... -2.0s T5 electronic ballast power factor 0.98 ISO9001/CE/EMC/ROHS/TUV/ERP Technical Features: ... .5267T5,1*21W24W0.10A≤3W≥21W≤10.0%40-50KHz278*30*30.5267T5,1*28W32W0.14A≤4W≥ ... 28W≤10.0%40-50KHz278*30*30.5267T5,1*35W39W017A≤4W≥35W≤ ... .5304T5,2*21W48W0.21A≤6W≥42W≤10.0%40-50KHz315*30*30.5304T5,2*28W64W0.28A≤8W≥ ... 56W≤10.0%40-50KHz315*30*30.5304T5,2*35W78W0.34A≤8W≥ ...