2SA1620

The 2SA1620 is a audio frequency amplifier applicant. The absolute maximum ratings of the 2SA1620 are: (1)collector-base voltage: -80V; (2)collector-emitter voltage: -80V; (3)emitter-base voltage: -5V; (4)collector current: -300mA; (5)base current: -60mA; (6)collector power dissipation: 200mW; (7)junction temperature: 150; (8)storge temperature range: -55~150.

The following is about the electrical characteristics of 2SA1620: (1)collector cut-off current: -0.1A max at VCB = -50V, IE = 0; (2)emitter cut-off current:  -0.1A max at VCB = -5V, IC = 0; (3)collector-emitter breakdown voltage: -80V min at IC = -5mA, IB = 0; (4)DC current gain: 70 min and 240 max at VCE = -2V, IC = -50mA; (5)collector-emitter saturation voltage: -0.4V max at IC = -200mA, IB = -20mA; (6)base-emitter voltage: -0.55V min and -0.8V max at VCE = -2V, IC = -5mA; (7)transition frequency: 70MHz min and 100MHz typical at VCE = -10V, IC = -10mA; (8)collector output capacitance: 14pF typical at VCB = -10V, IE = 0, f = 1MHz.