An electronics housing comprising a thermoplastic composition comprising: (a) 25 wt% to 40 wt% of a first polycarbonate that is a BPA polycarbonate having a weight average molecular weight of 20 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], preferably 25 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; (b) 25 wt% to 65wt% of a second polycarbonate that is a BPA polycarbonate having a weight average molecular weight of 20 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], preferably 20 kg/mol [ ± 1 kg/mol] to 24 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; provided the second polycarbonate is different from the first polycarbonate; (c) 5 wt% to 40 wt% of a first polysiloxane-polycarbonate copolymer that is a BPA polysiloxane-polycarbonate copolymer produced by interfacial polymerization, comprising 4 wt% to 8 wt% siloxane, having an average polydiorganosiloxane block length of 40 to 50 units, and having a weight average molecular weight of 21 kg/mol [ ± 1 kg/mol] to 25 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; (d) 1 wt% to 5 wt% of a second polysiloxane-polycarbonate copolymer that is a BPA polysiloxane-polycarbonate copolymer produced by interfacial polymerization, comprising 18 wt% to 22 wt% siloxane, having an average polydiorganosiloxane block length of 40 to 50 units, and having a weight average molecular weight of 28 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; (e) 0.2 wt% to 1 wt% of a flame retardant that is potassium diphenylsulfone sulfonate; (f) 0.1 wt% to 1 wt% of an anti-drip agent; wherein the composition has a total siloxane content of 1 wt% to 4 wt%; and (g) 0 to 5wt.% of an impact modifier, provided that the combined wt.% value of all components does not exceed 100 wt%, wherein the ratio of the siloxane content (wt%) contributed from the first polysiloxane-polycarbonate copolymer to the siloxane content (wt%) contributed from the second polysiloxane-polycarbonate copolymer is 3 to 4, a flame bar comprising the composition achieves a UL94 V0 rating at a thickness of 1.2 mm; wherein the composition has a melt volume rate of 10 cm 3 /10 min to 25 cm 3 /10 min at 300°C with a 1.2 kg load, as measured according to ASTM D1238; and wherein the composition has a notched izod impact energy of at least 800 J/m, as measured in a notched izod impact test at 23°C in accordance with ASTM D256 on a molded part having a thickness of 3.2 mm. (a) 25 wt% to 40 wt% of a first polycarbonate that is a BPA polycarbonate having a weight average molecular weight of 20 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], preferably 25 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; (b) 25 wt% to 65wt% of a second polycarbonate that is a BPA polycarbonate having a weight average molecular weight of 20 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], preferably 20 kg/mol [ ± 1 kg/mol] to 24 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; provided the second polycarbonate is different from the first polycarbonate; (c) 5 wt% to 40 wt% of a first polysiloxane-polycarbonate copolymer that is a BPA polysiloxane-polycarbonate copolymer produced by interfacial polymerization, comprising 4 wt% to 8 wt% siloxane, having an average polydiorganosiloxane block length of 40 to 50 units, and having a weight average molecular weight of 21 kg/mol [ ± 1 kg/mol] to 25 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; (d) 1 wt% to 5 wt% of a second polysiloxane-polycarbonate copolymer that is a BPA polysiloxane-polycarbonate copolymer produced by interfacial polymerization, comprising 18 wt% to 22 wt% siloxane, having an average polydiorganosiloxane block length of 40 to 50 units, and having a weight average molecular weight of 28 kg/mol [ ± 1 kg/mol] to 32 kg/mol [ ± 1 kg/mol], as determined by gel permeation chromatography using BPA polycarbonate standards; (e) 0.2 wt% to 1 wt% of a flame retardant that is potassium diphenylsulfone sulfonate; (f) 0.1 wt% to 1 wt% of an anti-drip agent; wherein the composition has a total siloxane content of 1 wt% to 4 wt%; and (g) 0 to 5wt.% of an impact modifier, provided that the combined wt.% value of all components does not exceed 100 wt%,