2sc4061k 2sc3415s 2sc4015.pdf datasheet:

Chroma amplifier transistor (300V, 0.1A) 2SC4061K / 2SC3415S / 2SC4015 Features Dimensions (Unit : mm) 1) High breakdown voltage. (BVCEO=300V) 2SC4061K2) Low collector output capacitance. (Typ. 3pF at VCB=30V) 3) Ideal for chroma circuit. 1.62.8(1) EmitterAbsolute maximum ratings (Ta=25C) (2) Base(3) CollectorParameter Symbol Limits Unit0.3Min.ROHM : SMT3Each lead has same dimensionsCollector-base voltage VCBO 300 VEIAJ : SC-59Collector-emitter voltage VCEO 300 VEmitter-base voltage VEBO 5 VCollector current IC 100 mA2SC3415S4 22SC4061K 0.2Collector power 2SC3415S PC 0.3 Wdissipation2SC4015 1Junction temperatureTj 150 C0.45Storage temperatureTstg -55 to +150 C(1) Emitter Printed circuit board 1.7mm thick, collector plating 1cm2 or larger.(2) Collector2.5 0.5 0.455 (3) BaseROHM : S