JPS5987157U - darlington transistor - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 is a circuit diagram of a conventional Darlington transistor, Figure 2 is a vertical cross-sectional view of the transistor shown in Figure 1, Figure 3 is a circuit diagram of a Darlington transistor according to this invention, and Figure 4 is a vertical cross-sectional view of the same transistor. be. N1...first area, P□...second area, N2...
...Third area, N4. N5...Fourth area, N3
...Fifth area P2...Sixth area.

Claims (1)

[Scope of utility model registration request] A first region of a first conductivity type and a second region of a second conductivity type are joined, and third and fourth regions of the first conductivity type are spaced apart within the second region. the first and second transistors each having a common collector in the first region, a common base in the second region, and respective emitters in the third and fourth regions; forming a fifth region of the first conductivity type spaced apart from the third and fourth regions; forming a sixth region of the second conductivity type within the fifth region; ,
A third transistor is configured in which the region is the collector, the fifth region is the base, and the sixth region is the emitter.
A Darlington transistor, in which a second region which is the base of the transistor, a third region which is the emitter of the second transistor, and a twenty-sixth region which is the emitter of the third transistor are electrically connected to each other.