SMD Type Product specification 2SC4540 Features Low Saturation Voltage: VCE(sat) = 0.5V (max) (IC = 500mA) High Speed Switching Time: tstg = 0.4ìs(typ.) Small Flat Package PC = 1 to 2W (mounted on ceramic substrate) Complementary to 2SA1735 Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-Base Voltage VCBO 80 V Collector-Emitter Voltage VCEO 50 V Emitter-Base Voltage VEBO 6 V Collector Current IC 1 A Base Current IB 0.2 A PC 500 PC * 1000 Tj 150 Tstg -55 to +150 Collector Power Dissipation Jumction temperature Storage temperature Range mW 2 * Mounted on ceramic substrate (250 mm x 0.8 t) Electrical Characteristics Ta = 25 Max Unit Collector Cut-off Current Parameter ICBO VCB = 80V , IE = 0 0.1 ìA Emitter Cut-off Current IEBO VEB = 6V , IC = 0 0.1 ìA Collector-Emitter Breakdown Voltage DC Current Gain Symbol Testconditons V(BR)CEO IC = 10mA , IB = 0 hFE Min Typ 50 VCE = 2V , IC = 100mA 120 VCE = 2V , IC = 700mA 40 V 400 Collector-Emitter Saturation Voltage VCE(sat) IC = 500mA , IB = 25mA 0.5 V Base-Emitter Saturation Voltage VBE(sat) IC = 500mA , IB = 25mA 1.2 V Transition Frequency fT Collector Output Capacitance Cob Turn-On Time ton Storage Time Fall Time http://www.twtysemi.com tstg VCE = 2V , IC = 100mA 100 MHz VCB = 10V , IE = 0 , f = 1MHz 10 pF 0.1 See Test Circuit. tf [email protected] 0.4 ìs 0.1 4008-318-123 1 of 3 SMD Type Product specification 2SC4540 Test Circuit Marking Marking KC Electrical Characteristics Curves http://www.twtysemi.com [email protected] 4008-318-123 2 of 3 Transistors IC SMD Type Product specification 2SC4540 http://www.twtysemi.com [email protected] 4008-318-123 3 of 3