Parts · Transistors
BC550C
Si NPN BJT TO-92 TH.81 circuits use this part. Listed as: BJT transistor, NPN TO-92; BJT transistor, NPN, TO-92; Transistor BC550C.
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 |
|---|---|---|---|---|---|
| BC550C | 420 | 45 V | 100 mA | 0.5 W | 150 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| BC547C | 420 | 45 V | 100 mA | 0.5 W | 200 MHz | 18 |
| 2N6429 | 400 | 45 V | 200 mA | 0.625 W | 100 MHz | 1 |
| 2SC1583 | 500 | 50 V | 100 mA | 0.4 W | 150 MHz | 3 |
| 2N5828 | 400 | 40 V | 100 mA | 0.36 W | 90 MHz | 1 |
| 2SC1815BL | 500 | 50 V | 150 mA | 0.4 W | 80 MHz | 4 |
| 2N5962 | 600 | 45 V | 50 mA | 0.625 W | 100 MHz | 2 |
| 2SC1815GR | 300 | 50 V | 150 mA | 0.4 W | 80 MHz | 6 |
| ZTX382B | 240 | 45 V | 100 mA | 0.45 W | 150 MHz | 1 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| 2SC6100 | 400 | 50 V | 2500 mA | 0.5 W | |
| 2SC6135 | 400 | 50 V | 1000 mA | 0.5 W | |
| BC847C-AU | 420 | 45 V | 100 mA | 0.33 W | |
| BC850C-AU | 420 | 45 V | 100 mA | 0.33 W | |
| BC207C | 420 | 45 V | 100 mA | 0.3 W | 150 MHz |
| BC237C | 420 | 45 V | 100 mA | 0.3 W | 150 MHz |
| BC451C | 420 | 45 V | 100 mA | 0.3 W | 150 MHz |
| BC546C | 420 | 65 V | 100 mA | 0.625 W | 150 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Cygnus Distortion / Sustainer BC550C Cornish P-2 / G-2 · 125B | Cornish P-2 / G-2 | Fuzz | Aion FX | 125B | 3 | $12.50 | 88 | |
| Oceanid Optical Compressor BC549C · BC550C · LM358 · LM358N Cornish OC-1 · 125B | Cornish OC-1 | Compressor | Aion FX | 125B | 3 | $12.50 | 95 | |
| Firewater BC548C · BC550C TC Electronic Integrated Preamp · 125B | TC Electronic Integrated Preamp | Preamp / Amp-in-a-box | Dead End FX | 125B | 2 | $12.00 | 28 | |
| 7Dwarves Auto Wah 2N5457 · 78L05 · BC550C · LM13700 1590B | — | Wah / Envelope | delyk PCBs | 1590B | 4 | — | 56 | |
| Apocalypse Audio Black Russian Doom Mods Vero19×16 Verified BC550C Apocalypse Audio Black Russian Doom Mods | Apocalypse Audio Black Russian Doom Mods | Distortion | Dirtbox Layouts | — | 4 | — | 37 | |
| BJF / Bearfoot Fx Pink Purple Fuzz 4-knob Vero20×12 Verified 2N1308 · 2N5952 · BC550C BJF / Bearfoot Fx Pink Purple Fuzz 4-knob | BJF / Bearfoot Fx Pink Purple Fuzz 4-knob | Fuzz | Dirtbox Layouts | — | 4 | — | 25 | |
| BJFe / Bearfoot Mint Green Mini Vibe Vero24×26 Unverified 2N5952 · 78L05 · BC550C · TL071 BJFe / Bearfoot Mint Green Mini Vibe | BJFe / Bearfoot Mint Green Mini Vibe | Vibrato / Chorus | Dirtbox Layouts | — | 3 | — | 34 | |
| BJFe Vibra Vibe Vero30×29 Unverified 2N1711 · 78L05 · ? · BC550C BJFe Vibra Vibe | BJFe Vibra Vibe | Vibrato / Chorus | Dirtbox Layouts | — | 2 | — | 44 | |
| Bearfoot Fx Arctic White Fuzz Vero15×12 Verified BC550C · J113 BearFoot FX Arctic White Fuzz | BearFoot FX Arctic White Fuzz | Fuzz | Dirtbox Layouts | — | 3 | — | 21 | |
