Parts · Transistors
J111
Si N-ch JFET TO-92 TH.17 circuits use this part. Listed as: Transistor MMBF J111.
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 |
|---|---|---|---|---|
| J111 | 50 mA | 35 V | 0.4 W |
Used on other boards here
| Part | Vgs max | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| J113 | 50 mA | 35 V | 0.4 W | 88 | |
| J112 | 50 mA | 35 V | 0.4 W | 24 | |
| 2N4859A | 10 V | 50 mA | 30 V | 0.36 W | 2 |
| 2N3956 | 4 V | 50 mA | 50 V | 0.25 W | 1 |
| 2N3954 | 4 V | 50 mA | 50 V | 0.25 W | 1 |
| SST201 | 50 mA | 40 V | 0.36 W | 1 | |
| BF244A | 30 V | 50 mA | 30 V | 0.35 W | 8 |
| PF5102 | 1.6 V | 20 mA | 40 V | 0.625 W | 40 |
Closest by the numbers
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| PN4117 | 1.8 V | 50 mA | 40 V | 0.3 W |
| PN4118 | 3 V | 50 mA | 40 V | 0.3 W |
| PN4119 | 6 V | 50 mA | 40 V | 0.3 W |
| 2N5638 | 50 mA | 30 V | 0.35 W | |
| 2N4856 | 10 V | 50 mA | 40 V | 0.36 W |
| 2SK162 | 50 mA | 40 V | 0.4 W | |
| BSR56 | 50 mA | 40 V | 0.25 W | |
| 2N3921 | 2.7 V | 50 mA | 50 V | 0.3 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| PedalPCB / Chuck D. Bones Chuck's Buzzaround Vero16×14 Verified BC109C · J111 · MP38A PedalPCB Chuck D. Bones Chuck's Buzzaround | PedalPCB Chuck D. Bones Chuck's Buzzaround | Fuzz | Dirtbox Layouts | — | 3 | — | 23 | |
| VFE Red Wolf Vero19×13 Verified J111 · LM308 · LM308N VFE Red Wolf | VFE Red Wolf | Distortion | Dirtbox Layouts | — | 5 | — | 23 | |
| DOD 525 2N4124 · CA3094 · CD4007 · CD4007UB DOD 525 | DOD 525 | Compressor | Experimentalists Anonymous | — | 3 | — | 33 | |
| DOD 545 2N4124 · CA3094 · CD4007 · CD4007UB DOD 545 | DOD 545 | Other | Experimentalists Anonymous | — | 3 | — | 32 | |
| DOD 565 2N4124 · CD4007 · CD4007UB · J111 DOD 565 | DOD 565 | Vibrato / Chorus | Experimentalists Anonymous | — | 3 | — | 40 | |
| DOD 575 2N4124 · ? · CD4007 · CD4007UB DOD 575 | DOD 575 | Flanger | Experimentalists Anonymous | — | 3 | — | 48 | |
| DOD 585 2N4124 · CD4007 · CD4007UB · J111 DOD 585 | DOD 585 | Delay | Experimentalists Anonymous | — | 3 | — | 45 | |
| DOD 595 2N4124 · CD4007 · CD4007UB · J111 DOD 595 | DOD 595 | Phaser | Experimentalists Anonymous | — | 3 | — | 33 | |
| DOD 908B 2N5089 · 4558 · 7805 · 7812 DOD 908B | DOD 908B | Delay | Experimentalists Anonymous | — | 7 | — | 68 | |
| DOD FX20C 2N5088 · 4007 · CD4007UB · J111 DOD FX20C | DOD FX20C | Phaser | Experimentalists Anonymous | — | 3 | — | 63 | |
| DOD FX40B 1458 · 2N5088 · CD4007 · CD4007UB DOD FX40B | DOD FX40B | EQ / Filter | Experimentalists Anonymous | — | — | — | 93 | |
| DOD FX54 1458 · 2N4124 · 2N5088 · CA3080 DOD FX54 | DOD FX54 | Distortion | Experimentalists Anonymous | — | 4 | — | 106 | |
| DOD FX60 1458 · 2N4125 · 2N5088 · 4007 DOD FX60 | DOD FX60 | Vibrato / Chorus | Experimentalists Anonymous | — | 2 | — | 53 | |
| DOD FX70-C Corrosion 2N5088 · 4007 · 4558 · CD4007UB DOD FX70-C Corrosion | DOD FX70-C Corrosion | Distortion | Experimentalists Anonymous | — | 4 | — | 106 | |
| DOD FX75 2N4124 · 2N4125 · 2N5089 · CD4007 DOD FX75 | DOD FX75 | Flanger | Experimentalists Anonymous | — | — | — | 51 | |
| Digitech PDS2020 (PDF) 2N4125 · 2N5088 · 4007A · 4024 DigiTech PDS2020 | DigiTech PDS2020 | Delay | Experimentalists Anonymous | — | 5 | — | 241 | |
| Thunderbird Preamp BC847 · J111 · J177 · J201 Lionsound 16.0 Fire Angel · 1590BB | Lionsound 16.0 Fire Angel | Preamp / Amp-in-a-box | HotKits | 1590BB | 7 | $10.00 | 59 |