SK3156

High-voltage NPN silicon Darlington power transistor featuring an integrated base-emitter resistor network for high-gain switching applications. | TO-220 Plastic Package | Legacy automotive ignition modules, industrial solenoid drivers, high-power switching regulators. | SK3156 | NTE263 | SK3156 | 2N6052, TIP122, 2SD686, BD649, MJE6043 | Heavy-Duty Relay Interface Switch: Bridges a standard 5V digital microcontroller pin through a 1kOHM base resistor to safely ground a bulky 24V industrial electromechanical coil without overheating. | Chrysler and General Motors 1980s Electronic Ignition Core Assemblies: This high-gain Darlington component was heavily selected by tier-1 automotive suppliers to handle high-inductive voltage flyback spikes when collapsing ignition coil fields.