Ordering number : EN3094B 2SA1708/2SC4488 Bipolar Transistor 2SA1708 / 2SC4488 Electrical Characteristics at Ta=25C Ratings Parameter Symbol Conditions Unit min typ max Collector Cutoff Current I V =(--)100V, I =0A (--)100 nA CBO CB E Emitter Cutoff Current I V =(--)4V, I =0A (--)100 nA EBO EB C DC Current Gain h V =(--)5V, I =(--)100mA 140* 400* FE CE C Gain-Bandwidth Product f V =(--)10V, I =(--)100mA 120 MHz T CE C Output Capacitance Cob V =(--)10V, f=1MHz (13)8.5 pF CB Collector-to-Emitter Saturation Voltage V (sat) (--0.2)0.1 (--0.6)0.4 V CE I =(--)400mA, I =(--)40mA C B Base-to-Emitter Saturation Voltage V (sat) (--)0.85 (--)1.2 V BE Collector-to-Base Breakdown Voltage V I =(--)10A, I =0A (--)120 V (BR)CBO C E Collector-to-Emitter Breakdown Voltage V I =(--)1mA, R = (--)100 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 (80)80 ns on Storage Time t See speci ed Test Circuit. (700)850 ns stg Fall Time t (40)50 ns f * : The 2SA1708/2SC4488 are classi ed by 100mA h as follows : FE Rank S T h 140 to 280 200 to 400 FE Switching Time Test Circuit 2SA1708 2SC4488 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 = --50V V = --5V V =50V BE CC BE CC I =10I = --10I = --400mA I =10I = --10I =400mA C B1 B2 C B1 B2 Ordering Information Device Package Shipping memo 2SA1708S-AN NMP(Taping) 2,500pcs./box 2SA1708T-AN NMP(Taping) 2,500pcs./box Pb Free 2SC4488S-AN NMP(Taping) 2,500pcs./box 2SC4488T-AN NMP(Taping) 2,500pcs./box No.3094-2/8