The 1PCS TPA3125D2 TPA3125D2N DIP20 is a twochannel classD audio power amplifier designed for compact and efficient stereo amplification in a variety of electronic projects. Available in DIP20 package formats (TPA3125D2 and TPA3125D2N), this device provides a practical solution for small to midsize audio applications requiring solid performance with minimal heat and board space. Key benefits Efficient twochannel amplification: classD design delivers audio output with improved power efficiency and reduced heat compared to traditional classAB amplifiers, enabling smaller heat sinks and compact enclosures. Flexible packaging for easy integration: DIP20 form factor supports straightforward hand or surfacemount PC board assembly, suitable for hobbyist builds and professional prototypes alike. Builtin protection for reliability: incorporates protective features to safeguard the device and surrounding circuitry during fault conditions, contributing to longer system life. Broad compatibility with common audio sources: designed to work with typical audio signals from microcontrollers, DACs, or other linelevel sources, making it suitable for a wide range of audio projects. Minimal external components required: intended to simplify circuit design while still enabling effective stereo amplification for compact applications. Key attributes Model variants: TPA3125D2 and TPA3125D2N, both in DIP20 package format, enabling easy board integration. Functionality: twochannel classD audio power amplifier suitable for stereo audio applications. Package and form: DIP20 package, enabling straightforward installation on standard PCBs. Performance focus: efficiency digital switching amplifier designed to deliver strong audio output with reduced thermal load. Compatibility: intended for use with typical audio sources and output stages in consumer electronics, embedded systems, and small speaker projects. Applications and use cases DIY stereo speaker systems: ideal for compact bookshelf speakers or portable audio enclosures that require efficient amplification with minimal heat. Embedded audio projects: suitable for hobbyist or prototype devices where space is limited and a reliable twochannel amplifier is needed. Smallformfactor audio devices: can be integrated into compact AV products, hobbyist synths, or compact multimedia players requiring quality stereo amplification. Notes on usage Ensure proper heatsinking and airflow considerations appropriate to your enclosure and power expectations. Follow TI's recommended wiring practices and app notes for input conditioning, supply decoupling, and layout to maximize performance and minimize noise. This listing is for 1 piece of the TPA3125D2 or TPA3125D2N in DIP20 format. It provides a reliable, twochannel classD solution for efficient stereo amplification in compact configurations, with the robustness and intent of TI's TPA3125D2 family.