Philips has LED alternatives for T8 (TL-D) tubes and T5 (TL5) tubes. Both can be recognized by their diameter and socket. T8 tubes have a diameter of 28mm and a G13 socket, with pins which are 13mm apart. TL5 lamps have a diameter of 16mm and a G5 socket, of which the pins are 5mm apart.
Philips also offer different outputs, for example CorePro, HO, UO and UE:
