Parts · Transistors
BC109C
Si NPN BJT TO-18 / TO-92 TH.79 circuits use this part. Listed as: TO-18 Silicon Transistor; BJT transistor, NPN TO-92; BJT transistor, NPN TO-18; Semiconductors; Silicon transistor.
Datasheet · archived copy from Siemens; the part is discontinued and the maker no longer publishes it
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 |
|---|---|---|---|---|---|
| BC109C | 420 | 20 V | 100 mA | 0.3 W | 150 MHz |
Used on other boards here
| Part | hFE min | Vce | Ic | Pc | fT | Boards |
|---|---|---|---|---|---|---|
| BC239C | 420 | 20 V | 100 mA | 0.3 W | 150 MHz | 16 |
| BC108C | 420 | 20 V | 100 mA | 0.3 W | 150 MHz | 13 |
| BC184C | 450 | 30 V | 200 mA | 0.3 W | 150 MHz | 15 |
| BC183C | 450 | 30 V | 200 mA | 0.3 W | 150 MHz | 6 |
| BC130C | 470 | 20 V | 100 mA | 0.175 W | 150 MHz | 2 |
| ZTX383C | 450 | 30 V | 100 mA | 0.45 W | 150 MHz | 1 |
| BC318C | 400 | 30 V | 150 mA | 0.31 W | 100 MHz | 3 |
| BC549C | 420 | 30 V | 100 mA | 0.5 W | 200 MHz | 171 |
Closest by the numbers
| Part | hFE min | Vce | Ic | Pc | fT |
|---|---|---|---|---|---|
| BC208C | 420 | 20 V | 100 mA | 0.3 W | 150 MHz |
| BC238C | 420 | 20 V | 100 mA | 0.3 W | 150 MHz |
| BC148C | 420 | 20 V | 200 mA | 0.25 W | 150 MHz |
| BC149C | 420 | 20 V | 200 mA | 0.25 W | 150 MHz |
| BC408C | 420 | 20 V | 100 mA | 0.25 W | 150 MHz |
| BC409C | 420 | 20 V | 100 mA | 0.25 W | 150 MHz |
| BCF29C | 420 | 20 V | 200 mA | 0.25 W | 165 MHz |
| BCF92C | 420 | 20 V | 200 mA | 0.25 W | 165 MHz |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Dinosaural Tubebender Turret board2×12 2N2907 · BC109C Dinosaural Tube Bender · 1590BB | Dinosaural Tube Bender | Overdrive | Amplified Parts | 1590BB | 3 | — | 21 | |
| Dead Air Business Card 2N3906 · BC109C Jordan Bosstone · 1590BB2 | Jordan Bosstone | Fuzz | Dead Air Studios | 1590BB2 | 4 | $8.00 | 22 | |
| Animal Factory Baron Samedi Fuzz 4-knob Vero16×13 Unverified 2N2222 · 2N3906 · BC109C Animal Factory Baron Samedi Fuzz 4-knob | Animal Factory Baron Samedi Fuzz 4-knob | Fuzz | Dirtbox Layouts | — | 4 | — | 27 | |
| Apocalypse Audio Green Bomb Fuzz Vero14×12 Verified BC108 · BC109C Apocalypse Audio Green Bomb Fuzz | Apocalypse Audio Green Bomb Fuzz | Fuzz | Dirtbox Layouts | — | 3 | — | 18 | |
| Arbiter Treble & Bass Face Vero14×13 Verified BC109C Dallas Arbiter Treble & Bass Face | Dallas Arbiter Treble & Bass Face | EQ / Filter | Dirtbox Layouts | — | 3 | — | 23 | |
| BJF Analog Reverb Vero17×20 Verified 2N1613 · BC109C · J113 BJF Analog Reverb | BJF Analog Reverb | Reverb | Dirtbox Layouts | — | 3 | — | 33 | |
| BJF Fuzz 109 Vero13×10 Verified BC109C BJF Fuzz 109 | BJF Fuzz 109 | Fuzz | Dirtbox Layouts | — | 3 | — | 20 | |
