2N4990 Silicon unilateral switch (SUS) in package TO-92 0.45max 0.7max 1 5.2 1.6 2 2.5 14.5 5.2 3 4.2 Pinouts: 1- Cathode, 2- Gate, 3- Anode Ratings Symbol Vrrm IT(rms) Igm IT(sm) P Parameter, units Limits Peak reverse voltage, V DC forward anode current, mA DC gate current, mA Peak recurrent forward current, A, (1% duty cycle, 10µsec pulse width) Power dissipation, mW -30 175 5 1 300 Electrical Characteristics (TA=25°C) Symbol VS IS IH IR IB VF Parameter, unit, test conditions Switching voltage, V Switching current, µA Holding current, mA Revers current, µA, VR=-30V Forward current (off-state), µA, VF=5V On-State voltage, V, IF=175mA Planeta Electronic company Limits min max 7 9 200 0.75 0.1 0.1 1.5 JSC Planeta, 2/13, Fedorovsky Ruchei, Veliky Novgorod, 173004, Russia Ph/Fax: +7 (81622) 3-17-36, 3-32-86 E-mail: [email protected] http://www.novgorod.net/~planeta