2sc6140.pdf datasheet:

2SC6140 TOSHIBA Transistor Silicon NPN Epitaxial Type 2SC6140 Audio Frequency Amplifier Applications : mm High collector voltage : VCEO = 160 V Small collector output capacitance : Cob = 12pF (typ.) High transition frequency : fT = 100MHz (typ.) Complementary to 2SA2220 Absolute Maximum Ratings (Ta = 25C) Characteristics Symbol Rating UnitCollector-base voltage VCBO 160 VCollector-emitter voltage VCEO 160 VEmitter-base voltage VEBO 6 V DC IC 1.5 ACollector current Pulse ICP 2.5A Base current IB 0.5 AJEDEC Collector power dissipation PC 1.8 WTj 150 C JEITA Junction temperature Tstg -55 to 150 C Storage temperature range TOSHIBA 2-10T1AWeight: 1.5 g (typ.) Note 1: Ensure that the channel temperature does not exceed 150C during use of the device. Note 2: Using continuously under heavy lo