File:TO-18, 3 leads, 2N2646 (shaded).svg - Wikipedia
2N2646 Transistor Pinout, Features, Circuit & Datasheet
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2N2646 datasheet - Unijunction (UJT) Transistor, 2 A, 1 #181;A, 6 mA, TO-18,
2N2646 Transistor Datasheet pdf - Unijunction Transistor. Equivalent, Catalog
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Unijunction Transistor and UJT Relaxation Oscillator
2N2646 Transistor Pinout, Features, Circuit & Datasheet
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2N2646 Uni Junction Transistor Datasheet : Working & Its Applications
