Parts · Transistors
BC547B
Si NPN BJT TO-92 TH.61 circuits use this part. Listed as: BJT transistor, NPN TO-92.
Datasheet · from onsemi.com
Substitutes Si NPN 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 |
|---|---|---|---|---|---|
| BC547B | 200 | 45 V | 100 mA | 0.5 W | 200 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| BC550B | 200 | 45 V | 100 mA | 0.5 W | 150 MHz | 11 |
| ECG123A | 200 | 40 V | 800 mA | 0.5 W | 300 MHz | 1 |
| BC546B | 200 | 65 V | 100 mA | 0.5 W | 150 MHz | 7 |
| BC107B | 200 | 45 V | 100 mA | 0.3 W | 150 MHz | 14 |
| BC237B | 200 | 45 V | 100 mA | 0.3 W | 150 MHz | 1 |
| BC550 | 240 | 45 V | 100 mA | 0.5 W | 200 MHz | 53 |
| 2N6428 | 200 | 50 V | 200 mA | 0.625 W | 100 MHz | 2 |
| CV10440 | 175 | 45 V | 250 mA | 0.3 W | 200 MHz | 1 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| BC847B-AU | 200 | 45 V | 100 mA | 0.33 W | |
| BC850B-AU | 200 | 45 V | 100 mA | 0.33 W | |
| BC290 | 200 | 40 V | 100 mA | 0.36 W | |
| BC290A | 200 | 40 V | 100 mA | 0.36 W | |
| BC290B | 200 | 40 V | 100 mA | 0.36 W | |
| 2SC945-GR | 200 | 50 V | 150 mA | 0.4 W | 150 MHz |
| PN3417 | 180 | 50 V | 500 mA | 0.5 W | |
| BC846B-AU | 200 | 65 V | 100 mA | 0.33 W |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Drowzee 4558 · BC547B · MN3012 · TL022 Last Gasp Arts Hypnospiral flanger · 1590BBS | Last Gasp Arts Hypnospiral flanger | Flanger | Dead End FX | 1590BBS | 4 | $15.00 | 112 | |
| Moonstone 2N3700 · 2N3904 · 2N5088 · BC547B Wyllie Moonrock · 1590BBS | Wyllie Moonrock | Fuzz | Dead End FX | 1590BBS | 5 | $15.00 | 68 | |
| Adventure Audio Fuzz Peaks V2 Vero30×24 Unverified BC547B · TL074 Adventure Audio Fuzz Peaks V2 | Adventure Audio Fuzz Peaks V2 | Distortion | Dirtbox Layouts | — | 5 | — | 37 | |
| Adventure Audio Thaw Vero21×18 Verified BC547B Adventure Audio Thaw | Adventure Audio Thaw | Fuzz | Dirtbox Layouts | — | 2 | — | 14 | |
| BAJA AC30 Normal Channel Vero19×24 Verified 2SK117 · BC547B · TL062 Bajaman AC30 Normal Channel | Bajaman AC30 Normal Channel | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 3 | — | 32 | |
| BAJA AC30 Top Boost Channel Vero22×23 Unverified 2SK117 · BC547B · TL062 BAJA AC30 Top Boost Channel | BAJA AC30 Top Boost Channel | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 40 | |
| BAJA AFD Overdrive Mk II w. tonestack Vero21×25 Verified 2SK117 · BC547B · TL062 BAJA AFD MkII | BAJA AFD MkII | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 38 | |
| BAJA ENG Overdrive Vero23×26 Unverified 2SK117 · BC547B · TL061 · TL062 BAJA ENG Overdrive | BAJA ENG Overdrive | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 6 | — | 42 | |
| BAJA JVM Overdrive Od1 Vero22×25 Verified 2SK117 · BC547B · TL062 BAJA JVM Overdrive Od1 | BAJA JVM Overdrive Od1 | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 39 | |