| Cornish P-2 Vero21×24 Verified BC550C Cornish P-2 | Cornish P-2 | Distortion | Dirtbox Layouts | — | 3 | — | 38 | |
| Dirtmonger Instruments Distortion H Tribute Vero28×28 Unverified BC550C · TL072 Dirtmonger Instruments Distortion H Tribute | Dirtmonger Instruments Distortion H Tribute | Distortion | Dirtbox Layouts | — | 7 | — | 53 | |
| Exar BM-02 Bad Metal Vero20×20 Unverified 4558 · BC550C · J201 Exar BM-02 Bad Metal | Exar BM-02 Bad Metal | Distortion | Dirtbox Layouts | — | 4 | — | 37 | |
| Exar MD-03 Metal Mind Vero27×22 Unverified 4558 · BC550C · J201 · RC4558 Exar MD-03 Metal Mind | Exar MD-03 Metal Mind | Distortion | Dirtbox Layouts | — | 5 | — | 45 | |
| Exar MT-02 Metal Vero20×21 Unverified 4558 · BC550C · J201 Exar MT-02 Metal | Exar MT-02 Metal | Distortion | Dirtbox Layouts | — | 4 | — | 35 | |
| Exar OD-02 Overdrive Vero18×19 Unverified BC547 · BC550C · BC560C · J113 Exar OD-02 Overdrive | Exar OD-02 Overdrive | Overdrive | Dirtbox Layouts | — | 3 | — | 23 | |
| Mad Professor Amber Overdrive Vero19×18 Verified 2N3819 · 2N5485 · BC550C Mad Professor Amber Overdrive | Mad Professor Amber Overdrive | Distortion | Dirtbox Layouts | — | 3 | — | 37 | |
| Mad Professor Fire Red Fuzz Vero19×18 Verified 2N3819 · 2N5485 · BC550C Mad Professor Fire Red Fuzz | Mad Professor Fire Red Fuzz | Distortion | Dirtbox Layouts | — | 3 | — | 35 | |
| Randall Facepunch Overdrive Vero13×12 Verified BC550C Randall Facepunch Overdrive | Randall Facepunch Overdrive | Boost | Dirtbox Layouts | — | 3 | — | 20 | |
| Roger Mayer Vision Octavia Vero19×16 Unverified BC550C · BC560C Roger Mayer Octavia | Roger Mayer Octavia | Fuzz | Dirtbox Layouts | — | 3 | — | 29 | |
| Skreddy P19 Vero19×18 Verified BC550C Skreddy P19 | Skreddy P19 | Distortion | Dirtbox Layouts | — | 3 | — | 33 | |
| Tube Amp Doctor Range King Vero12×10 Verified BC550C Tube Amp Doctor Range King | Tube Amp Doctor Range King | Boost | Dirtbox Layouts | — | 2 | — | 16 | |
| Walco Chord & Note Sustainer Vero17×11 Unverified 2N3904 · 2SK30A · BC550C Walco Chord & Note Sustainer | Walco Chord & Note Sustainer | Compressor | Dirtbox Layouts | — | — | — | 20 | |
| Yerasov 7000V Modern High Gain Distortion Vero23×25 Unverified 4558 · BC550C Yerasov 7000V Modern High Gain Distortion | Yerasov 7000V Modern High Gain Distortion | Distortion | Dirtbox Layouts | — | 5 | — | 46 | |
| Yerasov Gamma GR-1 Grunge Vero Unverified 4558 · BC550C · KT303 Yerasov Gamma GR-1 Grunge | Yerasov Gamma GR-1 Grunge | Distortion | Dirtbox Layouts | — | 4 | — | 45 | |
| BearFoot FX Arctic White Fuzz Perfboard Verified BC550C · J113 BearFoot FX Arctic White Fuzz · 1590B | BearFoot FX Arctic White Fuzz | Fuzz | Effects Layouts (blog) | 1590B | 3 | — | 21 | |
