Synth & Eurorack Parts / DIY

Our Synth & Eurorack Parts / DIY category is a curated list of items that are commonly found in synth/eurorack projects. The items and filters here do not represent our full lineup of parts. If you don't see what you are looking for, check out our main categories or send us a suggestion and we'll look into adding it.
Potentiometer - Alpha, Linear, Knurled Shaft, Right Angle, 16mm
Linear taper 16mm potentiometers with a T18 knurled shaft. These pots have right angle PCB mount terminals. The smaller size is useful for builds with limited panel space such as guitar pedals, synthesizer modules, and adding modifications to equipment. Washer and nut included.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Lead Depth from Panel: 10.7 mm + 5 mm (0.421” + 0.197”)
  • Lead Distance from shaft center: 16 mm (0.630”)
  • Lead Thickness: 0.5 mm (0.020”)
$0.99
PCB - SMD to Thru-Hole Adapter, SSI2140 to SSM2040
PCB for converting SMD SSOP-20 SSI2140 chips to through hole DIP-18 SSM2040 chips. This adapter makes the SSI2140 pin for pin compatible with the original IC. Solder the device to this PCB then attach pin headers (sold seperately) to connect to through hole footprints on PCBs, breadboards and IC sockets.
$0.99
Knob - Chicken Head, mini, high-quality, brass insert, Set Screw
Colors Available:
High quality miniature chicken head knob with set screw for smaller applications. 0.90" long nose to tail. Mini Davies 2300 clone.
Starting at $0.99
Knob - Plastic, Set Screw, Skirted w/ Top Line, 0.87" Diameter
Black plastic control knob with set screw and brass insert. The grip has a thick vertical knurl with an indicator line on a raised top. This skirted knob is a close match to the knobs used on some late 1960s Fuzz Face® pedals as well as the Eric Johnson signature model. Fits ¼” (6.35mm) pot shafts.
  • Height: 0.77 in.
  • Diameter: 0.87 in.
  • Fits ¼" shaft with set screw
$0.99
¼" Jack - Stereo, Panel Mount, Low Profile
Panel mount stereo jacks with a very low profile. These jacks have a smaller footprint than the Lumberg jacks that are popular for tight pedal builds. They are perfect for top mounted jack pedal builds and any other project where space is limited. Mounting nut and flat washer included.
  • M9*0.75 Bushing Thread
  • Stereo 3-Conductor (TRS)
  • Open Circuit (does not have switched terminal).
  • Includes nut and washer.
$0.99
Potentiometer - Alpha, Audio, Solid Shaft, 16mm
16mm solid shaft audio potentiometers. These pots are great for any project. The smaller size is useful for builds with limited panel space such as guitar pedals, synthesizer modules, and adding modifications to equipment. Washer and nut included.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Bushing Length: 6.5mm (0.256")
  • Shaft Diameter: 6.35mm ( 0.250")
  • Taper: Audio (Log)
Starting at $0.99
Potentiometer - Alpha, W-Taper, Solid Shaft, 16mm, 20kΩ
20kΩ W taper 16mm solid shaft potentiometers with solder lug terminals. These pots are great for any project. The smaller size is useful for builds with limited panel space such as guitar pedals, synthesizer modules, and adding modifications to equipment. Washer and nut included.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Bushing Length: 6.5mm (0.256")
  • Shaft Diameter: 6.35mm ( 0.250")
  • Taper: W
$0.99
PCB - SMD to Thru-Hole Adapter, SOIC-28 to DIP-28 Wide
PCB for converting SMD SOIC-28-Wide packages to through hole DIP-28 footprints with 0.6" width (wide DIP). Solder the device to this PCB then attach pin headers (sold seperately) to connect to through hole footprints on PCBs, breadboards and IC sockets.
$0.99
Nut - Switchcraft, Knurled Nut, 3/8”-32
Genuine Switchcraft ⅜” knurled nut commonly used on ¼” jacks. This nickel plated knurled nut has a ⅜”-32 threading and offers a clean look on builds using these nuts. The ⅜”-32 threading fits other hardware with matching threading such as CTS potentiometers.
$0.99
Potentiometer - Alpha, Audio, Knurled Shaft, Right Angle, 16mm
Audio taper 16mm potentiometers with a T18 knurled shaft. These pots have right angle PCB mount terminals. The smaller size is useful for builds with limited panel space such as guitar pedals, synthesizer modules, and adding modifications to equipment. Washer and nut included.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Lead Depth from Panel: 10.7 mm + 5 mm (0.421” + 0.197”)
  • Lead Distance from shaft center: 16 mm (0.630”)
  • Lead Thickness: 0.5 mm (0.020”)
$0.99
Capacitor - 50V, 0.047µF, Used In Pedal Kits
Polyester Film Capacitor used in MOD® Pedal Kits. Rated at 0.047µF 50V. Tolerance: 10%. Operating temperature: -40 C to +85 C
$1.00
Transistor - 2N1711, Silicon, TO-39 case, NPN
The 2N1711 is a silicon planar epitaxial NPN transistor in a TO-39 metal case. It is intended for use in high performance amplifiers, oscillators and switching circuits. The 2N1711 is a great choice for amplifiers where low noise is an important factor.
$1.00
LED Bezel - for 3mm LED, used for mounting
Holder for mounting LEDs to panels.
