Parts · Transistors
OC75
Ge PNP BJT TH.28 circuits use this part. Listed as: BJT transistor, PNP Germanium; PNP Germanium; Trans-Can-WIDE; Transistor; Transistor OC75.
Selector table · a row in a maker's catalog, not a full datasheet; the part is discontinued
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 |
|---|---|---|---|---|---|
| OC75 | 55 | 20 V | 10 mA | 0.125 W | 0.1 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| NKT213 | 50 | 18 V | 250 mA | 0.2 W | 0.5 MHz | 12 |
| OC76 | 30 | 32 V | 125 mA | 0.125 W | 0.1 MHz | 9 |
| 2G374 | 60 | 25 V | 100 mA | 0.15 W | 1 MHz | 1 |
| MP41A | 50 | 30 V | 150 mA | 0.15 W | 1 MHz | 2 |
| 2SB54 | 80 | 20 V | 150 mA | 0.15 W | 0.5 MHz | 5 |
| 2N1382 | 50 | 25 V | 200 mA | 0.25 W | 1 MHz | 1 |
| 2SB56 | 80 | 25 V | 150 mA | 0.15 W | 0.5 MHz | 1 |
| OC82D | 30 | 16 V | 10 mA | 0.15 W | 0.2 MHz | 1 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| ACY14 | 54 | 30 V | 50 mA | 0.15 W | |
| ACY15 | 54 | 30 V | 50 mA | 0.15 W | |
| 2N1955 | 50 | 18 V | 200 mA | 0.2 W | |
| 2N320 | 50 | 20 V | 200 mA | 0.225 W | 0.1 MHz |
| 2N64 | 50 | 22 V | 10 mA | 0.12 W | 0.15 MHz |
| 2N311 | 50 | 15 V | 50 mA | 0.075 W | |
| OC821 | 50 | 20 V | 150 mA | 0.15 W | 0.2 MHz |
| OC1071 | 45 | 30 V | 50 mA | 0.15 W | 0.1 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| DAM FZ-673 Vero16×10 Verified CV7004 · OC75 DAM FZ-673 | DAM FZ-673 | Fuzz | Dirtbox Layouts | — | 3 | — | 19 | |
| DAM Logan Bender Vero15×10 Verified OC75 DAM Logan Bender | DAM Logan Bender | Fuzz | Dirtbox Layouts | — | 2 | — | 16 | |
| Hornby Skewes Zonk Machine Mk I Vero16×10 Verified A02650 · OC44 · OC75 Hornby Skewes Zonk Machine Mk I | Hornby Skewes Zonk Machine Mk I | Fuzz | Dirtbox Layouts | — | 2 | — | 19 | |
| Marshall Supa Fuzz Vero13×10 Verified OC75 Marshall Supa Fuzz | Marshall Supa Fuzz | Fuzz | Dirtbox Layouts | — | 2 | — | 15 | |
| Marshall Supa Fuzz Mk I prototype Vero18×10 Verified OC75 Marshall Supa Fuzz Mk I prototype | Marshall Supa Fuzz Mk I prototype | Fuzz | Dirtbox Layouts | — | 3 | — | 23 | |
| Solasound Tonebender Mk I Vero15×10 Verified 2SC381 · OC75 Sola Sound Tone Bender MKI | Sola Sound Tone Bender MKI | Fuzz | Dirtbox Layouts | — | 2 | — | 17 | |
| Solasound Tonebender Mk. 1,5 Vero11×8 Verified OC75 Sola Sound Tone Bender MK1.5 | Sola Sound Tone Bender MK1.5 | Fuzz | Dirtbox Layouts | — | 2 | — | 12 | |
| Hornby Skewes Zonk Machine Perfboard Verified OC44 · OC75 · TI A02 650 Hornby Skewes Zonk Machine | Hornby Skewes Zonk Machine | Fuzz | Effects Layouts (blog) | — | 2 | — | 20 | |
| Zonky A02650 · OC44 · OC75 · TC1044 Hornby Skewes Zonk Machine Mk I · 1590B | Hornby Skewes Zonk Machine Mk I | Fuzz | Five Cats Pedals | 1590B | 2 | £4.50 | 25 | |
