Parts · Transistors
2SK30
Si N-ch JFET.28 circuits use this part.
Datasheet · archived copy from Toshiba; the part is discontinued and the maker no longer publishes it
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 |
|---|---|---|---|---|
| 2SK30ATM | 6.5 mA | 50 V | 0.1 W |
Used on other boards here
| Part | Vgs max | Id max | Vds | Pd | Boards |
|---|---|---|---|---|---|
| 2SK118 | 6.5 mA | 50 V | 0.1 W | 19 | |
| 2SK208 | 6.5 mA | 50 V | 0.1 W | 1 | |
| J202 | 4 V | 4.5 mA | 40 V | 0.625 W | 9 |
| 2SK246 | 14 mA | 50 V | 0.3 W | 9 | |
| PN4393 | 5 mA | 40 V | 0.36 W | 2 | |
| 2SK117 | 14 mA | 50 V | 0.3 W | 42 | |
| 2SK184 | 14 mA | 50 V | 0.2 W | 9 | |
| PF5102 | 1.6 V | 20 mA | 40 V | 0.625 W | 40 |
Closest by the numbers
| Part | Vgs max | Id max | Vds | Pd |
|---|---|---|---|---|
| 2SK879 | 6.5 mA | 50 V | 0.1 W | |
| 2N5196 | 4 V | 7 mA | 50 V | 0.5 W |
| 2N5197 | 4 V | 7 mA | 50 V | 0.5 W |
| 2N5198 | 4 V | 7 mA | 50 V | 0.5 W |
| 2N5199 | 4 V | 7 mA | 50 V | 0.5 W |
| 2N4869 | 5 V | 7.5 mA | 40 V | 0.3 W |
| 2N5515 | 3.8 V | 7.5 mA | 40 V | 0.375 W |
| 2N5516 | 3.8 V | 7.5 mA | 40 V | 0.375 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Cosmo King 2N5088 · 2SC828 · 2SK30 Royal CW-1 Cosmo Wah Machine | Royal CW-1 Cosmo Wah Machine | Vibrato / Chorus | Dead End FX | — | 4 | $15.00 | 79 | |
| Arion MDI-2 Bass Distortion Vero21×15 Unverified 2N3904 · 2SK30 · 4558 · NJM4558 Arion MDI-2 Bass Distortion | Arion MDI-2 Bass Distortion | Distortion | Dirtbox Layouts | — | 4 | — | 32 | |
| Boss FA-1 FET Amplifier Vero20×13 Verified 1458 · 2SK30 Boss FA-1 FET Amplifier | Boss FA-1 FET Amplifier | Boost | Dirtbox Layouts | — | 3 | — | 25 | |
| Boss OS-2 Overdrive/Distortion Vero21×25 Unverified 1458 · 2N5088 · 2SK30 Boss OS-2 | Boss OS-2 | Distortion | Dirtbox Layouts | — | 4 | — | 42 | |
| Boss SD-2 Lead Channel Vero21×25 Verified 2SK30 · 4558 · JRC4558 · LOW TO MEDIUM GAIN NPN SILICON Boss SD-2 Lead Channel | Boss SD-2 Lead Channel | Distortion | Dirtbox Layouts | — | 3 | — | 43 | |
| Boss XT-2 Xtortion Vero24×28 Unverified 2N5088 · 2SK30 · TL072 Boss XT-2 Xtortion | Boss XT-2 Xtortion | Distortion | Dirtbox Layouts | — | 4 | — | 59 | |
| Capitalist Death Cult No One Wants To Work Anymore Vero30×22 Verified 2SK30 · NPN GERMANIUM · TL072 · TL074 Capitalist Death Cult No One Wants To Work Anymore · 1590BB | Capitalist Death Cult No One Wants To Work Anymore | Fuzz | Dirtbox Layouts | 1590BB | 4 | — | 54 | |
| Capitalist Death Cult Yukagir Vero20×24 Verified 2N5087 · 2N5089 · 2SK30 · MP42B Capitalist Death Cult Yukagir | Capitalist Death Cult Yukagir | Fuzz | Dirtbox Layouts | — | 4 | — | 41 | |
| DNA Analogic Gain Fxxker V2 Vero21×22 Unverified 2N3904 · 2SK30 · 4558 · LM358 DNA Analogic Gain Fxxker V2 | DNA Analogic Gain Fxxker V2 | Distortion | Dirtbox Layouts | — | 4 | — | 37 | |
| DNA Gain Fxxker V1 Vero18×16 Unverified 2SK30 · LM358 DNA Gain Fxxker V1 | DNA Gain Fxxker V1 | Distortion | Dirtbox Layouts | — | 4 | — | 30 | |
