Transistor Assortment Kit, High Dielectric Strength PNP Transistor Straight Plug for NonContact Switch to Control Current: Amazon.com: Industrial & Scientific
Amazon.com: PNP NPN Transistors Kit, Three Pins Silicon Power Transistor Assorted Assortment Box Set Range 2N3904-MPS2907, 10Value,Pack of 200, Ltvystore : Industrial & Scientific