2N4993 Silicon bilateral switch (SBS) in package T.
ETC
2N4993 - Silicon bilateral switch Transistor
2N4993 Silicon bilateral switch (SBS) in package TO-92 0.7max 0.45max 1 2.5 5.2 2 14.5 1.6 4.2 5.2 3 Pinouts: 1- Anode II, 2- Gate, 3- Anode I .
Motorola
2N4993 - SILICON BIDIRECTIONAL SWITCH TRANSISTOR
2N4993 (SILICON) A1 oO-..@. ...G.,+--oOA2 SILICON BIDIRECTIONAL SWITCH .. designed for full-wave triggering in Triac phase control circuits, half-wav.
