCB 2N5088 · MPSA14 · MPSA64 · PGM5526 LDR 1590N1 | — | Phaser | Mod Electronics | 1590N1 | 2 | $4.95 | 44 | |
| Custom Badass Modified OD 2N5088 · MC33178P · MPSA14 MXR Custom Badass Modified OD | MXR Custom Badass Modified OD | Overdrive | PCBWay: Glory to Ukraine | — | 3 | — | 35 | |
| MXR Custom Badass Modified OD 2N5088 · MC33178P · MPSA14 | — | Overdrive | PCBWay: Glory to Ukraine | — | — | — | 50 | |
| MXR Distortion III MC33178 · MPSA14 | — | Distortion | PCBWay: Glory to Ukraine | — | 3 | — | 29 | |
| MXR Zakk Wylde Overdrive ZW-44 MC33178 · MPSA14 | — | Overdrive | PCBWay: Glory to Ukraine | — | 3 | — | 25 | |
| Underminer Sub-Octave Synthesizer 2N5088 · CD4046 · MPSA14 Seppuku Sub Octave Synth · 125B | Seppuku Sub Octave Synth | Fuzz | PedalPCB | 125B | 5 | $10.00 | 32 | |
| MXR Custom Badass '78 Distortion Vero21×18 Verified MPSA14 · TLC2262 MXR Custom Badass '78 Distortion | MXR Custom Badass '78 Distortion | Distortion | Tagboard Effects | — | 3 | — | 33 | |
| MXR Distortion III Vero20×13 Verified MC33178P · MPSA14 MXR Distortion III | MXR Distortion III | Distortion | Tagboard Effects | — | 3 | — | 30 | |
| MXR GT-OD Vero20×12 Verified MC33178P · MPSA14 MXR GT-OD | MXR GT-OD | Distortion | Tagboard Effects | — | 3 | — | 24 | |
| MXR ZW44 Zakk Wylde Vero19×12 Verified MC33178P · MPSA14 MXR ZW-44 Zakk Wylde Overdrive | MXR ZW-44 Zakk Wylde Overdrive | Distortion | Tagboard Effects | — | 3 | — | 23 | |
| Resonant Electronics Acceleron Fuzz Vero14×17 Verified 2N5457 · MPSA14 · MPSA18 Resonant Electronics Acceleron Fuzz | Resonant Electronics Acceleron Fuzz | Fuzz | Tagboard Effects | — | 2 | — | 27 |