Data Sheet NTE256 Silicon NPN Transistor Darlington w/Damper Diode Description: The NTE256 is a silicon epitaxial planer NPN Darlington transistor in a TO218 type package with an integrated Base-Emitter speed–up diode. This device is particularly suitable for use as an output stage in high power, fast switching applications. Replaces: ECG256 Additional Model #'s 76-NTE256 NTE256 UPC: 768249119210