2sc4208.pdf datasheet:

Transistor2SC4208, 2SC4208ASilicon NPN epitaxial planer typeFor low-frequency output amplification and driver amplificationUnit: mmComplementary to 2SA1619 and 2SA1619A5.0 0.2 4.0 0.2FeaturesLow collector to emitter saturation voltage VCE(sat).Output of 1W is obtained with a complementary pair with2SA1619 and 2SA1619A.Allowing supply with the radial taping.0.7 0.1Absolute Maximum Ratings (Ta=25C)Parameter Symbol Ratings Unit+0.15 +0.15Collector to 2SC4208 300.45 0.1 0.45 0.1VCBO Vbase voltage 2SC4208A 601.27 1.27Collector to 2SC4208 25VCEO Vemitter voltage 2SC4208A 501:Emitter1 2 3Emitter to base voltage VEBO 7 V 2:Collector2.54 0.153:BasePeak collector current ICP 1 ATO92NL PackageCollector current IC 500 mACollector power dissipation PC 1 WJunction temperature Tj 150 CStorage temperature Tstg