1A THREE TERMINAL NEGATIVE VOLTAGE REGULATORS -5V, -6V, -8V, -9V, -10V, -12V, -15V, -18V, -20V, -24V1A三端负稳压器-5V , -6V , -8V , -9V , -10V , -12V , -15V , -18V , -20V , -24V