Akashic Guitar effects circuit lookup

Parts · Transistors

BS250

Si P-ch MOSFET TO-92 TH.16 circuits use this part.

Datasheet · from diodes.com

Substitutes P-channel MOSFET

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

PartVgs(th)Id maxVdsPd
BS250F90 mA45 V0.33 W

Used on other boards here

PartVgs(th)Id maxVdsPdBoards
IRFD90244 V1600 mA60 V1.3 W1

Closest by the numbers

PartVgs(th)Id maxVdsPd
BSS84L2 V100 mA50 V0.225 W
BSS842 V130 mA50 V0.36 W
BSS84(Z)130 mA50 V0.36 W
BSS84-72 V130 mA50 V0.3 W
BSS84DW130 mA50 V0.3 W
BSS84KR2 V130 mA50 V0.2 W
BSS84LT12 V130 mA50 V0.225 W
BSS84TA2 V130 mA50 V0.36 W
FaceplateCircuitBased onCategoryVendorBoxKnobsPriceBOM
Fire Eye BS250 · TLP222A Spaceman Effects Charon fuzz · 125B Spaceman Effects Charon fuzzFuzzDead End FX125B4$12.00 37
Fugu 2N3904 · BS170 · BS250 · PN2222A Spaceman Effects Titan II · 125B Spaceman Effects Titan IIFuzzDead End FX125B3$12.00 32
Glenn 2N3904 · BS170 · BS250 · LND150N3 Spaceman Effects Atlas III booster · 125B Spaceman Effects Atlas III boosterBoostDead End FX125B1$12.00 31
Hooke V.2 BS250 · TDA7052 Spaceman Effects Orion reverb · 1590D Spaceman Effects Orion reverbReverbDead End FX1590D4$15.00 46
Laika Fuzz V.2 2N3904 · 2SB172 · 2SK30A-Y · BS170 Spaceman Effects Sputnik II · 1590BBS Spaceman Effects Sputnik IIFuzzDead End FX1590BBS4$7.50 55
Laika II 2N3904 · 2SB172 · 2SK30A-Y · BS170 Spaceman Effects Sputnik IIb · 1590BBS Spaceman Effects Sputnik IIbFuzzDead End FX1590BBS4$15.00 61
Moonstone 2N3700 · 2N3904 · 2N5088 · BC547B Wyllie Moonrock · 1590BBS Wyllie MoonrockFuzzDead End FX1590BBS5$15.00 68
Navaho BS250 · J201 · LND150N3-G · PIC12F675 Spaceman Effects Redstone · 125B Spaceman Effects RedstoneOverdriveDead End FX125B5$12.00 47
Sprocket II 2N3904 · 2N3906 · 2N5088 · BS170 Spaceman Effects Spacerocket II · 125B Spaceman Effects Spacerocket IIFuzzDead End FX125B2$12.00 42
Trahald 2N3904 · BS170 · BS250 Spaceman Effects Rumblefuzz II · 125B Spaceman Effects Rumblefuzz IIFuzzDead End FX125B3$12.00 34
Wally 4558 · BS250 · MV-57B Spaceman Effects Apollo VII Overdrive · 125B Spaceman Effects Apollo VII OverdriveOverdriveDead End FX125B3$6.00 44
Wally II 2N3904 · BS170 · BS250 · TLC2274 Spaceman Effects Apollo VIIb · 125B Spaceman Effects Apollo VIIbOverdriveDead End FX125B3$12.00 46
Discrete Llama Perfboard Unverified BS170 · BS250 Discrete Llama Discrete LlamaOverdriveEffects Layouts (blog)—2— 19
Harbinger2 2N5088 · 2N5089 · BS250 · LT1054 Shin-ei Uni-Vibe Shin-ei Uni-VibeDistortionMadbean—3$15.00 115
Spaceman Sputnik II Vero24×21 Verified 2N3904 · 2SB172 · 2SK30 · BS170 Spaceman Effects Sputnik II Spaceman Effects Sputnik IIFuzzTagboard Effects—4— 48
THAT Jam Compressor Vero32×28 Verified BC549B · BS250 · LT1054 · NE5532 THAT Jam Compressor THAT Jam CompressorCompressorTagboard Effects—4— 46