| Exar MM-04 Moon Metal Vero21×21 Unverified 2SK30 · BC550B · TL072 Exar MM-04 Moon Metal | Exar MM-04 Moon Metal | Distortion | Dirtbox Layouts | — | 5 | — | 35 | |
| Ibanez No. 59 Standard Fuzz MOJO layout Vero27×23 Unverified 2N2222 · 2SK30 Ibanez No. 59 Standard Fuzz | Ibanez No. 59 Standard Fuzz | Fuzz | Dirtbox Layouts | — | 2 | — | 23 | |
| Maxon OD 820 Vero19×24 Unverified 2SK30 · 4558 · JRC4558D · MAX1044 Maxon OD-820 | Maxon OD-820 | Overdrive | Dirtbox Layouts | — | 3 | — | 34 | |
| Spaceman Effects Sputnik 1 Vero22×19 Verified 2N3904 · 2SK30 · BS170 · PNP GERMANIUM Spaceman Effects Sputnik 1 | Spaceman Effects Sputnik 1 | Fuzz | Dirtbox Layouts | — | 4 | — | 42 | |
| Spaceman Effects Sputnik II Vero22×24 Verified 2N3904 · 2SK30 · BS170 · MP16 Spaceman Effects Sputnik II | Spaceman Effects Sputnik II | Fuzz | Dirtbox Layouts | — | 4 | — | 48 | |
| Spaceman Effects Sputnik IIb Vero22×24 Unverified 2N3904 · 2SK30 · BS170 · P416B Spaceman Effects Sputnik IIb | Spaceman Effects Sputnik IIb | Fuzz | Dirtbox Layouts | — | 4 | — | 46 | |
| Yamaha AMD-100 American Monster Drive Vero23×21 Verified 2SK30 · 4558 Yamaha AMD-100 American Monster Drive | Yamaha AMD-100 American Monster Drive | Distortion | Dirtbox Layouts | — | 3 | — | 30 | |
| Yamaha BD-100 Beat Drive Vero18×15 Unverified 2N5088 · 2SK30 · 4558 Yamaha BD-100 Beat Drive | Yamaha BD-100 Beat Drive | Overdrive | Dirtbox Layouts | — | 4 | — | 27 | |
| Yamaha SHD-100 Super Hard Distortion Vero20×23 Verified 2SK30 · 4558 Yamaha SHD-100 Super Hard Distortion | Yamaha SHD-100 Super Hard Distortion | Distortion | Dirtbox Layouts | — | 4 | — | 38 | |
| BOSS HM-2 2SA970 · 2SC2240 · 2SK30 · M5216 Boss HM-2 | Boss HM-2 | Distortion | Experimentalists Anonymous | — | — | — | 39 | |
| Korg MS20 2SA564(S) · 2SC1583G · 2SC1685S · 2SC644R Korg MS20 | Korg MS20 | Ring Mod / Synth | Experimentalists Anonymous | — | — | — | 70 | |
| Korg MS50 071 · 072 · 14069 · 2SA733K Korg MS50 Filter | Korg MS50 Filter | Ring Mod / Synth | Experimentalists Anonymous | — | — | — | 577 | |
| Roland TB-303 2SB596(O) · 2SB647(C) · 2SC1583 · 2SC2291 Roland TB-303 | Roland TB-303 | Ring Mod / Synth | Experimentalists Anonymous | — | 7 | — | 266 | |
| Exar HR-03 Hammer Vero20×24 Unverified 2SK30 · BC550 · TL072 Exar HR-03 Hammer | Exar HR-03 Hammer | Distortion | Tagboard Effects | — | 3 | — | 38 | |
| Ibanez STL Super Tube Vero20×18 Verified 2SK30 · 4558 · JRC4558 Ibanez STL Super Tube | Ibanez STL Super Tube | Distortion | Tagboard Effects | — | 4 | — | 30 | |
| Ibanez Standard Fuzz Vero20×17 Verified 2N5088 · 2SK30 Ibanez No. 59 Standard Fuzz | Ibanez No. 59 Standard Fuzz | Fuzz | Tagboard Effects | — | 2 | — | 19 | |
| Spaceman Sputnik II Vero24×21 Verified 2N3904 · 2SB172 · 2SK30 · BS170 Spaceman Effects Sputnik II | Spaceman Effects Sputnik II | Fuzz | Tagboard Effects | — | 4 | — | 48 | |
| Ibanez Standard Fuzz Vero 2SC828 · 2SK30 Ibanez No. 59 Standard Fuzz | Ibanez No. 59 Standard Fuzz | Fuzz | turretboard.org | — | 2 | — | 17 |