Ordering number : EN3578A 2SA1770/2SC4614 Bipolar Transistor 2SA1770 / 2SC4614 Electrical Characteristics at Ta=25C Ratings Parameter Symbol Conditions Unit min typ max Collector Cutoff Current I V =(--)120V, I =0A (--)1 A CBO CB E Emitter Cutoff Current I V =(--)4V, I =0A (--)1 A EBO EB C h1V =(--)5V, I =(--)100mA 140* 400* FE CE C DC Current Gain h2V =(--)5V, I =(--)10mA 80 FE CE C Gain-Bandwidth Product f V =(--)10V, I =(--)50mA 120 MHz T CE C Output Capacitance Cob V =(--)10V, f=1MHz (22)14 pF CB Collector-to-Emitter Saturation Voltage V (sat) (--200)130 (--500)450 mV CE I =(--)500mA, I =(--)50mA C B Base-to-Emitter Saturation Voltage VBE(sat) (--)0.85 (--)1.2 V Collector-to-Base Breakdown Voltage V I =(--)10A, I =0A (--)180 V (BR)CBO C E Collector-to-Emitter Breakdown Voltage V I =(--)1mA, R = (--)160 V (BR)CEO C BE Emitter-to-Base Breakdown Voltage V I =(--)10A, I =0A (--)6 V (BR)EBO E C Turn-On Time t 40(40) ns on Storage Time t See speci ed Test Circuit. (0.7)1.2 s stg Fall Time t (40)80 ns f * : The 2SA1770/2SC4614 are classi ed by 100mA h as follows : FE Rank S T h 140 to 280 200 to 400 FE Switching Time Test Circuit 2SA1770 2SC4614 I I B1 B1 I I B2 B2 OUTPUT OUTPUT INPUT INPUT PW=20s PW=20s D.C.1% R D.C.1% R B B V V R R R R L L + + + + 50 50 100F 470F 100F 470F V =5V V = --100V V = --5V V =100V BE CC BE CC I =10I = --10I = --0.7A I =10I = --10I =0.7A C B1 B2 C B1 B2 Ordering Information Device Package Shipping memo 2SA1770S-AN NMP(Taping) 2,500pcs./box 2SA1770T-AN NMP(Taping) 2,500pcs./box Pb Free 2SC4614S-AN NMP(Taping) 2,500pcs./box 2SC4614T-AN NMP(Taping) 2,500pcs./box No.3578-2/7