An integrated circuit arrangement comprising: - a flange, the flange comprising conducting material and having a surface; - transistor dies (305a, 305b) each comprising an elongate transistor bar and disposed on the surface of the flange; - an input conducting element and an output conducting element each in the form of a lead; - two or more parallel sections, each comprising a first elongate capacitor bar (303a, 303b), one of the elongate transistor bars (305a, 305b) and a second elongate capacitor bar (307a, 307b), wherein the transistor bars (305a, 305b) are disposed end to end on the surface of the flange, and wherein the first and second elongate capacitor bars (303a, 303b, 307a, 307b) are respectively disposed end to end on the surface of the flange; wherein said first elongate capacitor bars (303a, 303b) are arranged between the transistor dies (305a, 305b) and the input conducting element, and wherein said second elongate capacitor bars (307a, 307b) are arranged between the transistor dies (305a, 305b) and the output conducting element, wherein said input conducting element is electrically connected to the first elongate capacitor bars (303a, 303b) via connecting elements (302a, 302b), wherein said output conducting element is connected directly to the transistor dies (305a, 305b) by connecting elements (308a, 308b), and wherein the transistor dies (305a, 305b) are connected to the first and the second elongate capacitor bars (303a, 303b; 307a, 307b) by connecting elements (304a, 304b; 306a, 306b), characterized in that - the flange comprises an elongate trench (341a, 341b; 342a, 342b; 343a, 343b; 344a, 344b) defining one or more reduced thickness portions, wherein a longitudinal axis of said elongate trench (341a-344b) is parallel to a longitudinal axis of the elongate transistor bars (305a, 305b) and wherein the one or more reduced thickness portions being configured to control current flow passing through the flange to the transistor dies (305a, 305b), and - the reduced thickness portion has one or more of following positions: ∘ a position (341a, 341b) between the input conducting element and the first elongate capacitor bar (303a, 303b); ∘ a position (342a, 342b) between the first elongate capacitor bar (303a, 303b) and the transistor dies (305a, 305b); ∘ a position (343a, 343b) between the transistor dies (305a, 305b) and the second elongate capacitor bar (307a, 307b), and ∘ a position (344a, 344b) between the second elongate capacitor (307a, 307b) bar and the output conducting element. - a flange, the flange comprising conducting material and having a surface; - transistor dies (305a, 305b) each comprising an elongate transistor bar and disposed on the surface of the flange; - an input conducting element and an output conducting element each in the form of a lead; - two or more parallel sections, each comprising a first elongate capacitor bar (303a, 303b), one of the elongate transistor bars (305a, 305b) and a second elongate capacitor bar (307a, 307b), wherein the transistor bars (305a, 305b) are disposed end to end on the surface of the flange, and wherein the first and second elongate capacitor bars (303a, 303b, 307a, 307b) are respectively disposed end to end on the surface of the flange; - the flange comprises an elongate trench (341a, 341b; 342a, 342b; 343a, 343b; 344a, 344b) defining one or more reduced thickness portions, wherein a longitudinal axis of said elongate trench (341a-344b) is parallel to a longitudinal axis of the elongate transistor bars (305a, 305b) and wherein the one or more reduced thickness portions being configured to control current flow passing through the flange to the transistor dies (305a, 305b), and - the reduced thickness portion has one or more of following positions: ∘ a position (341a, 341b) between the input conducting element and the first elongate capacitor bar (303a, 303b); ∘ a position (342a, 342b) between the first elongate capacitor bar (303a, 303b) and the transistor dies (305a, 305b); ∘ a position (343a, 343b) between the transistor dies (305a, 305b) and the second elongate capacitor bar (307a, 307b), and ∘ a position (344a, 344b) between the second elongate capacitor (307a, 307b) bar and the output conducting element. ∘ a position (341a, 341b) between the input conducting element and the first elongate capacitor bar (303a, 303b); ∘ a position (342a, 342b) between the first elongate capacitor bar (303a, 303b) and the transistor dies (305a, 305b); ∘ a position (343a, 343b) between the transistor dies (305a, 305b) and the second elongate capacitor bar (307a, 307b), and ∘ a position (344a, 344b) between the second elongate capacitor (307a, 307b) bar and the output conducting element.