| BAJA MDR Overdrive Vero23×26 Unverified 2SK117 · BC547B · TL061 · TL062 BAJA MDR Overdrive | BAJA MDR Overdrive | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 6 | — | 40 | |
| BAJA Orange OTR120 MK II Graphic Vero25×26 Unverified 2SK117 · BC547B · TL062 · TL072 BAJA Orange OTR120 MK II Graphic | BAJA Orange OTR120 MK II Graphic | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 45 | |
| BAJA SLO Overdrive Mk II tone control version Vero24×22 Verified 2SK117 · BC547B · TL062 BAJA SLO Overdrive Mk II tone control version | BAJA SLO Overdrive Mk II tone control version | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 39 | |
| BAJA UBS Overdrive Vero24×22 Verified 2SK117 · BC547B · TL062 BAJA UBS Overdrive | BAJA UBS Overdrive | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 39 | |
| BAJA VH4 Overdrive w tonestack Vero24×26 Unverified 2SK117 · BC547B · TL061 · TL062 BAJA VH4 Overdrive w tonestack | BAJA VH4 Overdrive w tonestack | Preamp / Amp-in-a-box | Dirtbox Layouts | — | 5 | — | 41 | |
| Carl Martin Crush Zone Vero17×15 Unverified BC547B · J201 · TL072 Carl Martin Crush Zone | Carl Martin Crush Zone | Distortion | Dirtbox Layouts | — | 3 | — | 23 | |
| DAM Grease Box 83 Vero14×10 Verified BC337 · BC547B D*A*M GB-83 GreaseBox | D*A*M GB-83 GreaseBox | Fuzz | Dirtbox Layouts | — | 2 | — | 19 | |
| Electro Harmonix Big Muff Ram's Head Reissue Vero19×17 Unverified BC547B Electro-Harmonix Big Muff Pi | Electro-Harmonix Big Muff Pi | Distortion | Dirtbox Layouts | — | 3 | — | 29 | |
| Exar DS-01 Distortion Vero19×18 Unverified 741 · BC547B · LM741 Exar DS-01 Distortion | Exar DS-01 Distortion | Distortion | Dirtbox Layouts | — | 3 | — | 24 | |
| Exar HM-02 Heavy Metal Vero25×32 Unverified 2SK117 · 4558 · BC547B · BC550B Exar HM-02 Heavy Metal | Exar HM-02 Heavy Metal | Distortion | Dirtbox Layouts | — | 5 | — | 46 | |
| Exar KM-03 Kamikaze Vero25×33 Unverified 2SK30A · 4558 · BC547B · BC550B Exar KM-03 Kamikaze | Exar KM-03 Kamikaze | Distortion | Dirtbox Layouts | — | 6 | — | 51 | |
| Great Eastern FX Small Speaker Overdrive Vero20×15 Verified 2N3904 · BC547B · J201 Great Eastern FX Co Small Speaker Overdrive | Great Eastern FX Co Small Speaker Overdrive | Overdrive | Dirtbox Layouts | — | 4 | — | 29 | |
| Infanem Improbability Drive Vero21×18 Unverified 2N2222A · 2N2907A · BC547B · MPSA18 Infanem Improbability Drive | Infanem Improbability Drive | Fuzz | Dirtbox Layouts | — | 4 | — | 30 | |
| Strymon Canoga Fuzz Vero14×11 Verified BC547B Strymon Canoga Fuzz | Strymon Canoga Fuzz | Fuzz | Dirtbox Layouts | — | 2 | — | 19 | |
| Baja AFD Perfboard Verified BC547B · TL062 BAJA AFD | BAJA AFD | Overdrive | Effects Layouts (blog) | — | 2 | — | 29 | |
