Parts · Diodes
1N4148
Si Signal Diode DO-35 TH.2547 circuits use this part. Listed as: Signal diode, DO-35; Semiconductors; Diode; Standard Diode; Diode 1N4148.
Datasheet · from vishay.com
Substitutes same kind
Diodes of the same kind; for clipping, the forward drop is what you hear. The figures are read off each part's datasheet (this one's from page 2), typical where the sheet gives a typical value, otherwise the maximum. Closest first; the last column says what differs. A different part can change the sound, and a circuit may lean on one particular figure, so read the build document's notes before you swap.
This part
| Part | Vf | If max | Vr | trr | Cj | Package | Boards |
|---|---|---|---|---|---|---|---|
| 1N4148 | 1 V @ 10 mA | 0.15 A | 100 V | 4 ns | 4 pF | DO-35 | 2547 |
Vf is a 1 V maximum at 10 mA; the sheet calls the 1N914 electrically equivalent.
Alternatives
| Part | Vf | If max | Vr | trr | Cj | Package | Boards | Differs |
|---|---|---|---|---|---|---|---|---|
| 1N914 | 1 V @ 10 mA | 0.2 A | 100 V | 4 ns | 4 pF | DO-35 | 905 | Same die as the 1N4148; the B grade is specified at 0.62-0.72 V at 5 mA. |
| 1N916 | 1 V @ 10 mA | 0.2 A | 100 V | 4 ns | 2 pF | DO-35 | 17 | Lower capacitance (2 pF) version of the 1N914. |
| 1N457A | 1 V @ 20 mA | 0.2 A | 70 V | 8 pF | DO-35 | 1 | Low-leakage 70 V glass diode (25 nA at 60 V). | |
| 1N4149 | 1 V @ 10 mA | 0.5 A | 100 V | 4 ns | 2 pF | DO-35 | 1 | Low-capacitance (2 pF) 1N4148-class diode. |
| 1N4148W | 0.715 V @ 1 mA | 0.3 A | 100 V | 4 ns | 2 pF | SOD-123 | 5 | SOD-123. Surface-mount 1N4148 in SOD-123. |
| 1S1588 | 1.3 V @ 100 mA | 0.12 A | 35 V | 4 ns | 3 pF | DO-35 | 56 | A 1N4148-class switching diode; Vf is only a 1.3 V maximum at 100 mA. |
| 1N458A | 1 V @ 100 mA | 0.5 A | 150 V | DO-35 | 2 | Low-leakage 150 V glass diode (25 nA at 125 V). | ||
| OA200 | 0.53 V @ 0.1 mA | 0.05 A | 50 V | 3 | An early silicon-alloy diode with a 0.53 V drop at 0.1 mA, close to a 1N4148. | |||
| MA856 | 1 V @ 100 mA | 0.1 A | 35 V | 2 pF | DO-34 | 18 | DO-34. A band-switching diode (MA2C856), discontinued; Vf is only a 1 V maximum at 100 mA. | |
| BA282 | 1 V @ 100 mA | 0.1 A | 35 V | 1.5 pF | DO-35 | 8 | A VHF band-switching diode; Vf is only a 1 V maximum at 100 mA. |
| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Eclipse (Legacy) 4558 · JRC4558D · TC1044 · TC1044SCPA Korg SDD-3000 Preamp · 1590B | Korg SDD-3000 Preamp | Boost | Aion FX | 1590B | 3 | — | 35 | |
| Fuzzz Boxx Turret board2×8 BC109B Sam Ash Fuzzz Boxx | Sam Ash Fuzzz Boxx | Fuzz | Amplified Parts | — | 3 | — | 12 | |
| "That" compressor LM324 · TL072 | Bent Fishbowl That Compressor | Compressor | Bent Fishbowl | — | — | — | 28 | |
| "True" MOSFET clipping at 9V? Green Turtle overdrive and other applications BS170 · TL072 | — | Overdrive | Bent Fishbowl | — | — | — | 23 | |
| "that" Overdrive TL072 | — | Overdrive | Bent Fishbowl | — | 4 | — | 33 | |
| Bijous: pretty BJT overdrives | — | Overdrive | Bent Fishbowl | — | 2 | — | 33 | |
| CMOS multi-waveform generator | — | Other | Bent Fishbowl | — | 1 | — | 15 | |
| Chewborg Envelope Filter CD4007 · LM324 · TL072 · TL074 125B | — | Wah / Envelope | Bent Fishbowl | 125B | 3 | — | 63 | |
| Clearglass - some new glass for your bass NE5532 · TL074 | — | Bass | Bent Fishbowl | — | 4 | — | 52 | |
| Enveloping Timbre: envelope distortion 2N3904 · TL072 | — | Distortion | Bent Fishbowl | — | 5 | — | 37 | |
