The Power Integrations LNK302PN is a through-hole integrated circuit that comes in a DIP-8B package. It is a non-isolated power supply controller that can handle a voltage breakdown of up to 700V. The LNK302PN has an internal switch and can operate in buck, buck-boost, or flyback topology. It has a duty cycle of 69% and a switching frequency of 66kHz. The controller also features fault protection mechanisms such as current limiting, open loop, over-temperature, and short circuit protection. With its popularity and common usage, the LNK302PN is a reliable choice for your power supply needs.