A module (2, 3) comprising: a first switching device including a first bipolar device (11a, 12a, 13a, 14a); a first unipolar device (21, 22, 23, 24) connected in parallel to the first bipolar device (11a, 12a, 13a, 14a); a die pad (51, 54) on which the first bipolar device (11a, 12a, 13a, 14a) and the first unipolar device (21, 22, 23, 24) are mounted by die bonding; a first connection metal member (31, 33, 35, 37; 31A, 33A, 35A, 37A), parasitized by an inductance (L1,L3,L5,L7), through which the first bipolar device (11a, 12a, 13a, 14a) is connected to the first unipolar device (21, 22, 23, 24); a first output line (41, 42, 43, 46, 47, 48) connected to the first bipolar device (11a, 12a, 13a, 14a) through the first connection metal member (31, 33, 35, 37; 31A, 33A, 35A, 37A), and to the first unipolar device (21, 22, 23, 24) without going through the first connection metal member (31, 33, 35, 37; 31A, 33A, 35A, 37A); and a second connection metal member (32, 34, 36, 38; 32A, 34A, 36A, 38A) through which the first unipolar device (21, 22, 23, 24) is connected to the first output line (41, 42, 43, 46, 47, 48), and that is parasitized by an inductance (L2, L4, L6, L8), wherein the first and second connection metal members (31-38,31A-38A) are connected in series between the first bipolar device (11a, 12a, 13a, 14a) and the first output line (41, 42, 43, 46, 47, 48), whereby an inductance (L2, L4, L6, L8) between the first unipolar device (21, 22, 23, 24) and the first output line (41, 42, 46, 47) is smaller than an inductance (L1-L8) between the first bipolar device (11a, 12a, 13a, 14a) and the first output line (41, 42, 43, 46, 47, 48). a first switching device including a first bipolar device (11a, 12a, 13a, 14a); a first unipolar device (21, 22, 23, 24) connected in parallel to the first bipolar device (11a, 12a, 13a, 14a); a die pad (51, 54) on which the first bipolar device (11a, 12a, 13a, 14a) and the first unipolar device (21, 22, 23, 24) are mounted by die bonding; a first connection metal member (31, 33, 35, 37; 31A, 33A, 35A, 37A), parasitized by an inductance (L1,L3,L5,L7), through which the first bipolar device (11a, 12a, 13a, 14a) is connected to the first unipolar device (21, 22, 23, 24); a first output line (41, 42, 43, 46, 47, 48) connected to the first bipolar device (11a, 12a, 13a, 14a) through the first connection metal member (31, 33, 35, 37; 31A, 33A, 35A, 37A), and to the first unipolar device (21, 22, 23, 24) without going through the first connection metal member (31, 33, 35, 37; 31A, 33A, 35A, 37A); and a second connection metal member (32, 34, 36, 38; 32A, 34A, 36A, 38A) through which the first unipolar device (21, 22, 23, 24) is connected to the first output line (41, 42, 43, 46, 47, 48), and that is parasitized by an inductance (L2, L4, L6, L8), wherein the first and second connection metal members (31-38,31A-38A) are connected in series between the first bipolar device (11a, 12a, 13a, 14a) and the first output line (41, 42, 43, 46, 47, 48), whereby an inductance (L2, L4, L6, L8) between the first unipolar device (21, 22, 23, 24) and the first output line (41, 42, 46, 47) is smaller than an inductance (L1-L8) between the first bipolar device (11a, 12a, 13a, 14a) and the first output line (41, 42, 43, 46, 47, 48).