OSRAM Power TOPLED Series of LEDs. The Power TOPLED series of SMT LEDs, from Osram Opto Semiconductors, have an enhanced internal heat distribution which gives the devices a higher current. As a powerful member of the TOPLED family, the Power TOPLED LED can handle a maximum forward current of up to 70 mA and an ambient temperature of up to 100°C. Ideal applications for the Power TOPLED series include: display backlighting, indoor displays, signal and symbol illumination, automotive lighting, marker lights or light guide coupling.. Power TOPLED package: PLCC-4 (3.4 x 3.0 x 2.1 mm) Viewing angle 120°