| BJFe Heavy Swede Vero26×27 Unverified 2N1382 · 2N1711 · 4580 · 78L06 BJFe Heavy Swede | BJFe Heavy Swede | Distortion | Dirtbox Layouts | — | 6 | — | 53 | |
| Black Arts Toneworks Black Forest Vero17×17 Verified BC109C Black Arts Toneworks Black Forest | Black Arts Toneworks Black Forest | Overdrive | Dirtbox Layouts | — | 4 | — | 32 | |
| Black Effect Pedals Lava Machine Vero19×13 Verified 2N2222A · BC108B · BC109C Black Effect Pedals Lava Machine | Black Effect Pedals Lava Machine | Boost | Dirtbox Layouts | — | 3 | — | 25 | |
| Black Effects Pedals Dry Line Driver Vero18×14 Unverified BC109B · BC109C Black Effects Pedals Dry Line Driver | Black Effects Pedals Dry Line Driver | Fuzz | Dirtbox Layouts | — | 5 | — | 28 | |
| Blackhawk Amplifiers Valhalla Fuzz V1 Vero15×13 Verified 2N3904 · BC109C Blackhawk Amplifiers Valhalla Fuzz V1 | Blackhawk Amplifiers Valhalla Fuzz V1 | Fuzz | Dirtbox Layouts | — | 2 | — | 21 | |
| Colorsound Hybrid Tonebender 2018 Edition Vero18×15 Verified BC109C · CV10440 · OC140 Colorsound Hybrid Tonebender 2018 Edition | Colorsound Hybrid Tonebender 2018 Edition | Fuzz | Dirtbox Layouts | — | 3 | — | 27 | |
| Colorsound Overdriver MOJO layout Vero21×19 Unverified BC109C Colorsound Overdriver | Colorsound Overdriver | Overdrive | Dirtbox Layouts | — | 4 | — | 27 | |
| Colorsound Power Boost Vero20×11 Verified BC109C Colorsound Power Boost | Colorsound Power Boost | Boost | Dirtbox Layouts | — | 4 | — | 29 | |
| Emanating Fist Black Dust Vero12×9 Verified BC109C Emanating Fist Black Dust | Emanating Fist Black Dust | Fuzz | Dirtbox Layouts | — | 1 | — | 17 | |
| Frost Giant Electronics Massif Famine Vero12×11 Verified BC109C Frost Giant Electronics Massif Famine | Frost Giant Electronics Massif Famine | Fuzz | Dirtbox Layouts | — | 3 | — | 21 | |
| Fuzzhead Fx Foghead Vero15×11 Verified BC107B · BC109C · J113 Fuzzhead Fx Foghead | Fuzzhead Fx Foghead | Fuzz | Dirtbox Layouts | — | 3 | — | 26 | |
| Fuzzhead Fx Pink Goat Vero Verified BC109B · BC109C Fuzzhead Fx Pink Goat | Fuzzhead Fx Pink Goat | Fuzz | Dirtbox Layouts | — | 3 | — | 29 | |
| Grind Custom Fx TSM680 Mk 2 Vero20×17 Verified BC109C · MPSA18 Grind Custom Fx TSM680 Mk 2 | Grind Custom Fx TSM680 Mk 2 | Distortion | Dirtbox Layouts | — | 4 | — | 39 | |
| Grind Custom Fx Ultra Stoner Mk. 2 Vero20×17 Verified BC109C Grind Custom Fx Ultra Stoner Mk. 2 | Grind Custom Fx Ultra Stoner Mk. 2 | Distortion | Dirtbox Layouts | — | 4 | — | 33 | |
| Hiwatt, Custom Shop Filter Fuzz Vero13×11 Verified BC109C Hiwatt Custom Shop Filter Fuzz | Hiwatt Custom Shop Filter Fuzz | Fuzz | Dirtbox Layouts | — | 3 | — | 21 | |
| KMA Fuzzly Bear Vero15×8 Verified 2N3906 · BC109C KMA Machines Fuzzly Bear | KMA Machines Fuzzly Bear | Fuzz | Dirtbox Layouts | — | 3 | — | 18 | |
