The TDA2003 with TO-220B-5L Audio Power OpAmps ROHS manufactured by HGSEMI is a low-cost, high-performance audio power Amplifier that is specifically designed to be used in mobile and other digital devices. It is a monolithic integrated circuit in a TO-220B-5L package, and contains a self-oscillating amplifier with output protection diodes. Its main features include a quiescent current of 25mA or less, a standby current of less than 1mA, a supply voltage of 4-18V, an output power of 10W per channel at 8 Ohms and 15W per channel at 4 Ohms, a 6dB gain, a 0.3% distortion rate and a 3V low-dropout voltage. The TDA2003 also offers good thermal protection, over temperature protection and short circuit protection, making it the perfect choice for audio power amplification in mobile devices.