... Temperature (Tc), 70°CPower Factor, 0.98Crest Factor of Lamp Current (Alcf), <1.70U-OUT, <250VAcPreheating Time, 0.4-2. ... , A2Lumen Factor (u), 0.95Lifetime, 50000hProtective Function,1) Over input-current protection;2) Over input-voltage protection, auto recovery;3) Abnormal ... , Φ0.5~1.5mmCircuit diagramCircuit diagramInstallation:T5 T8 Lowest price for good quality slim type t8 electronic ballast