Operating and Storage Junction Temperature Range: -55 to +150 °C
Package: TO-220
Pinout of 2SC1827
Here is an image showing the pin diagram of this transistor.
Marking
Sometimes the "2S" prefix is not marked on the package - the 2SC1827 might only be marked "C1827".
Complementary PNP transistor
The complementary PNP transistor to the 2SC1827 is the 2SA769.
SMD Version of 2SC1827 transistor
The BDP951 (SOT-223) is the SMD version of the 2SC1827 transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.