The half Wave and Full wave Rectifier have significant differences. A rectifier converts AC voltage right into Pulsating DC voltage. A Half-Wave rectifier is an digital circuit which converts just one-half that the AC cycle right into pulsating DC. It utilizes only fifty percent of AC cycle because that the conversion process. Top top the various other hand, complete wave rectifier is an digital circuit i beg your pardon converts whole cycle that AC into Pulsating DC.

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The Half-Wave Rectifier is unidirectional; it way it will allow the conduction in one direction only. That’s why one of two people it can convert positive half only or negative fifty percent only right into DC voltage. This is the factor that it is called Half tide Rectifier. if Full-wave Rectifier, is bi-directional, the conducts for positive half as well together negative half of the cycle. Thus, the is termed together full wave rectifier.

Content: fifty percent Wave and Full tide Rectifier

Comparison Chart

ParametersHalf-Wave RectifiersFull-Wave Rectifiers
Rectification Efficiency40.6%81.2%
Ripple factor 1.210.482
Transformer Utilization variable 0.2860.692
Voltage RegulationGood Better
Fundamental frequency that ripple Equal to supply Frequency, fDouble of it is provided Frequency, 2f
Form Factor1.571.11
Peak Factor21.414
Number of diodesOnly 1Vary indigenous 2 come 4, 4 in instance of leg rectifier
Peak inverse Voltage Vs2 Vs
DC output VoltageImax/π RL2/π RL Imax

Definition of fifty percent Wave Rectifier

Half wave Rectifier circuit is composed of a solitary diode and a step-down transformer, the high voltage AC will certainly be converted right into low voltage AC v the assist of step-down transformer. After ~ this, a diode associated in the circuit will certainly be front biased for positive half of AC cycle and will it is in reversed biased during an adverse half.


When the diode is forward biased, that acts together a quick circuit, while as soon as it is reversed biased that acts together an open circuit. This is since of the connection design of the circuit. The P-terminal the the diode is connected with the second winding of transformer and also N-terminal the the diode is connected with the fill resistor.

Thus, the diode conducts throughout the positive fifty percent of AC cycle. While it will not conduct throughout the negative half of AC cycle. Thus, the voltage drop across the load resistor will appear only for the positive half of AC. Throughout negative fifty percent of AC cycle, us will get zero DC voltage.

Definition of full Wave Rectifier

Full tide Rectifier consists of 2 diodes and one action down transformer i m sorry is centre tapped. The P-terminal that the diodes is connected to the an additional winding that the transformer. The N-terminals the both the diodes are connected to the center tapping allude of the an additional winding, and also they are additionally connected to fill terminal.

When positive half of AC bicycle passes v transformer main winding, then as result of mutual induction the optimal of the second winding becomes confident while the bottom of the an additional winding becomes negative.


The P-terminal that diode D1 is connected to the positive voltage which renders the diode to operate in forward biased region. At the same time diode D2 becomes turning back biased, because of the an unfavorable voltage at the bottom the the secondary winding.

Thus, for the positive half cycle that AC, just diode D1 conducts, and also diode D2 does no conduct.Thus, as soon as the negative half cycle the AC passes v the main winding the transformer then due to mutual induction the optimal of the an additional winding that transformer becomes an unfavorable and bottom the the second windings end up being positive.

Now, diode D2 will be front biased, and diode D1 will certainly be reverse biased. Thus, DC voltage will be obtained for positive half of AC cycle as well as for negative fifty percent of AC cycle. Thus, the is dubbed full wave as the conducts for the complete cycle that AC.

Key Differences Between half Wave and Full wave Rectifier

The significant key difference between half wave and full tide rectifier is efficiency. Half tide rectifier is a low-efficiency rectifier if the full wave is a high-efficiency rectifier. Thus, that is always far better to use complete wave once we room working ~ above the highly efficient application.The centre tapping likewise differs in half wave and also full wave rectifier. Fifty percent wave rectifier does not need centre tapping the the second winding the transformer while complete wave requires centre tapping the the second winding of the transformer.The necessity of components varies in fifty percent Wave and also Full tide Rectifier. Full wave requires much more electronic components as contrasted to fifty percent wave. Thus, complete wave rectifier is costly as contrasted to half wave. Full wave calls for double the number of diodes.The losses because of saturation of DC main point in fifty percent wave and full wave rectifiers additionally create the far-reaching difference. The fifty percent wave possesses DC saturation the core, yet this problem can be get rid of in the full wave circuit.The complete wave circuitry does not possess DC saturation the transformer core because the present in the an additional winding flows in two halves of the an additional winding the the transformer and also in the opposite directions.


A rectifier is a crucial component in various digital circuits. This is due to the fact that most the the electronic circuits run on low voltage DC and it is economical to supply power in the kind of AC. Thus, we require a an equipment which can convert AC come DC. A rectifier is a device which switch AC voltage into Pulsating DC voltage.

The pulsating DC voltage is composed of AC ripples through DC voltage. Thus, that is referred to as Pulsating DC voltage. The half wave rectifier converts fifty percent cycle of AC right into pulsating DC while complete wave converts complete cycle into pulsating DC.

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Our selection for half wave and also full tide rectifier must be based ~ above the requirements. If we require a low-cost maker and if you have the right to compromise with performance then use half wave. But if you room working on some certain circuit creating which needs highly effective conversion of AC come DC then use full wave, maintaining in mind its circuit complexity and high cost.