| BearFoot FX Pale Green Compressor Perfboard Verified 78L05 · BC550C · LDR · NE5534 BearFoot FX Pale Green Compressor | BearFoot FX Pale Green Compressor | Compressor | Effects Layouts (blog) | — | 3 | — | 29 | |
| BearFoot Fx Pink Purple Fuzz Perfboard Verified 2N1308 · 2N5952 · BC550C BearFoot FX Pink Purple Fuzz | BearFoot FX Pink Purple Fuzz | Fuzz | Effects Layouts (blog) | — | 3 | — | 25 | |
| Fortin 33 Perfboard Verified BC550C · TC1044 · TC1044SCPA · TL071 Fortin 33 | Fortin 33 | Boost | Effects Layouts (blog) | — | 1 | — | 31 | |
| HexeFX Night Train OD Perfboard Verified BC550C · BC560C HexeFX Night Train OD | HexeFX Night Train OD | Overdrive | Effects Layouts (blog) | — | 3 | — | 20 | |
| Mad Professor Amber Drive Perfboard Verified 2N3819 · 2N5485 · BC550C Mad Professor Amber Overdrive | Mad Professor Amber Overdrive | Fuzz | Effects Layouts (blog) | — | 3 | — | 35 | |
| Mad Professor Fire Red Fuzz Perfboard Verified 2N3819 · 2N5485 · BC550C Mad Professor Fire Red Fuzz | Mad Professor Fire Red Fuzz | Fuzz | Effects Layouts (blog) | — | 3 | — | 34 | |
| Mad Professor Forest Green Compressor Perfboard Unverified 2SK170 · 78L05 · AD797 · BC550C Mad Professor Forest Green Compressor | Mad Professor Forest Green Compressor | Compressor | Effects Layouts (blog) | — | 3 | — | 39 | |
| Mad Professor Snow White AutoWah Perfboard Verified 2N5457 · 7805 · BC550C · LM13700 Mad Professor Snow White AutoWah · 1590B | Mad Professor Snow White AutoWah | Wah / Envelope | Effects Layouts (blog) | 1590B | 4 | — | 33 | |
| NN Classic Fuzz Perfboard Unverified BC550C NN Classic Fuzz · 1590A | NN Classic Fuzz | Fuzz | Effects Layouts (blog) | 1590A | — | — | 12 | |
| TAD Range King Perfboard Verified BC550C TAD Range King | TAD Range King | Boost | Effects Layouts (blog) | — | 2 | — | 16 | |
| Elektor Compressor BC550C · TL064 | — | Compressor | Experimentalists Anonymous | — | — | — | 60 | |
| 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 | |
| Hi-Fi Preamp BC550C · BC560C | — | Preamp / Amp-in-a-box | Experimentalists Anonymous | — | — | — | 13 | |
| Moog Taurus (PDF) BC550C · CD4011 · CD4011B · CD4066 | — | Ring Mod / Synth | Experimentalists Anonymous | — | 5 | — | 90 | |
| Fortune Fuzz BC550C Fortin Fuzz · 1590B | Fortin Fuzz | Fuzz | Fuzz Dog | 1590B | 3 | £24.00 | 20 | |
| Polar White Face BC550C · J113 / PF5102 BearFoot FX Arctic White Fuzz · 1590B | BearFoot FX Arctic White Fuzz | Fuzz | Fuzz Dog | 1590B | 3 | £30.00 | 27 | |
| Range Boss BC550C Tube Amp Doctor Range King · 1590B | Tube Amp Doctor Range King | Boost | Fuzz Dog | 1590B | 2 | £21.60 | 16 | |
| Volt Thump 741 · 7660S · 7660SEPA · BC550C 33 · 1590B | 33 | Boost | Fuzz Dog | 1590B | 1 | £39.60 | 48 | |
