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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.

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P-QBC550Transistor - BC550 B, TO-92 case, NPN

Low noise transistor for audio frequency amplifier applications.


$0.19
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P-Q2N5089Transistor - 2N5089, TO-92 case, NPN

General purpose low level, low noise amplifier. Silicon NPN transistor.


$0.39
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P-Q2N3904Transistor - 2N3904, TO-92 case, NPN

General purpose low-power NPN bipolar junction transistor, used frequently in hobbyist electronic projects.


$0.18
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P-QMPSA13Transistor - MPSA13, Darlington 500mA 30V NPN
NPN Darlington transistor (TO-92 package) - designed for applications requiring extremely high current gain at collector currents to 1.0A.
  • Max collector to emitter voltage = 30 V
  • Max collector to base voltage = 30 V
  • Max emitter to base voltage = 10 V
  • Max collector current = 1.2 A (continuous)
$0.49
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P-QPF5102Transistor - JFET N-Ch Transistor Lo Freq / Lo Noise, PF5102

PF5102 N-Channel Switch (TO-92 package) - designed for low level analog switching, sample and hold circuits and chopper stabilized amplifiers.



  • Max drain to gate voltage = 40 V
  • Max gate to source voltage = -40 V
  • Max forward gate current = 50 m

$1.55
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P-Q2N5088Transistor - 2N5088, Bipolar, General Purpose

2N5088 NPN Bipolar Junction Transistor in TO-92 package


$0.20
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