| Maestro FZ-1S Super Fuzz MOJO layout Vero23×20 Verified 2N5133 · BC109C Univox Super-Fuzz | Univox Super-Fuzz | Fuzz | Dirtbox Layouts | — | 3 | — | 33 | |
| PedalPCB / Chuck D. Bones Chubby Sammish Vero22×25 Unverified 2N7000 · BC109C · CA3130 · CD4049UB PedalPCB Chuck D. Bones Chubby Sammish | PedalPCB Chuck D. Bones Chubby Sammish | Overdrive | Dirtbox Layouts | — | 6 | — | 47 | |
| 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 | |
| PedalPCB / Chuck D. Bones The Black Box Vero21×18 Unverified BC109C · J113 · MPF4393 PedalPCB Chuck D. Bones The Black Box | PedalPCB Chuck D. Bones The Black Box | Distortion | Dirtbox Layouts | — | 4 | — | 40 | |
| PedalPCB/Chuck D. Bones Yankee Screwdriver Deluxe Turbo Vero20×18 Verified 2N5089 · BC109C · BS170 · J112 PedalPCB Chuck D. Bones Yankee Screwdriver Deluxe Turbo | PedalPCB Chuck D. Bones Yankee Screwdriver Deluxe Turbo | Fuzz | Dirtbox Layouts | — | 5 | — | 41 | |
| Red Witch Fuzz God 2 Vero15×12 Verified BC109B · BC109C Red Witch Fuzz God II | Red Witch Fuzz God II | Fuzz | Dirtbox Layouts | — | 4 | — | 25 | |
| Skreddy ? Lady Vero19×17 Verified 2N5133 · BC109C Skreddy ? Lady | Skreddy ? Lady | Distortion | Dirtbox Layouts | — | 3 | — | 30 | |
| Skreddy Hybrid Fuzz Driver Vero18×12 Verified AC127 · BC109C Skreddy Hybrid Fuzz Driver | Skreddy Hybrid Fuzz Driver | Fuzz | Dirtbox Layouts | — | 5 | — | 25 | |
| Skreddy Lunar Module Mini Deluxe Vero17×12 Verified BC109C Skreddy Lunar Module Mini Deluxe | Skreddy Lunar Module Mini Deluxe | Fuzz | Dirtbox Layouts | — | 5 | — | 29 | |
| Skreddy Screwdriver Deluxe Vero19×12 Verified AC127 · BC109C · BS170 Skreddy Screwdriver Deluxe | Skreddy Screwdriver Deluxe | Fuzz | Dirtbox Layouts | — | 5 | — | 29 | |
| Top Gear Treble Boost Vero12×11 Verified 2N3819 · BC109C Top Gear Treble Boost | Top Gear Treble Boost | Boost | Dirtbox Layouts | — | 2 | — | 14 | |
| Vox V809 Repeat Percussion w. mods Vero14×11 Verified 2N2646 · BC109C Vox Repeat Percussion | Vox Repeat Percussion | Tremolo | Dirtbox Layouts | — | 3 | — | 26 | |
| Black Biter BC109C Emanating Fist Black Acid · 125B | Emanating Fist Black Acid | Fuzz | Effects Layouts | 125B | 3 | $4.25 | 16 | |
| Apocalypse Audio Green Bomb Fuzz Perfboard Verified BC108 · BC109C Apocalypse Audio Green Bomb Fuzz | Apocalypse Audio Green Bomb Fuzz | Fuzz | Effects Layouts (blog) | — | 3 | — | 17 | |
| BJF Fuzz 109 Perfboard Unverified BC109C BJF Fuzz 109 · 1590B | BJF Fuzz 109 | Fuzz | Effects Layouts (blog) | 1590B | 3 | — | 20 | |
| Black Arts Toneworks Black Forest Perfboard Verified BC109C Black Arts Toneworks Black Forest · 1590B | Black Arts Toneworks Black Forest | Fuzz | Effects Layouts (blog) | 1590B | 4 | — | 32 | |
| KMA Fuzzly Bear Perfboard Verified 2N3906 · BC109C KMA Machines Fuzzly Bear | KMA Machines Fuzzly Bear | Fuzz | Effects Layouts (blog) | — | 3 | — | 18 | |
