Pedal Parts / DIY

Transistor - J201, Siliconix, JFET, N-Channel, TO-92
J201 N-Channel JFET in a TO-92 package made by Siliconix. The J201 is designed primarily for low level audio and general purpose applications with high impedance signal sources.
  • Max drain to gate voltage = 40 V
  • Max gate to source voltage = -40 V
  • Max forward gate current = 50 mA
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Potentiometer - Alpha, W-Taper, 9mm, Vertical, 20kΩ
W taper, vertical mount, 20kΩ Alpha pots with a 6.35mm shaft diameter. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
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Transistor - 2N5087, Bipolar, General Purpose, PNP
2N5087 PNP Bipolar Junction Transistor in TO-92 package. For the NPN 2N5087 see P-Q2N5088
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Wire - 20 AWG Solid Core, Lacquered Cloth Cover, 600V
Colors Available:
#20 solid copper wire with modern insulation and lacquered cotton braid finish. 105°C temperature rating, 600V. For a stranded version, see: S-W7XL
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LED Lens - Square, Fresnel, Polycarbonate, 3mm
Colors Available:
Panel mount LED lenses made of high quality polycarbonate. These square lenses provide a clean semi-flush appearance with a small panel footprint and work well in any project using LED indicators. Features:
  • 0.171” mounting hole
  • For panel thicknesses of 0.031” to 0.125″
  • Fresnel lens
  • Low Profile
  • Fits standard 3mm LEDs
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Potentiometer Adapter Sleeve - Converts 4mm shaft to 6mm
This nickel-plated steel adapter sleeve converts a 4mm shaft potentiometer to 6mm shaft, allowing for 6mm knobs to be used on a wider range of potentiometers. An additional 6mm to 6.35mm adapter R-VADAPT-25 can then be used to fit 1/4” knobs (sold seperately).
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Transistor - AS394H, Matched Pair, Alfa, TO5-8 case, NPN
The AS394H is a junction isolated ultra well-matched monolithic NPN transistor pair with an order of magnitude improvement in matching over conventional transistor pairs. Electrical characteristics of these devices such as drift versus initial offset voltage, noise, and the exponential relationship of base-emitter voltage to collector current closely approach those of a theoretical transistor. Extrinsic base and emitter resistances are very low, giving very low noise and operating over a wide current range. To guarantee long term stability of matching parameters, internal clamp diodes have been added across the emitter-base junction of each transistor. These prevent degradation due to reverse biased emitter current, the most common cause of field failures in matched devices.
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StripBoard - Single Sided, 3.15” x 1.97”, Mounting Holes
Prototyping circuit board with a standard long strip pattern where tracks run the length of the board. The long tracks are convenient for power and ground rails, and for signal buses. Strips can be cut as needed to make smaller tracks and circuit pads and the board has 0.1" hole spacing for DIP integrated circuits/ headers as well as other parts. Higher quality than traditional stripboard, the holes are drilled, not punched.
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Switch - Dunlop, Footswitch, DPDT, Solder Lugs, for MXR
Dunlop® Electronic Components DPDT latching footswitch with solder lugs for MXR, Cry Baby, and other effects pedals.
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Transistor - 2N2646 Programmable Unijunction
2N2646 programmable unijunction transistor often referred to as a PUT. The 2N2646 can be found in many tremolo effects pedal projects and vintage classics such as the Vox Repeat Percussion.
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Op-Amp - LM3900, Quad, Norton, 14-Pin DIP
LM3900 quad op amp in a 14-pin DIP package. These devices consist of four independent, high-gain frequency-compensated Norton operational amplifiers that were designed specifically to operate from a single supply over a wide range of voltages. Operation from split supplies is also possible. The low supply current drain is essentially independent of the magnitude of the supply voltage. These devices provide wide band- width and large output voltage swing. Features
  • Wide Range of Supply Voltages, Single or Dual Supplies
  • Wide Bandwidth
  • Large Output Voltage Swing
  • Output Short-Circuit Protection
  • Internal Frequency Compensation
  • Low Input Bias Current
  • Designed to Be Interchangeable With National Semiconductor LM2900 and LM3900, Respectively
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Diode - 1N5817, Schottky, High Switching Speed
Schottky diode with low forward voltage drop and high switching speeds.
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Terminal Strip - Ceramic, 1 row, 4 slots, 2.5mm thread
Ceramic terminal strip, 1 row, 4 slots, 2.5mm thread.
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CMOS - CD4049, Hex Inverting Buffer and Converter, 16-Pin DIP
The CD4049UB devices are inverting hex buffers, and feature logic-level conversion using only one supply voltage (VCC). The input-signal high level (VIH) can exceed the VCC supply voltage when these devices are used for logic level conversions. These devices are intended for use as CMOS to DTL or TTL converters and can drive directly two DTL or TTL loads. (VCC = 5 V, VOL ≤ 0.4 V, and IOL ≥ 3.3 mA.) Features:
  • Inverting
  • High Sink Current for Driving 2 TTL Loads
  • High-to-Low Level Logic Conversion
  • 100% Tested for Quiescent Current at 20 V
  • Maximum Input Current of 1 µA at 18 V Over Full
  • Package Temperature Range; 100 nA at 18 V and 25°C
  • 5-V, 10-V, and 15-V Parametric Ratings

