The 2SC1124 (often referred to simply as C1124) is a specialized NPN silicon power transistor known for its high-voltage capability and use in demanding audio and switching environments.
Why it is better: The TIP41C is nearly indestructible compared to the C1124. It is ideal for power supply pass transistors and audio output stages. Note: The pinout is different (C1124 is B-C-E; TIP41C is B-C-E for some manufacturers, but check your datasheet). c1124 transistor datasheet better
If you are trying to match specs, here are the critical parameters: The 2SC1124 (often referred to simply as C1124
Most datasheets give you raw numbers. Here is what they actually mean: Higher current handling (Ic > 1