| Baja AFD MkII Perfboard Verified 2SK117 · BC547B · TL064 BAJA AFD MkII · 1590B | BAJA AFD MkII | Preamp / Amp-in-a-box | Effects Layouts (blog) | 1590B | 2 | — | 34 | |
| Baja SLO Perfboard Verified BC547B · TL062 BAJA SLO | BAJA SLO | Preamp / Amp-in-a-box | Effects Layouts (blog) | — | 2 | — | 28 | |
| Baja VH4 Perfboard Verified 2SK117 · BC547B · TL062 BAJA VH4 · 125B | BAJA VH4 | Preamp / Amp-in-a-box | Effects Layouts (blog) | 125B | 2 | — | 33 | |
| Bajaman AC30 Normal Channel Perfboard Verified 2SK117 · BC547B · TL062 Bajaman AC30 Normal Channel | Bajaman AC30 Normal Channel | Preamp / Amp-in-a-box | Effects Layouts (blog) | — | 3 | — | 28 | |
| Carl Martin Crush Zone Perfboard Verified BC547B · J201 · TL072 Carl Martin Crush Zone · 1590B | Carl Martin Crush Zone | Distortion | Effects Layouts (blog) | 1590B | 3 | — | 24 | |
| D*A*M GB-83 GreaseBox Perfboard Unverified BC337 · BC547B D*A*M GB-83 GreaseBox | D*A*M GB-83 GreaseBox | Fuzz | Effects Layouts (blog) | — | 2 | — | 18 | |
| Elektor Distortion Compressor 4066 · BC547 · BC547B · BF256C | — | Distortion | Experimentalists Anonymous | — | — | — | 68 | |
| Elektor Harmonic Enhancer 4093 · 7815 · 7915 · BC547B | — | EQ / Filter | Experimentalists Anonymous | — | — | — | 111 | |
| Elektor Harmonic Enhancer 2 BC264A · BC547B · BC550C · BC560C | — | EQ / Filter | Experimentalists Anonymous | — | 2 | — | 66 | |
| Elektor Parametric EQ BC547B · BC550C · NE5532 | — | EQ / Filter | Experimentalists Anonymous | — | — | — | 47 | |
| Can o'Fuzz BC547B Strymon Canoga Fuzz · 1590B | Strymon Canoga Fuzz | Fuzz | Fuzz Dog | 1590B | 2 | £27.60 | 22 | |
| GreaSi Box BC337 · BC547B D*A*M GB-83 GreaseBox · 1590B | D*A*M GB-83 GreaseBox | Fuzz | Fuzz Dog | 1590B | 2 | £26.40 | 17 | |
| Moonrock 2N3904 · BC547B Wyllie Moonrock / Coyote · 1590B | Wyllie Moonrock / Coyote | Fuzz | Fuzz Dog | 1590B | 5 | £38.40 | 58 | |
| Baby Box v5 BC547B · BC549C · BF256B · PT2399 | — | Other | Moody Sounds | — | 2 | kr2695.00 | 85 | |
| Carlin Phaser v2 BC547B · BC557B | — | Phaser | Moody Sounds | — | — | kr1695.00 out | 73 | |
| Appetite for Distortion BC547B · J201 · TL064 Slash Signature Marshal AFD · 125B | Slash Signature Marshal AFD | Distortion | PCB Guitar Mania | 125B | 2 | €11.90 out | 60 | |
| Engel Pre-amp BC547B · J201 · TL061 · TL064 ENGL 530 Preamp · 125B | ENGL 530 Preamp | Distortion | PCB Guitar Mania | 125B | 6 | €11.90 out | 67 | |
| Mesa DR. BC547B · J201 · TL074 Mesa Boogie Dual Rectifier · 125B | Mesa Boogie Dual Rectifier | Distortion | PCB Guitar Mania | 125B | 1 | €9.90 out | 55 | |
| Soldado Preamp BC547B · J201 · TL064 Soldano SLO-100 · 125B | Soldano SLO-100 | Distortion | PCB Guitar Mania | 125B | 2 | €9.90 out | 54 | |
