Bipolar Si & Unijunction
Transistor MU10 Unijunction
The unijunction demos in the Forrest Mims Book spec a 2N4891, which is both hard-to-find and expensi..
$1.45 Ex Tax: $1.45
Transistor NEC 2SC945A
These are the "Q" gain bucket, 135-270. Here is the datasheet..
$0.95 Ex Tax: $0.95
Transistor NPN "Dot" 2N3563 House #
Gold-lead NOS Fairchild, house-numbered S1227. Gains 25-50, great for silicon Fuzz Faces or Rangemas..
$1.00 Ex Tax: $1.00
Transistor NPN "Dot" 2N3564 House #
NOS Fairchild, house-numbered 8016-1. Gains 25-50, great for silicon Fuzz Faces or Rangemasters...
$0.95 Ex Tax: $0.95
Transistor NPN "Dot" SGS BC207B
Gold-lead NOS by Italian maker SGS. NPN, gain range 100-300...
$1.15 Ex Tax: $1.15
Transistor NPN 306-022 "Dot"
Unlabeled NOS, most-likely made by Fairchild or National. This is "Muff Stuff"! Hfe high 200s to low..
$1.45 Ex Tax: $1.45
Transistor NPN CS2924 "Dot"
Made by Continental Device Corp., then a division of Teledyne. Hfe range 60s to low 100s...
$1.50 Ex Tax: $1.50
Transistor NPN CS3710 "Dot"
Made by Continental Device Corp., then a division of Teledyne. Average Hfe 250, fine choice for a Bi..
$1.75 Ex Tax: $1.75
Transistor NPN EN2222A "Dot"
Unlabeled NOS, most-likely made by Fairchild or National. The gain profile is like a relatively low-..
$1.25 Ex Tax: $1.25
Transistor NPN High-Gain Silicon Dots, Hfe 200-700
We don't know the maker. Not numbered, and not a very consistent lot, as was often the case in the 7..
$1.15 Ex Tax: $1.15
Transistor NPN Unbranded "Dot"
Definitely NOS, most-likely made by Fairchild. Hfe 40 to 100. Try them in silicon Fuzz Faces or Rang..
$1.00 Ex Tax: $1.00
Transistor Pair - Fuzz Face NPN "Flat Hat"
Two '60s-vintage, matched NPN devices that you won't find anywhere else. Guaranteed sweet fuzz, and ..
$22.95 Ex Tax: $22.95
Transistor PNP "Dot" SGS BC116A
Gold-lead NOS by Italian maker SGS. PNP, gain range 75-200. Some outliers run much higher...
$1.15 Ex Tax: $1.15
Transistor PNP 2N3640
NOS Carter Semiconductor, "small dot" package, Hfe 60 to 110.SURPLUS PURCHASE. When they are gone, ..
$0.90 Ex Tax: $0.90
Transistor PNP 2N4249 "Dot"
Made by Continental Device Corp., then a division of Teledyne. Hfe 50 to low 200s...
$1.45 Ex Tax: $1.45
Transistor Samsung 2SC815Y
Real, not re-marked fakes, as we got them in the original packaging. The "Y" gain bucket is 120 to 2..
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Transistor SE1002 Fairchild
These are all guaranteed to hit Big Muff territory: Minimum Hfe 225 to high 300s. I scored a large l..
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Transistor SE4010 Fairchild
Vintage device for Big Muff and similar Clones. Epoxy "dot" package, guaranteed Hfe minimum 140...
$1.75 Ex Tax: $1.75
Transistor SE4021 Fairchild
Unusually high-gain vintage device for single-transistor boosts and the Big Muff. Epoxy "dot" packag..
$2.25 Ex Tax: $2.25