If you’ve been repairing CRT monitors, analog oscilloscopes, or vintage Japanese audio gear, you’ve likely run into the 2SC1124 (often labeled just C1124). Finding a clean, readable datasheet is easy. Understanding it—and finding a modern replacement—is the hard part.
The wrong way: Buy "C1124" from eBay (90% chance it is a relabeled 2N2222 in a TO-220 case). c1124 transistor datasheet better
The C1124 transistor offers several features and benefits that make it a popular choice among electronics enthusiasts: Beyond the Basics: A Better Look at the
C1124 Transistor Datasheet