Parts · Diodes
1N4739
Si Zener 9.1 V 1 W DO-41 TH.22 circuits use this part. Listed as: Zener diode 1W, 9.1V.
Datasheet · from vishay.com
Substitutes same voltage
Zeners of the same voltage. The figures are read off each part's datasheet (this one's from page 2), typical where the sheet gives a typical value, otherwise the maximum. Closest first; the last column says what differs. A different part can change the sound, and a circuit may lean on one particular figure, so read the build document's notes before you swap.
This part
| Part | Vz | Power | Package | Boards |
|---|---|---|---|---|
| 1N4739 | 9.1 V | 1.3 W | DO-41 | 40 |
1.3 W zener in DO-41, ±5 % tolerance.
Alternatives
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Eclipse (Legacy) 4558 · JRC4558D · TC1044 · TC1044SCPA Korg SDD-3000 Preamp · 1590B | Korg SDD-3000 Preamp | Boost | Aion FX | 1590B | 3 | — | 35 | |
| Juansolo Fx Superjudge Vero17×11 Unverified 4558 · MAX1044 · TC1044 Juansolo Fx Superjudge | Juansolo Fx Superjudge | Distortion | Dirtbox Layouts | — | 3 | — | 21 | |
| PedalPCB MOSFET Driver Vero21×15 Verified BS170 · TL072 PedalPCB MOSFET Driver | PedalPCB MOSFET Driver | Overdrive | Dirtbox Layouts | — | 4 | — | 31 | |
| Pigtronix PolySaturator Vero27×23 Unverified 4558 · CD4049UB · CD4049UBE · J201 Pigtronix PolySaturator | Pigtronix PolySaturator | Distortion | Dirtbox Layouts | — | 5 | — | 44 | |
| Escobedo MOSFET Duende Perfboard Verified 2N7000 Escobedo MOSFET Duende · 1590A | Escobedo MOSFET Duende | Boost | Effects Layouts (blog) | 1590A | 1 | — | 11 | |
| Fulltone OCB Perfboard Unverified 2N5457 Fulltone OCB | Fulltone OCB | Utility | Effects Layouts (blog) | — | 1 | — | 12 | |
| Fulltone OCD V2 Perfboard Verified 2N5457 · 2N7000 · 2SC1815 · TL082 Fulltone OCD V2 · 1590B | Fulltone OCD V2 | Overdrive | Effects Layouts (blog) | 1590B | 3 | — | 35 | |
| Pink Jimi Photon 'Weetie Pi Perfboard Verified 2N5089 Pink Jimi Photon 'Weetie Pi | Pink Jimi Photon 'Weetie Pi | Boost | Effects Layouts (blog) | — | 2 | — | 22 | |
| Blues Power v2 BS170 · J201 | — | Utility | GuitarPCB | — | 3 | $7.95 out | 30 | |
| NostalgiTone Analog Chorus: Premium CE 2N5088 · 4558 · MN3102 · MN3207 125B | — | Vibrato / Chorus | GuitarPCB | 125B | 2 | $9.95 | 82 | |
| NostalgiTone Dsotm Triple Combo: Eclipse Your Tone BC108C · BS170 · MPSA18 · TL072 1590DD | — | Other | GuitarPCB | 1590DD | 10 | — | 138 | |
| NostalgiTone WattAMP Single: Authentic ’70s Arena Rock Amp Tones BS170 125B | — | Boost | GuitarPCB | 125B | 4 | — | 50 | |
| NostalgiTone Wylde Child Deluxe Dual Combo PCB Set 2N5088 · 4558 · MN3102 · MN3207 1590XX | — | Vibrato / Chorus | GuitarPCB | 1590XX | 7 | $13.95 | 118 | |
| NostalgiTone Zoso Tone Dual Combo: The Early Years Zep Tone BS170 1590BB2 | — | Utility | GuitarPCB | 1590BB2 | 8 | — | 50 | |
| Crackle MosFET boost BS170 | — | Boost | PCBWay: Glory to Ukraine | — | 2 | — | 13 | |
| Sagrado Poblano Picoso BS170 Catalinbread Sagrado Poblano Picoso | Catalinbread Sagrado Poblano Picoso | Other | PCBWay: Glory to Ukraine | — | 1 | — | 14 | |
| Zzzz Crackle Booster BS170 | — | Boost | PCBWay: Glory to Ukraine | — | 2 | — | 11 | |
| CrackleJack BS170 Z.Vex Channel 2 · 125B | Z.Vex Channel 2 | Fuzz | PedalPCB | 125B | 2 | $6.00 | 12 | |
| MOSFET Driver BS170 · TL072 BK Butler Tube Driver · 125B | BK Butler Tube Driver | Distortion | PedalPCB | 125B | 4 | $8.00 | 44 | |
| PolyHog 4558 · CD4049 · CD4049UB · J201 Pigtronix PolySaturator · 125B | Pigtronix PolySaturator | Distortion | PedalPCB | 125B | 3 | $10.00 out | 63 | |
| Superjudge | — | Distortion | Rullywow Industries | — | 3 | $10.00 | 22 | |
| Catalinbread Sagrado Poblano Picoso Vero14×9 Verified BS170 Catalinbread Sagrado Poblano Picoso | Catalinbread Sagrado Poblano Picoso | Boost | Tagboard Effects | — | 1 | — | 14 |