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This datasheet provides electrical parameters, package dimensions, and mechanical outline drawings for a family of NPN epoxy‑encapsulated transistors offered by Central Semiconductor. The document covers three main groups: switching devices, saturated‑switch devices, and low‑noise level amplifiers, each with multiple part numbers such as 2N5136, 2N5812, and 2N3391.
The tables list key ratings (collector current, voltage, power dissipation, transition frequency, etc.) and the mechanical drawings show lead spacing and case dimensions for various package styles (TO‑105, TO‑92, TO‑92P, etc.). The information is intended for designers selecting appropriate transistors for switching, amplification, or low‑noise applications.