# 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.
Diode - Silicon Rectifier, 3A, 400V, 1N5404
A semiconductor device which passes current in the forward direction(from anode to cathode), and blocks current in the opposite direction.
$0.35 Capacitor - 100V, Polyester Film Inductive Package of 5 Polyester film dielectric, aluminum foil electrode, copperply leads and epoxy resin coating in inductive type. • Small size, light weight and low cost • Dissipation factor is small because the leads are directly welded to electrodes • Epoxy resin vacuum-dipped enhances the mechanical strength, humidity resistance • 100 volt rating • Operating temperature range: -40°C to +85°C. • Package of 5 Starting at$0.35
Op-Amp - LF353, Dual, Wide-Bandwidth, JFET Input, 8-Pin DIP
Dual wide-bandwidth LF353 opamps in an 8-pin DIP package. The LF353 offers a high input impedance and 3MHz bandwidth.
This LF353 device is a low-cost, high-speed, JFET input operational amplifier with very low input offset voltage. It requires low supply current yet maintains a large gain-bandwidth product and a fast slew rate. In addition, the matched high-voltage JFET input provides very low input bias and offset currents.
$0.34 Capacitor - 2000V, Ceramic Disc, ± 10% Ceramic disc capacitors rated for up to 2kV, ± 10% tolerance. Starting at$0.30
Resistors - ⅛ Watt, Metal Film, 1% tolerance
Package of 5
Metal Film resistors consist of a resistive element of an extremely thin layer of metal alloy vacuum deposited on a substrate. Precise and quiet. These 1/8W resistors have a very small body and are great for tight builds.
$0.29 Transistor - 2N3906, TO-92 case, PNP General purpose low-power PNP bipolar junction transistor, used frequently in hobbyist electronic projects. For the NPN 2N3904 see P-Q2N3904$0.28
Op-Amp - TL062, Dual, Low-Power, JFET Input, 8-Pin DIP
Dual low power opamps in an 8-pin DIP package. The TL062 offers a high input impedance and 1MHz bandwidth.
$0.28 Diode - BAT41, Schottky, Small Signal The BAT41 is a schottky diode used in many DIY projects. General purpose metal to silicon diode featuring very low turn-on voltage and fast switching. This device has integrated protection against excessive voltage such as electrostatic discharges.$0.28
Transistor - 2N5087, Bipolar, General Purpose, PNP
2N5087 PNP Bipolar Junction Transistor in TO-92 package. For the NPN 2N5087 see P-Q2N5088
$0.28 Capacitor - 500V, Ceramic Disc, ± 10% Radial ceramic capacitor. • Voltage rating: 500VDC • Tolerance: ± 10% Starting at$0.25
Capacitor - 0.002uF, 1000V, Ceramic Disc, ± 10%
0.002uF ceramic disc capacitor rated for up to 1kV, ± 10% tolerance.
$0.25 Op-Amp - TL082, Dual, Wide-Bandwidth, JFET Input, 8-Pin DIP Dual wide-bandwidth TL082 opamps in an 8-pin DIP package. The TL082 offers a high input impedance and 4MHz bandwidth.$0.21
Diode - Fast Recovery, 1A, 600V, 1N4937
A semiconductor device that, above a certain reverse voltage(the zener value) has a sudden rise in current. If forward biased, the diode is an ordinary rectifier. When reverse biased, it exhibits a sharp break in its current-voltage graph. Voltage across the diode remains essentially constant for any further increase of reverse current.
$0.20 Diode - small signal fast switching, 1N4148A A semiconductor device which passes current in the forward direction(from anode to cathode), and blocks current in the opposite direction. For extreme fast switches.$0.20
Diode - Zener, 1W, 5% Tolerance
A semiconductor device that, above a certain reverse voltage(the zener value) has a sudden rise in current. If forward biased, the diode is an ordinary rectifier. When reverse biased, it exhibits a sharp break in its current-voltage graph. Voltage across the diode remains essentially constant for any further increase of reverse current.
Starting at $0.20 Capacitor - 100V, Ceramic Disc, ± 10% 100 V ceramic disc capacitors. ± 10% tolerance. Starting at$0.20
Transistor - 2N5088, Bipolar, General Purpose
2N5088 NPN Bipolar Junction Transistor in TO-92 package
$0.20 Transistor - BC550 B, TO-92 case, NPN Low noise transistor for audio frequency amplifier applications.$0.19
Diode - 1N914, Small Signal
The 1N914 is a small signal diode similar to the 1N4148 and is common in many older electronics. The 1N914 is general purpose and can be used in a multitude of different applications.
$0.18 Op-Amp - LM324, Quad, Low-Power, 14-Pin DIP Quad low-power opamps in an 14-pin DIP package. The LM324 offers a 1MHz bandwidth and can be powered from a single supply.$0.18
Transistor - 2N3904, TO-92 case, NPN
General purpose low-power NPN bipolar junction transistor, used frequently in hobbyist electronic projects.
$0.18 Diode - General purpose rectifier, 1A, 1N400X A semiconductor device which passes current in the forward direction (from anode to cathode), and blocks current in the opposite direction. Starting at$0.15
Transistor - MPSA18, Darlington 200mA 45V NPN
NPN Darlington transistor (TO-92 package) - designed for high gain, low noise general purpose amplifier applications.
• Max collector to emitter voltage = 45 V
• Max collector to base voltage = 45 V
• Max emitter to base voltage = 6.5 V
• Max collector current = 0.2 A (continuous)
$0.15 Diode - 1N5817, Schottky, High Switching Speed Schottky diode with low forward voltage drop and high switching speeds.$0.15
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