| MicTester Hot Silicon Tonebender Perfboard Verified BC109C MicTester Hot Silicon Tonebender | MicTester Hot Silicon Tonebender | Fuzz | Effects Layouts (blog) | — | 3 | — | 24 | |
| MicTester's 1969 Fuzz Box Perfboard Verified BC109C MicTester 1969 Fuzz Box | MicTester 1969 Fuzz Box | Fuzz | Effects Layouts (blog) | — | 2 | — | 15 | |
| Nocentelli JFET Boost Perfboard Verified BC109C · J201 Nocentelli JFET Boost | Nocentelli JFET Boost | Boost | Effects Layouts (blog) | — | 4 | — | 24 | |
| Skreddy Pedals Lunar Module Perfboard Verified BC109C Skreddy Lunar Module | Skreddy Lunar Module | Fuzz | Effects Layouts (blog) | — | 5 | — | 30 | |
| ETI Wah Wah unit BC109 · BC109C | — | Wah / Envelope | Experimentalists Anonymous | — | — | — | 42 | |
| High Quality Transistor Preamp BC108B · BC109C · BC178B | — | Preamp / Amp-in-a-box | Experimentalists Anonymous | — | 1 | — | 19 | |
| Synwave 2N3711 · BC109C · CA3080 | — | Ring Mod / Synth | Experimentalists Anonymous | — | — | — | 44 | |
| 109 Fuzz BC109C BJFE 109 Fuzz · 1590B | BJFE 109 Fuzz | Fuzz | Fuzz Dog | 1590B | 3 | £26.40 | 20 | |
| Big Hunger Fuzz BC109C Frost Giant Electronics Massif Famine · 1590B | Frost Giant Electronics Massif Famine | Fuzz | Fuzz Dog | 1590B | 3 | £26.40 | 19 | |
| Fusion Fuzz AC127 · BC109C Skreddy Hybrid Fuzz Driver · 1590B | Skreddy Hybrid Fuzz Driver | Fuzz | Fuzz Dog | 1590B | 5 | £38.40 | 32 | |
| Fuzz Guy BC109C Chase Tone Fuzz Fella · 1590B | Chase Tone Fuzz Fella | Fuzz | Fuzz Dog | 1590B | 5 | £30.00 | 19 | |
| Moon Unit - Dark Side of the Fuzz BC109C Skreddy Lunar Module · 1590B | Skreddy Lunar Module | Fuzz | Fuzz Dog | 1590B | 5 | £36.00 | 36 | |
| Ursa Fuzz 2N3906 · BC109C KMA Machines Fuzzly Bear · 1590B | KMA Machines Fuzzly Bear | Fuzz | Fuzz Dog | 1590B | 3 | £26.40 | 19 | |
| What Filter? Fuzz BC109C Fuzz Face / Hiwatt Filter Fuzz · 1590B | Fuzz Face / Hiwatt Filter Fuzz | Fuzz | Fuzz Dog | 1590B | 3 | £30.00 | 21 | |
| Tone Splendor MK1S Silicon Fuzz BC109C Sola Sound Gary Hurst Tone Bender MK1 · 1590BB | Sola Sound Gary Hurst Tone Bender MK1 | Fuzz | Mod Electronics | 1590BB | 2 | $79.95 | 29 | |
| BJF Analog Reverb 2N1613 · BC109C · J113 · J175 1590DD | — | Reverb | Moody Sounds | 1590DD | 1 | kr1295.00 | 52 | |
| BJF Fuzz 109 BC109C | — | Fuzz | Moody Sounds | — | 3 | kr795.00 | 23 | |
| BJF Universal Reverb 2N1613 · 2N1711 · BC109C · J113 | — | Reverb | Moody Sounds | — | 3 | kr1395.00 out | 68 | |
| Heavy Swede 2N1711 · 4580 · 4580L · 78L06 | — | Distortion | Moody Sounds | — | 6 | kr1695.00 | 85 | |
| Fuzzhead FX Pink Goat BC109B · BC109C | — | Fuzz | Moonn Electronics | — | 3 | €5.50 | 45 | |
| Apollo Module Fuzz BC109C Skreddy Lunar Module · 125B | Skreddy Lunar Module | Fuzz | PCB Guitar Mania | 125B | 2 | €9.90 out | 36 | |
