The D44H11 is an NPN bipolar transistor manufactured by STMicroelectronics. It features a maximum collector-emitter voltage rating of 80V, a collector current rating of up to 10A, a power dissipation of up to 50W, a maximum collector-base voltage of 80V and an integrated heatsink with a TO220AB package. This device can be used for logic switching applications such as current sourcing, current sinking, logic inverter and to drive small relays or other loads. Additionally, it is suitable for use in low voltage/low power analog and digital circuits.