NTE2689 Silicon NPN Transistor Audio Power Amp SOT−23 Type Package Description: The NTE2689 is a silicon NPN transistor in an SOT−23 surface mount type package designed for use in audio power amplifier applications. Features: D High DC Current Gain Absolute Maximum Ratings: Collector−Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Collector−Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Emitter−Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800mA Collector Dissipation (Note 1), PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350mW Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +1505C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −555 to +1505C Note 1. Package mounted on 99.5% alumina 10 x 8 x 0.6mm. Electrical Characteristics: (TA = +255C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Collector−Base Breakdown Voltage BVCBO IC = 1005 A, IE = 0 35 − − V Collector−Emitter Breakdown Voltage BVCEO IC = 1mA, IB = 0 30 − − V Emitter−Base Breakdown Voltage BVEBO IE = 105 A, IC = 0 5 − − V Collector Cut−Off Current ICBO VCB = 35V, IE = 0 − − 0.1 5A Emitter Cut−Off Current IEBO VEB = 5V, IC = 0 − − 0.1 5A DC Current Gain hFE VCE = 1V, IC = 100mA 160 − 320 − − 0.5 V VCE = 5V, IC = 10mA − 120 − MHz VCB = 10V, IE = 0, f = 1MHz − 13 − pF Collector−Emitter Saturation Voltage Transition Frequency Collector Output Capacitance VCE(sat) IC = 500mA, IB = 50mA fT Cob .016 (0.48) C B .098 (2.5) Max E .037 (0.95) .074 (1.9) .118 (3.0) Max .051 (1.3) .043 (1.1) .007 (0.2)