| Uberknall + Amp Tone Stack BC547B · J201 · TL062 · TL074 Bogner Uberschall Prea-amp · 125B | Bogner Uberschall Prea-amp | Distortion | PCB Guitar Mania | 125B | 2 | €11.90 out | 71 | |
| Uberknall Preamp BC547B · J201 · TL064 Bogner Uberschall Tube amp · 125B | Bogner Uberschall Tube amp | Distortion | PCB Guitar Mania | 125B | 2 | €9.90 out | 58 | |
| Canoga Fuzz BC547B Strymon Canoga Fuzz | Strymon Canoga Fuzz | Fuzz | PCBWay: Glory to Ukraine | — | 2 | — | 18 | |
| Grease Box GB83 BC337 · BC547B D*A*M GB-83 GreaseBox | D*A*M GB-83 GreaseBox | Other | PCBWay: Glory to Ukraine | — | 2 | — | 17 | |
| Champ Stamp Overdrive 2N3904 · BC547B · J201 Great Eastern FX Co Small Speaker Overdrive · 125B | Great Eastern FX Co Small Speaker Overdrive | Fuzz | PedalPCB | 125B | 4 | $10.00 | 48 | |
| Stock Fuzz BC547B Strymon Canoga Fuzz · 125B | Strymon Canoga Fuzz | Fuzz | PedalPCB | 125B | 2 | $12.00 | 23 | |
| Temper Fuzz BC547B Adventure Audio Thaw · 125B | Adventure Audio Thaw | Fuzz | PedalPCB | 125B | 3 | $12.00 | 52 | |
| GUMA-Antique 78L05 · BC547B · CD4049UB · MMBFJ201 Mad Professor Sweet Honey Overdrive · 125B | Mad Professor Sweet Honey Overdrive | Overdrive | Schalltechnik_04 | 125B | 4 | — out | 36 | |
| GUMA-Drive 78L05 · BC547B · CD4049UB · MMBFJ201 Mad Professor Sweet Honey Overdrive · 125B | Mad Professor Sweet Honey Overdrive | Overdrive | Schalltechnik_04 | 125B | 3 | — out | 40 | |
| Kasza 78L05 · BC547B · MMBF5457 125B | — | Boost | Schalltechnik_04 | 125B | 3 | — out | 29 | |
| NE_04 V2 78L05 · BC547B · TL072 125B | — | Utility | Schalltechnik_04 | 125B | 3 | — out | 27 | |
| OMNILOOPER 78L05 · BC547B · TL074 | — | Utility | Schalltechnik_04 | — | 8 | — out | 34 | |
| Paranoia 78L05 · BC547B · TL072 · TL074 125B | — | EQ / Filter | Schalltechnik_04 | 125B | 3 | — out | 30 | |
| Baja ENG Overdrive Vero23×25 Unverified 2SK117 · BC547B · TL061 · TL062 BAJA ENG Overdrive · 125B | BAJA ENG Overdrive | Preamp / Amp-in-a-box | Tagboard Effects | 125B | 6 | — | 39 | |
| Baja JVM Overdrive Vero23×23 Unverified 2SK117 · BC547B · TL064 BAJA JVM Overdrive | BAJA JVM Overdrive | Preamp / Amp-in-a-box | Tagboard Effects | — | 2 | — | 34 | |
| Baja MDR Overdrive Vero23×25 Verified 2SK117 · BC547B · TL061 · TL062 BAJA MDR Overdrive · 1590B | BAJA MDR Overdrive | Preamp / Amp-in-a-box | Tagboard Effects | 1590B | 6 | — | 38 | |
| Bespeco Weeper Wah/Volume Vero15×12 Verified BC547B Bespeco Weeper Wah/Volume | Bespeco Weeper Wah/Volume | Wah / Envelope | Tagboard Effects | — | 1 | — | 17 | |
| Carl Martin Crush Zone Vero21×11 Unverified BC547B · J201 · TL072 Carl Martin Crush Zone | Carl Martin Crush Zone | Distortion | Tagboard Effects | — | 3 | — | 24 |