| Brown Cat Preamp v.3 BC547C · BC550C · BC557C · IRF740 Friedman BE50/BE100 preamp · 1590DD | Friedman BE50/BE100 preamp | Preamp / Amp-in-a-box | HotKits | 1590DD | 14 | $28.00 | 75 | |
| Burning Tube 4558 · BC550C · JRC4558D Ibanez Tube Screamer · 1590B | Ibanez Tube Screamer | Overdrive | HotKits | 1590B | 4 | — out | 29 | |
| Forte 22 7660S · BC550C · ICL7660SCPAZ · TL071 Fortin 33 Booster · 1590B | Fortin 33 Booster | Boost | HotKits | 1590B | 1 | $7.00 | 30 | |
| S-Cabsim 2N5457 · BC550C · BC560C | — | Preamp / Amp-in-a-box | HotKits | — | — | $2.50 | 42 | |
| Sabotage Overdrive 2SK170 · BC550C Catalinbread Sabbra Cadabra · 1590B | Catalinbread Sabbra Cadabra | Overdrive | HotKits | 1590B | 4 | — out | 33 | |
| BJF Vibravibe 2N1711 · 78L05 · BC550C · BF245A-III 1590BB | — | Vibrato / Chorus | Moody Sounds | 1590BB | 2 | kr1795.00 | 67 | |
| Moody Tremolo BC550C · BF245 | — | Tremolo | Moody Sounds | — | 3 | kr695.00 out | 26 | |
| Bunker 33 BC550C · TC1044 · TC1044SCPA · TL071 Fortin 33 · 125B | Fortin 33 | Boost | PCB Guitar Mania | 125B | 1 | €9.90 out | 50 | |
| Arctic White Fuzz BC550C · J113 BearFoot FX Arctic White Fuzz | BearFoot FX Arctic White Fuzz | Fuzz | PCBWay: Glory to Ukraine | — | 3 | — | 22 | |
| Distortus Maximus BC550C · LM386 Krank Distortus Maximus | Krank Distortus Maximus | Distortion | PCBWay: Glory to Ukraine | — | 5 | — | 26 | |
| 410 Fuzz BC550C Fortin Fuzz · 125B | Fortin Fuzz | Fuzz | PedalPCB | 125B | 3 | $10.00 | 20 | |
| Danube Fuzz BC550C Skreddy P19 · 125B | Skreddy P19 | Fuzz | PedalPCB | 125B | 4 | $8.00 | 56 | |
| Fist Bump Overdrive BC550C Randall Facepunch Overdrive · 125B | Randall Facepunch Overdrive | Fuzz | PedalPCB | 125B | 3 | $10.00 | 25 | |
| Fuchsia Fuzz 2N1308 · BC550C · MPF4393 BearFoot FX Pink Purple Fuzz · 125B | BearFoot FX Pink Purple Fuzz | Fuzz | PedalPCB | 125B | 5 | $12.00 | 44 | |
| Isosceles Boost BC550C · TC1044 · TC1044SCPA · TL071 125B | — | Fuzz | PedalPCB | 125B | 5 | $8.00 | 54 | |
| Resinite Overdrive 2N3819 · 2N5485 · BC550C Mad Professor Amber Overdrive · 125B | Mad Professor Amber Overdrive | Fuzz | PedalPCB | 125B | 3 | $8.00 | 51 | |
| Triangulum Boost BC550C · TC1044 · TC1044SCPA · TL071 125B | — | Fuzz | PedalPCB | 125B | 1 | $8.00 out | 48 | |
| Bearfoot FX Pale Green Compressor 78L05 · BC550C · NE5534 BearFoot FX Pale Green Compressor | BearFoot FX Pale Green Compressor | Compressor | Revolution Deux | — | 3 | — | 48 | |
| Mad Professor Fire Red Fuzz 2N3819 · 2N5485 · BC550C Mad Professor Fire Red Fuzz | Mad Professor Fire Red Fuzz | Fuzz | Revolution Deux | — | 3 | — | 51 | |
| Mad Professor Forest Green Compressor Vero 2SK170 · 78L05 · AD797 · BC550C Mad Professor Forest Green Compressor | Mad Professor Forest Green Compressor | Compressor | Revolution Deux | — | 3 | — | 62 | |