$1.05
LED Bezel - with included 3mm Red LED
Bezel Assembly with 3mm Red LED. Required hole size: 0.25". Washer and hex nut included. LED Specifications: Color Red Lens Diam 3 mm Overall Height 5.4 mm Lens Type Diffused Luminous Intensity Min. 3.6 mCd @If (test) 10 mA Wavelngth (Peak) 568 nm V(FM) Max.(V) Forward Voltage 2.7 V @I(F) (test) 10 mA Min Operating Temp -30° Max Operating Temp 80°
$1.05
Diode - 1N60, Germanium, Striped Clear Glass, DO-7
1N60 point-contact germanium diodes in a DO-7 package with striped clear glass. 1N60 diodes were used in many vintage electronics and also make for great clipping diodes in stompbox effects pedals.
$1.05
Op-Amp - NJM4580D, Dual, Audio, DIP 8
The NJM4580D (JRC4580) is a dual opamp popularly used in many distortion pedals. This chip is a dual operational amplifier, specially designed for improving the tone control, which is most suitable for the audio application. Featuring noiseless, higher gain bandwidth, high output current and low distortion ratio, it is most suitable not only for acoustic electronic parts of audio pre-amp and active filter, but also for the industrial measurement tools. It is also suitable for the headphone amp at higher output current, and furthermore, it can be applied for the handy type set operational amplifier of general purpose in application of low voltage single supply type which is properly biased of the low voltage source. Features:
  • Operating Voltage ±2V~±18V
  • Low Input Noise Voltage 0.8µVrms typ.
$1.09
Capacitor - 50 V, 0.1 µF, Polyester
Polyester Film Capacitor used in MOD® Pedal Kits. Rated at 0.1µF 50V. Tolerance: 10%. Operating temperature: -40 C to +85 C
$1.10
PCB - SMD to Thru-Hole Adapter, QFN-32 to DIP-32
PCB for converting SMD QFN-32 packages to through hole DIP-32 footprints. Solder the device to this PCB then attach pin headers (sold seperately) to connect to through hole footprints on PCBs, breadboards and IC sockets.
$1.10
CMOS - CD4077, Quad XNOR (Exclusive-NOR) Gates, 14-Pin DIP
The CD4077B contains four independent Exclusive-NOR gates. The CD4077B provides the system designer with a means for direct implementation of the Exclusive-NOR functions, respectively. Features:
  • High-Voltage Types (20V Rating)
  • CD4077B - Quad Exclusive-NOR Gate
  • Medium Speed Operation
  • tPHL, tPLH = 65ns (Typ) at VDD = 10V, CL = 50pF
  • 100% Tested for Quiescent Current at 20V
  • Standardized Symmetrical Output Characteristics
  • 5V, 10V and 15V Parametric Ratings
  • Maximum Input Current of 1µA at 18V Over Full Package Temperature Range
  • 100nA at 18V and 25°C
  • Noise Margin (Over Full Package Temperature Range)
  • 1V at VDD = 5V, 2V at VDD = 10V, 2.5V at VDD = 15V
  • Meets All Requirements of JEDEC Standard No.
$1.15
3.5mm Plug - Rean, cable mount, nickel-plated brass
High quality 3.5mm (1/8") plug. Features nickel plated brass contacts, with a nickel plated zinc shell. This plug uses a crimp strain relief for use with 4 mm O.D cables.
Starting at $1.15
CMOS - CD4024, 7-Stage Ripple-Carry Binary Counter/Divider, 14-Pin DIP
CD4024B is a 7-stage ripple-carry binary counter. All counter stages are master-slave flip-flops. The state of a counter advances one count on the negative transition of each input pulse; a high level on the RESET line resets the counter to its all zeros state. Schmitt trigger action on the input-pulse line permits unlimited rise and fall times.
$1.15
Knob - Plastic, Set Screw, MXR Style, 0.755" Diameter
Mid-sized black plastic control knob with set screw and brass insert. This knob is similar in appearance to the classic MXR knobs but with a smaller diameter. It features a fluted grip with an indicator line along with a small skirt with a dot indicator. Fits ¼” (6.35mm) pot shafts.
$1.15
Op-Amp - NJM5532, Dual, Low-Noise, 8-Pin DIP
The NJM5532 is a high performance dual low noise operational amplifier. Compared to the standard dual operational amplifiers, such as the NJM1458, it shows better noise performance, improved output drive capability, and considerably higher small-signal and power bandwidths. it is compensated internally for voltage follower circuit. This makes the device especially suitable for application in high quality and professional audio equipment, instrumentation, control circuits, and telephone channel amplifiers Features:
  • Operating Voltage = ±3V~±22V
  • Small Signal Bandwidth = 10MHz typ.
  • Output Drive Capability = 600Ω,10Vrms typ.
  • Input Noise Voltage = 5nV/√Hz typ.
  • Power Bandwidth = 140kHz typ.
  • Slew Rate = 8V/µs typ.
  • Bipolar Technology
$1.15
Potentiometer - Alpha, Linear, Solid Shaft, PC Lead, 16mm
Alpha Mini Pots with solid shaft and short PC mount terminals.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Lead Depth from Panel: 3.8 mm (0.150”)
  • Lead Distance from shaft center: 12.5 mm + 3.5 mm (0.492” + 0.138”)
  • Lead Thickness: 0.5 mm (0.020”)
$1.15