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2N2646 Unijunction Transistor
TO−18 Package
Description: The 2N2646 is designed for use in pulse and timing circuits, sensing circuits and thyristor trigger circuits.
Features: D Low Peak Point Current: 5A (Max)
D Low Emitter Reverse Current: .005A (Typ) D Passivated Surface for Reliability & Uniformity
Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW RMS Emitter Current, IE(RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Peak Pulse Emitter Current (Note 2), iE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .