Data Sheet NTE251 (NPN) & NTE252 (PNP) Silicon Complementary Transistors Darlington Power Amplifier Description: The NTE251 (NPN) and NTE252 (PNP) are silicon complementary Darlington transistors in a TO3 type case designed for general-purpose amplifier and low-frequency switching applications. Features: High DC Current Gain @ IC = 10A: hFE = 2400 Typ (NTE251) hFE = 4000 Typ (NTE252) Collector-Emitter Sustaining Voltage: VCEO(sus) = 100V Min Monolithic Construction with Built-In Base-Emitter Shunt Resistors Replaces: ECG252 Additional Model #'s 76-NTE252 NTE252 UPC: 768249118619