FTD01N and FTD02P are a complementary pair. The FTD01N is an N-channel (NPN-type) IGBT, while the FTD02P is a P-channel (PNP-type) IGBT. They are designed to work together in a push-pull or H-bridge configuration.
: Comes in a TO-220F-5 (5-pin) package, which provides a compact footprint with integrated heat-sinking capabilities. Ftd02p Datasheet
In the FTD01N/FTD02P pair, it is generally understood that: FTD01N and FTD02P are a complementary pair
What is the board showing (e.g., completely dead, making a whistling noise, throwing error codes)? making a whistling noise
Download the latest revision. I've seen older FTD02P datasheets floating around with outdated thermal impedance models.