1. A modularized circuit for isolated circuit, whereinthe isolated circuit includes at least two circuit components connecting in parallel and/or series;
the circuit components, in accordance with a connection configuration of a circuit, weld a plurality of corresponding pins of the circuit components directly, making the circuit components form an integrated module in accordance with a connection method of the circuit, and saving circuit boards and wires;
the circuit components are designed in a parallelepiped, and a plurality of bonding pads are arranged on part of an area on a surface of the parallelepiped; and
the circuit components further comprise a triode, and three different bonding pad areas including a base electrode area, a collector area and an emitter area are designed on the triode.