| Bend Toner 2G381 · OC75 Sola Sound Tone Bender MKI · 1590B | Sola Sound Tone Bender MKI | Fuzz | HotKits | 1590B | 2 | $1.50 | 17 | |
| ESV 2-knob bender OC75 Sola Sound Tone Bender MKII | Sola Sound Tone Bender MKII | Fuzz | Moody Sounds | — | 2 | kr895.00 out | 14 | |
| Tone Bender MKI 2G381 · OC75 · TC1044 · TC1044SCPA Sola Sound Tone Bender MKI | Sola Sound Tone Bender MKI | Fuzz | PCBWay: Glory to Ukraine | — | 2 | — | 20 | |
| Kilimanjaro Fuzz CV7004 · OC75 · TC1044 · TC1044SCPA D*A*M FZ-673 · 125B | D*A*M FZ-673 | Fuzz | PedalPCB | 125B | 3 | $8.00 | 24 | |
| Tone Vendor MKI 2G381 · OC75 · TC1044 · TC1044SCPA Sola Sound Tone Bender MKI · 125B | Sola Sound Tone Bender MKI | Fuzz | PedalPCB | 125B | 2 | $8.00 | 23 | |
| Zonkbox A02650 · OC44 · OC75 · TC1044 D*A*M Zonk Machine · 125B | D*A*M Zonk Machine | Fuzz | PedalPCB | 125B | 2 | $8.00 | 25 | |
| D*A*M FZ-673 CV7004 · OC75 DAM FZ-673 | DAM FZ-673 | Fuzz | Revolution Deux | — | 3 | — | 24 | |
| Gary Hurst Tone Bender MKI Vero 2G381 · OC75 Gary Hurst Tonebender MKI | Gary Hurst Tonebender MKI | Fuzz | Revolution Deux | — | 2 | — | 20 | |
| Hornby Skewes Zonk Machine A02650 · OC44 · OC75 Hornby Skewes Zonk Machine | Hornby Skewes Zonk Machine | Fuzz | Revolution Deux | — | 2 | — | 22 | |
| Hornby Skewes Zonk Machine (Jonaz version) Vero A02650 · OC44 · OC75 Hornby Skewes Zonk Machine | Hornby Skewes Zonk Machine | Fuzz | Revolution Deux | — | 2 | — | 19 | |
| Sola Sound Tone Bender MK1.5 Vero OC75 Sola Sound Tone Bender MK1.5 | Sola Sound Tone Bender MK1.5 | Fuzz | Revolution Deux | — | 2 | — | 11 | |
| Sola Sound Tone Bender MKI Perfboard 2G381 · OC75 Sola Sound Tone Bender MKI | Sola Sound Tone Bender MKI | Fuzz | Revolution Deux | — | 2 | — | 18 | |
| Sola Sound Tone Bender MKII Professional OC75 Sola Sound Tone Bender MKII | Sola Sound Tone Bender MKII | Fuzz | Revolution Deux | — | 2 | — | 16 | |
| DAM FZ-673 Vero21×7 Verified CV7004 · OC75 DAM FZ-673 | DAM FZ-673 | Fuzz | Tagboard Effects | — | 3 | — | 18 | |
| Hornby Skewes Zonk Machine I Vero18×9 Verified A02650 · OC44 · OC75 Hornby Skewes Zonk Machine Mk I | Hornby Skewes Zonk Machine Mk I | Fuzz | Tagboard Effects | — | 2 | — | 19 | |
| Sola Sound Zonk II Vero11×9 Unverified OC75 Sola Sound Zonk II | Sola Sound Zonk II | Fuzz | Tagboard Effects | — | 2 | — | 11 | |
| Marshall Supa Fuzz MK2 Tagboard OC75 Marshall Supa Fuzz MK2 | Marshall Supa Fuzz MK2 | Fuzz | turretboard.org | — | — | — | 1 | |
| Marshall Supa Fuzz Mk2 Turret board OC75 Marshall Supa Fuzz MK2 | Marshall Supa Fuzz MK2 | Fuzz | turretboard.org | — | — | — | 1 | |
| Sola Sound Tone Bender MK1 PerfboardVero OC75 · TI2G381 Sola Sound Tone Bender MKI | Sola Sound Tone Bender MKI | Fuzz | turretboard.org | — | 2 | — | 16 |