Data Sheet NTE253 (NPN) & NTE254 (PNP) Silicon Complementary Transistors Darlington Power Amplifier Description: The NTE253 (NPN) and NTE254 (PNP) are silicon complementary Darlington transistors in a TO126 type case designed for general-purpose amplifier and low-speed switching applications. Features: High DC Current Gain: hFE = 2000 (Typ) @ IC = 2A Monolithic Construction with Built-In Base–Emitter Resistors to Limit Leakage Multiplication Replaces: ECG254, SK3997 Additional Model #'s 76-NTE254 NTE254 UPC: 768249119012