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2N3904 NPN Transistor
$0.95
Description: This general purpose transistor is a bi-polar junction transistor (BJT for short) and it is an NPN type. These general purpose transistors are great for both learning about...
2N3906 PNP Transistor
$0.95
Description:   This general purpose transistor is a bi-polar junction transistor (BJT for short) and it is an PNP type. These general purpose transistors are great for both learning...
Phototransistor (880nm QSD123)
$1.49
Description: The QSD123 is a phototransistor encapsulated in an infrared transparent, black T-1 3/4 package. It has a peak wavelength of 880nm matching the QED123 emitter LED perfectly. The...