| 21st Century Big Muff Vero23×18 Verified BC550C · TL072 Electro-Harmonix Big Muff Pi | Electro-Harmonix Big Muff Pi | Fuzz | Tagboard Effects | — | 5 | — | 29 | |
| BBE Free Fuzz Vero13×10 Verified BC550C BBE Free Fuzz | BBE Free Fuzz | Fuzz | Tagboard Effects | — | 2 | — | 20 | |
| BJFE / Bearfoot Arctic White Fuzz Vero16×11 Verified BC550C · J113 BearFoot FX Arctic White Fuzz | BearFoot FX Arctic White Fuzz | Fuzz | Tagboard Effects | — | 3 | — | 21 | |
| BJFE / Bearfoot Pink Purple Fuzz Vero21×11 Verified 2N1308 · 2N5952 · BC550C BearFoot FX Pink Purple Fuzz | BearFoot FX Pink Purple Fuzz | Fuzz | Tagboard Effects | — | 3 | — | 26 | |
| BJFE Pale Green Compressor Vero21×19 Verified 78L05 · BC550C · NE5534 · NSL32 BearFoot FX Pale Green Compressor | BearFoot FX Pale Green Compressor | Compressor | Tagboard Effects | — | 3 | — | 26 | |
| Bearfoot Candy Apple Fuzz Gold Vero19×16 Verified 2N1308 · 2N5952 · BC550C BearFoot FX Candy Apple Fuzz Gold | BearFoot FX Candy Apple Fuzz Gold | Fuzz | Tagboard Effects | — | 4 | — | 32 | |
| EHX Big Muff Pi with Tone Wicker Vero20×17 Verified BC550C Electro-Harmonix Big Muff Pi | Electro-Harmonix Big Muff Pi | Fuzz | Tagboard Effects | — | 3 | — | 33 | |
| EHX NYC Big Muff Vero20×17 Verified BC550C Electro-Harmonix Big Muff Pi | Electro-Harmonix Big Muff Pi | Fuzz | Tagboard Effects | — | 3 | — | 23 | |
| Fortin 33 Vero21×17 Verified 1044 · BC550C · TC1044 · TL071 Fortin 33 | Fortin 33 | Boost | Tagboard Effects | — | 1 | — | 35 | |
| Heathkit TA28 Vero17×9 Verified BC550C · BC560C Heathkit TA28 | Heathkit TA28 | Boost | Tagboard Effects | — | 2 | — | 17 | |
| Mad Professor Amber Overdrive Vero20×17 Verified 2N5485 · BC550C Mad Professor Amber Overdrive | Mad Professor Amber Overdrive | Overdrive | Tagboard Effects | — | 3 | — | 35 | |
| Mad Professor Fire Red Fuzz Vero17×20 Verified 2N3819 · 2N5485 · BC550C Mad Professor Fire Red Fuzz | Mad Professor Fire Red Fuzz | Fuzz | Tagboard Effects | — | 3 | — | 35 | |
| Mad Professor Forest Green Compressor Vero21×22 Verified 2SK170 · 78L05 · AD797 · BC550C Mad Professor Forest Green Compressor · 1590B | Mad Professor Forest Green Compressor | Compressor | Tagboard Effects | 1590B | 3 | — | 40 | |
| Roger Mayer Page 1 Vero19×13 Verified AC128 · BC550C · LM301A · LM301N Roger Mayer Page 1 | Roger Mayer Page 1 | Distortion | Tagboard Effects | — | 3 | — | 24 | |
| Skreddy P19 Vero20×17 Verified BC550C Skreddy P19 | Skreddy P19 | Fuzz | Tagboard Effects | — | 3 | — | 32 | |
| Univox SQ-150 Square Wave Vero16×9 Verified 2N5457 · BC550C Univox SQ-150 Square Wave | Univox SQ-150 Square Wave | Fuzz | Tagboard Effects | — | 2 | — | 19 | |
| Univox Super Fuzz Vero32×12 Verified BC550C Univox Super-Fuzz · 1590BB | Univox Super-Fuzz | Fuzz | Tagboard Effects | 1590BB | 2 | — | 21 |