| LFOstortion 2N3904 · LM358 · TL072 | — | Distortion | Bent Fishbowl | — | 5 | — | 36 | |
| Pelota 2: PT2399 delay LM358 · PT2399 · TL072 | — | Delay | Bent Fishbowl | — | 5 | — | 58 | |
| VCA-1 multipurpose VCA pedal 2N3904 · 2N3906 · LM358 · LM555 1590B | — | Wah / Envelope | Bent Fishbowl | 1590B | 2 | — | 48 | |
| Lab Rat 2N3904 · IRF740 · NE555 ProCo RAT · 1590BB | ProCo RAT | Distortion | C2C Electronics | 1590BB | 4 | $20.00 | 40 | |
| Golden Hour Vemuram Jan Ray · 1590B | Vemuram Jan Ray | Overdrive | Coda Effects | 1590B | 4 | €9.00 | 30 | |
| Abductor Delay Ii 2N3904 · 2N5457 · PT2399 | — | Delay | Dead Astronaut FX | — | 6 | £15.00 | 127 | |
| Dreamtime Delay 2N3904 · 78L05 · PT2399 · TL072 | Dead Astronaut Dreamtime Delay | Delay | Dead Astronaut FX | — | 5 | £15.00 | 95 | |
| Easydriver Overdrive TL072 | — | Overdrive | Dead Astronaut FX | — | 2 | £15.00 | 35 | |
| FV-24 Multi Fx 24LC32A · FV-1 · TL072 | — | Other | Dead Astronaut FX | — | 6 | £15.00 | 67 | |
| Space Patrol Fuzz 2N5088 Dead Astronaut Space Patrol Fuzz | Dead Astronaut Space Patrol Fuzz | Fuzz | Dead Astronaut FX | — | 1 | £15.00 | 52 | |
| 'Zilla 741 · UA741 Last Gasp Arts Green Monster · 125B | Last Gasp Arts Green Monster | Fuzz | Dead End FX | 125B | 4 | $12.00 | 22 | |
| ?E. Nigma? BC307B · BC549C · J113 · MN3102 Lovetone "?" flanger · 1590D | Lovetone "?" flanger | Flanger | Dead End FX | 1590D | 6 | $20.00 | 153 | |
| Akira 2SC1815-GR · TA75558P · TLP222A Kurosawa "The Fuzz · 1590BBS | Kurosawa "The Fuzz | Fuzz | Dead End FX | 1590BBS | 2 | $15.00 | 61 | |
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| Andamento 2SC1815L-GR Last Gasp Labs Tone Mosaique · 1590BBS | Last Gasp Labs Tone Mosaique | Wah / Envelope | Dead End FX | 1590BBS | 4 | $15.00 | 48 | |
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| Anubis 2N5087 · 2N5089 · BS170 · LM308 Sunn O · 1590BBS | Sunn O | Fuzz | Dead End FX | 1590BBS | 5 | $15.00 | 76 | |
| Atomic Duck 2N3906 · 3080TH · CA3080 · TL072 Frostwave Funk-a-Duck, the Romans would have honored this circuit as Maximus Quackus · 1590BBS | Frostwave Funk-a-Duck, the Romans would have honored this circuit as Maximus Quackus | Wah / Envelope | Dead End FX | 1590BBS | 6 | $15.00 | 73 | |
| Big Ear 2N3904 · 2N5087 · 4558 · BC546B Spaceman Effects WOW Signal · 1590BBS | Spaceman Effects WOW Signal | Fuzz | Dead End FX | 1590BBS | 5 | $15.00 | 60 | |
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| Freq Tweq V.2 2SC1571-F · 4558 · TL072 · TLP222G Guyatone PS-022 Para EQ · 1590J | Guyatone PS-022 Para EQ | EQ / Filter | Dead End FX | 1590J | 3 | $15.00 | 76 | |
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| The Copulator V.2 2N5089 · 2N5457 · J201 · TL072 Smallsound/Bigsound Fuck Overdrive · 1590BBS | Smallsound/Bigsound Fuck Overdrive | Overdrive | Dead End FX | 1590BBS | 5 | $15.00 | 56 | |
| The Thing J201 · NE5532 · TL072 TWA Dynamorph · 1590J | TWA Dynamorph | Fuzz | Dead End FX | 1590J | 6 | $15.00 | 136 | |
| Trahald 2N3904 · BS170 · BS250 Spaceman Effects Rumblefuzz II · 125B | Spaceman Effects Rumblefuzz II | Fuzz | Dead End FX | 125B | 3 | $12.00 | 34 | |
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| Triffid TL072 · ZXCT1041 Spaceman Effects Nebula · 1590BBS | Spaceman Effects Nebula | Octave / Pitch | Dead End FX | 1590BBS | 5 | $15.00 | 73 | |
| Turbotrem BC549C · J113 · TL072 · TL074 Lovetone Wobulator · 1590D | Lovetone Wobulator | Vibrato / Chorus | Dead End FX | 1590D | 4 | $20.00 | 79 |