documentclass{standalone}
usepackage{circuitikz}
usepackage{tikz}

begin{document}
begin{tikzpicture}[american, font=sffamily]
node[nigbt](q1) at (0,0) {Q1};
node[nigbt](q2) at (0,2) {Q2};

draw
(1,-0.8) node[]{dummy}         % not sure why this is necessary
(q2.E) to (q1.C)
(q1.E) |- (-2,-1) to [C](-2,3) -| (q2.C);
end{tikzpicture}
end{document}

documentclass{standalone}
usepackage{circuitikz}
usepackage{tikz}

begin{document}
begin{tikzpicture}[american, font=sffamily]
node[nigbt](q1) at (0,0) {};
node[nigbt](q2) at (0,2) {};
node[above] at (q1.B){Q1};
node[above] at (q2.B){Q2};

draw
(1,-0.8) node[]{dummy}
(q2.E) to (q1.C)
(q1.E) |- (-2,-1) to [C](-2,3) -| (q2.C);
end{tikzpicture}
end{document}