Applications
  • CMOS to DTL or TTL Hex Converters
  • CMOS Current Sink or Source Drivers
  • CMOS High-to-Low Logic Level Converters
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Transistor - 2N3392, Silicon, TO-92 case, NPN
The 2N3392 is a general purpose NPN transistor in a TO-92 case. The 2N3392 is used in some original silicon Fuzz Face pedals as well as the Brassmaster fuzz.
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Potentiometer - Song Huei, Linear, 9mm, Tall
Linear taper, vertical mount, Song Huei pots with a 6mm shaft. These 9mm pots are popular in DIY guitar pedals, modular synthesizers, and other projects where space is limited. The knurled shaft features a painted indicator line so no knob is required. These tall versions have a 17mm shaft length and a total height of 25mm. For audio taper versions, see R-VSHL-AX. For center notched linear taper versions, see R-VSHL-BX-CN.
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Capacitor - 100V, Ceramic Disc, ± 10%
100 V ceramic disc capacitors. ± 10% tolerance.
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Footswitch - ST Professional, DPST, Latching, Solder Lugs
Heavy duty DPST latching switch made in Italy by ST Professional. The body is made of PBT that is riveted to the bushing plate for a sturdy construction. The actuation force is lighter than similar Carling switches and provides tactile and audible feedback so the switching action is apparent to the user. This version features standard solder lugs. This style of footswitch is similar to the vintage footswitches found in the Gary Hurst Fuzz King, the Hornby Skewes Shatterbox, the Jen Fuzz III, the Selmer Buzz Tone, and others.
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Integrated Circuit - 24LC32A/P, EEPROM, 8-pin DIP
24LC32A/P EEPROM in an 8-pin DIP package commonly used in Spin FV-1 projects. The Microchip Technology Inc. 24LC32A is a 4K x 8 (32K bit) Serial Electrically Erasable PROM capable of operation across a broad voltage range (2.5V to 6.0V). It has been developed for advanced, low power applications such as personal communications or data acquisition. The 24LC32A also has a page-write capability of up to 32 bytes of data. The 24LC32A is capable of both random and sequential reads up to the 32K boundary. Functional address lines allow up to eight 24LC32A devices on the same bus, for up to 256K bits address space. Advanced CMOS technology and broad voltage range make this device ideal for low-power/low-voltage, nonvolatile code and data applications.
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Switch - GØRVA, Submini Toggle, SPDT, 2 Position, PC Pins, Medium Bat
Premium two position SPDT submini toggle switches from Gorva Design. The Bascular Sub Mini switches have a medium 7.37mm actuator length. These switches feature silver plated copper alloy contacts. The bushing is smooth and the switch is secured with the mounting bracket on the PCB. RoHS compliant & lead-free. Details
  • 5.59mm non-threaded bushing
  • 2-Position On/On
  • 4.95mm panel hole diameter
  • Single pole/Double throw (SPDT)
  • PC Pins

Features
  • Power Rating: DC9V, 1A
  • Contact Resistance: <20mΩ
  • Insulation Resistance: 1000MΩ Minimum
  • Dielectric Strength: 1000V RMS @ Sea Level
  • Operating Temperature: -40°C ~ +85°C
  • Electrical Life: 30,000 Cycles
  • RoHS & Lead-free
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Chassis Box - Hammond, 1590DD, Diecast, 7.40" x 4.72" x 1.30"
Hammond Mfg. Diecast Aluminum Chassis Box – 7.4” x 4.7” x 1.3”. Made in Taiwan. Key Features: • Rugged, diecast aluminum alloy (tough - yet easy to machine), electronic instrument enclosure.
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Chassis - Three Knob Fuzz, Pressed Steel
Pre-drilled three knob pedal enclosure made of pressed steel. This large enclosure is a close match to the original enclosures found on various vintage fuzz effects such as the Vox Tone Bender MKIII, Rotosound Fuzz, and Park Fuzz Sound. It features three holes for potentiometers, two top mounted holes for ⅜” jacks, and a footswitch hole. Comes with 4 rubber feet and a pack of mounting screws(packaged separately) for attaching the bottom plate.
  • Footswitch Hole Diameter: 0.492 in. (12.5mm)
  • Potentiometer Hole Diameter: 0.294 in. (7.47mm)
  • Jack Hole Diameter: 0.447 in. (11.35mm)
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Chassis Box - Hammond, 1550P, Diecast, 3.15” x 2.17” x 0.83”
The 1550P is a 3.15 in. x 2.17 in. x 0.83. diecast enclosure made by Hammond. This enclosure is a great option for extra compact builds while still offering plenty of room for an easy construction.
  • Rugged, diecast aluminum alloy (tough yet easy to machine), electronic instrument enclosure.
  • Lap joint construction provides protection against access of dust and splashing water. Also provides for improved EMI/RFI shielding.
  • Vibra finished for a smooth surface with no sharp edges.
  • Four 6-32 x ½" machine screws secure lid - into tapped holes.
  • Designed to meet IP54.
  • Low side wall draft angle (2 degrees or less) for easy P.C. board mounting.
  • Dimensions shown are exterior dimensions.
  • Add 0.16" to enclosure depth for lid.
  • M3.5-0.6 threaded holes for mounting the bottom plate. Screws included.
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Switch - Carling, Mini Toggle, SPDT, 2 Position, Solder Lugs, Flattened
Carling mini-toggle switch, SPDT. This switch features a flattened actuator.
  • 0.354" bushing length
  • 2-Position On/On
  • ¼" mounting hole diameter
  • Single pole/Double throw (SPDT)
  • Solder Lugs
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