| Grizzly Fuzz 2N3906 · BC109C KMA Machines Fuzzly Bear · 1590B | KMA Machines Fuzzly Bear | Fuzz | PCB Guitar Mania | 1590B | 3 | €9.90 out | 24 | |
| Yellow Hybrid Tone Bender 2SD77 · BC109 · BC109C Colorsound Yellow Hybrid Tone Bender · 125B | Colorsound Yellow Hybrid Tone Bender | Fuzz | Naegele Audio | 125B | 3 | — | 45 | |
| Fuzz Aldrin BC109C Skreddy Lunar Module Deluxe · 125B | Skreddy Lunar Module Deluxe | Fuzz | PedalPCB | 125B | 5 | $10.00 | 38 | |
| Hwut Fuzz BC109C Hiwatt Custom Shop Filter Fuzz · 125B | Hiwatt Custom Shop Filter Fuzz | Fuzz | PedalPCB | 125B | 4 | $10.00 | 23 | |
| Marigold Fuzz BC107 · BC109C · OC140 Sola Sound Yellow Hybrid Tone Bender · 125B | Sola Sound Yellow Hybrid Tone Bender | Fuzz | PedalPCB | 125B | 3 | $10.00 | 37 | |
| Teddy Rupture Fuzz 2N3906 · BC109C KMA Machines Fuzzly Bear · 125B | KMA Machines Fuzzly Bear | Fuzz | PedalPCB | 125B | 3 | $8.00 | 22 | |
| Mictester Silicon Tonebender Vero BC109C MicTester Silicon Tonebender | MicTester Silicon Tonebender | Fuzz | Revolution Deux | — | 4 | — | 30 | |
| Skreddy Lunar Module BC109C Skreddy Lunar Module | Skreddy Lunar Module | Fuzz | Revolution Deux | — | 5 | — | 40 | |
| Li'l Black Cormorant Fuzz 2N3906 · BC109C · PN2222A L'il Black Key · 125B | L'il Black Key | Fuzz | RWL Pedals | 125B | 5 | — | 34 | |
| Dall BC109C · J113 BearFoot FX Arctic White Fuzz | BearFoot FX Arctic White Fuzz | Fuzz | Sheepylove | — | 5 | €10.00 | 31 | |
| Arbiter Treble & Bass Face Vero16×12 Verified BC109C Dallas Arbiter Treble & Bass Face | Dallas Arbiter Treble & Bass Face | EQ / Filter | Tagboard Effects | — | 3 | — | 22 | |
| KMA Audio Machines Fuzzly Bear Vero16×9 Verified 2N3906 · BC109C KMA Machines Fuzzly Bear | KMA Machines Fuzzly Bear | Fuzz | Tagboard Effects | — | 3 | — | 17 | |
| RVIII Distortion Vero15×7 Verified BC109C RVIII Distortion | RVIII Distortion | Distortion | Tagboard Effects | — | 1 | — | 15 | |
| Red Witch Fuzz God II Vero14×11 Verified BC109B · BC109C Red Witch Fuzz God II | Red Witch Fuzz God II | Fuzz | Tagboard Effects | — | 4 | — | 24 | |
| Skreddy ?Lady Vero19×17 Verified 2N5133 · BC109C Skreddy ? Lady | Skreddy ? Lady | Fuzz | Tagboard Effects | — | 3 | — | 32 | |
| Skreddy Lunar Module Deluxe Vero20×12 Verified BC109C Skreddy Lunar Module Deluxe | Skreddy Lunar Module Deluxe | Fuzz | Tagboard Effects | — | 5 | — | 28 | |
| Skreddy Screwdriver Deluxe Vero21×10 Verified AC127 · BC109C · BS170 Skreddy Screwdriver Deluxe · 1590B | Skreddy Screwdriver Deluxe | Overdrive | Tagboard Effects | 1590B | 5 | — | 27 | |
| Skreddy Top Fuel Vero19×18 Verified 2N7000 · BC109C · BS170 Skreddy Top Fuel · 1590B | Skreddy Top Fuel | Fuzz | Tagboard Effects | 1590B | 3 | — | 37 |