Pnp Transistor Wiring Diagram. The output of the device that outputs a current will be connected to the base of the transistor. The following is a wiring diagram of an open collector pnp sensor.
Unless it is pressed normally no current flows into the base of the transistor. The humble transistor q1 emitter e collector c base b transistor basics emitter to base junction is forward biased normally collector to base junction is reverse biased normally transistors are current operated devices so kcl should be applied first. Symbol of p n p transistor pnp transistor construction.
In my article how transistors work i explained how a standard npn transistor works.
50 52 61 21 88 53 55 54 22 23 92 93 89 62 90 85 63 91 35 51 24 28 36 84 till now we only used the transistor for static changes either it is turned on or off. 3 other components supplementary contact symbols iec symbols static switching control static switching control is a method of switching electrical circuits without the use of contacts primarily by solid state devices. The lowermost circuit diagram illustrating the function of the pnp shows the load positioned after the transistor. So 3v is connected to the emitter of the transistor.