Parts · Transistors
MPF102
Si N-ch JFET TO-92 TH.18 circuits use this part. Listed as: TO-92 Inline Wide-large-solderpads.
Datasheet · from onsemi.com
Substitutes N-channel JFET
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 | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| MPF102 | 7.5 V | 20 mA | 25 V | 0.35 W |
Used on other boards here
| Part | Vgs max | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| 2SK170 | 20 mA | 40 V | 0.2 W | 10 | |
| NTE458 | 20 mA | 50 V | 0.25 W | 2 | |
| 2N4860 | 6 V | 20 mA | 30 V | 0.36 W | 1 |
| 2SK117 | 14 mA | 50 V | 0.3 W | 42 | |
| 2SK246 | 14 mA | 50 V | 0.3 W | 9 | |
| 2SK184 | 14 mA | 50 V | 0.2 W | 9 | |
| 2SK304 | 4 V | 20 mA | 30 V | 0.15 W | 1 |
| J110 | 10 mA | 25 V | 0.4 W | 1 |
Closest by the numbers
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| J211 | 20 mA | 25 V | 0.4 W | |
| 2N4224 | 7.5 V | 20 mA | 30 V | 0.3 W |
| 2SK1332 | 20 mA | 30 V | 0.15 W | |
| 2SK168 | 20 mA | 30 V | 0.2 W | |
| 2SK1806 | 20 mA | 30 V | 0.25 W | |
| 2SK198 | 20 mA | 30 V | 0.15 W | |
| 2SK606 | 20 mA | 30 V | 0.4 W | |
| 2SK662 | 20 mA | 30 V | 0.15 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Pompei 2N3956 · 2N5087 · 2N5089 · 4558 what most mere mortal effects aficionados spend a lifetime lusting after; an EMS Synthi Hi Fli | what most mere mortal effects aficionados spend a lifetime lusting after; an EMS Synthi Hi Fli | Fuzz | Dead End FX | — | 14 | $75.00 | 452 | |
| Redstone 2N5457 · 2N5484 · BS170 · J201 Spaceman Effects Mercury IV · 1590BBS | Spaceman Effects Mercury IV | Boost | Dead End FX | 1590BBS | 2 | $15.00 | 65 | |
| Blackstone Appliances MOSFET Overdrive Vero22×21 Verified CD4049UB · CD4049UBE · MPF102 · TL072 Blackstone Appliances MOSFET Overdrive | Blackstone Appliances MOSFET Overdrive | Overdrive | Dirtbox Layouts | — | 5 | — | 38 | |
| Madbean Dangerzone Vero21×19 Verified CD4049UB · CD4049UBE · MPF102 · TL072 Madbean Dangerzone | Madbean Dangerzone | Distortion | Dirtbox Layouts | — | 3 | — | 30 | |
| Soulsonic Fx Chalice Vero19×15 Verified 2N5089 · MPF102 SoulSonic FX Chalice | SoulSonic FX Chalice | Distortion | Dirtbox Layouts | — | 3 | — | 33 | |
| Spaceman Effects Mercury IV Vero27×19 Verified 2N5457 · 2N5484 · BS170 · J201 Spaceman Effects Mercury IV | Spaceman Effects Mercury IV | Boost | Dirtbox Layouts | — | 2 | — | 39 | |
| Run Off Groove Ruby Perfboard Verified LM386 · MPF102 Run Off Groove Ruby · 1590A | Run Off Groove Ruby | Other | Effects Layouts (blog) | 1590A | 2 | — | 12 | |
| SoulSonic FX Chalice Perfboard Verified 2N5089 · MPF102 SoulSonic FX Chalice · 1590B | SoulSonic FX Chalice | Distortion | Effects Layouts (blog) | 1590B | 3 | — | 33 | |
| Ruby Amp PCB LM386 · MPF102 Ruby Amp · 1590B | Ruby Amp | Preamp / Amp-in-a-box | Five Cats Pedals | 1590B | 2 | £4.00 | 13 | |
| Harbinger2 2N5088 · 2N5089 · BS250 · LT1054 Shin-ei Uni-Vibe | Shin-ei Uni-Vibe | Distortion | Madbean | — | 3 | $15.00 | 115 | |
| Mysterioso CD4049 · CD4049UB · MPF102 · TL072 Blackstone Appliances MOSFET Overdrive · 125B | Blackstone Appliances MOSFET Overdrive | Distortion | Madbean | 125B | 1 | $13.00 | 55 | |
| Blackstone Appliances Mosfet Overdrive CD4049UB · CD4049UBE · MPF102 · TL072 Blackstone Appliances MOSFET Overdrive | Blackstone Appliances MOSFET Overdrive | Overdrive | Revolution Deux | — | 6 | — | 48 | |
| Fred Briggs 'Face MKII "Fender Tone Deluxe" MAX1044 · MPF102 · TC1044 Fred Briggs 'Face MKII | Fred Briggs 'Face MKII | Overdrive | Revolution Deux | — | 4 | — | 23 | |
| Wampler Pinnacle Distortion (Limited Edition) J201 · MPF102 · TL072 Wampler Pinnacle | Wampler Pinnacle | Distortion | Revolution Deux | — | 6 | — | 72 | |
| Madbean Holy Roller / Baja Optical Limiter Vero21×16 Verified 5K/500K · LF353 · MPF102 BAJA Optical Limiter | BAJA Optical Limiter | Compressor | Tagboard Effects | — | 2 | — | 24 | |
| Noisy Cricket MkII Vero16×9 Verified LM386 · MPF102 Noisy Cricket MkII | Noisy Cricket MkII | Other | Tagboard Effects | — | 3 | — | 14 | |
| Ruby Amp Tagboard Verified LM386 · MPF102 Ruby Amp | Ruby Amp | Other | Tagboard Effects | — | 2 | — | 11 | |
| Runoffgroove Professor Tweed Vero19×12 Verified MPF102 Run Off Groove Professor Tweed | Run Off Groove Professor Tweed | Preamp / Amp-in-a-box | Tagboard Effects | — | 3 | — | 21 |