Up for sale here is this set of 20 brand new Onsemi transistors-- 10 (ten) KSA1220AYS and 10 (ten) KSC2690AYS transistors. These are genuine Onsemi transistors, and are invaluable for vintage electronics restoration. They are great subs/replacements for a number of vintage transistors that can get noisy over the years.

KSA1220AYS can replace:
2SA327
2SA684
2SA720
2SA773
2SA777
2SA844
2SA850
2SA912
2SA1220
2SB527

KSC2690AYS can replace:
2SC1124
2SC1212
2SC1318
2SC1384
2SC1904
2SC2071
2SD357

Many vintage Pioneer, Sansui, Marantz, and other brand receivers and amplifiers will develop transistor issues over the years, and these brand new transistors are a great way to fix that. Please see my pictures for details.

US shipping and handling is $5, and international is $18, no matter what quantity you buy. All of my small parts are set up for combined shipping--just use the "add to cart" feature and then check out at once, and the shipping will be automatically discounted.

Looking for more parts? I have power switches, feet, pushbuttons, top case screws, bottom screws, faceplate screws, white LED fuse lamps, blue LED fuse lamps, 6.3v bi-pin bulbs, 8v bi-pin bulbs, 12v bi-pin bulbs, wired 8v 60ma bulbs, new power cords, new main capacitors for the Marantz 1060/2230, wired Pioneer speaker plug replacements, new 630v yellow film capacitors at 30 different values, a large variety of transistors for vintage stereo repair, new 250v yellow film crossover capacitors, and more. Just use "add to cart" on everything you want and then check out for combined shipping.