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What else can I help you with?
What is the difference between regulated IC and the zener diode?
a zener regulator must sustain its own current to function plus the load currents IC regulator on the other hand will require very little current to sustain regulation plus there is a gain regulation that a zener do not have.
Can you use a rectifying diode to reduce voltage in an AC circuit?
No, you must use one of three options depending upon your circuit and what you want to accomplish: 1. Use a transformer (ie; 24 volts into 12 volts). 2. Use a voltage regulator circuit. 3. Use a ZENER diode that is rated for the maximum voltage you desire in your circuit. Example: A 12 volt circuit with a 5 volt zener diode (the diode will only let a maximum 5 volts get through and will disipate the remaining voltage to ground. (requires proper design and resistor selection). ANSWER: YES ABSOLUTELY if there is a full wave rectifier removing one diode will reduce the voltage and reduce power too.
How do you connect power supply and zener diode?
Probably. Although it may be possible to make one without using a zener diode if you really want to. The zener diode is often used to keep voltage levels at exactly the desired value (ie 5 volts). Other methods may exist to do this, but I'd wager can be much more complicated.
How do you reduce12 volt DC to 3 volt DC?
With some difficulty. You can use a resistor in series to drop the voltage, or you can use a zener diode. If you want to be elegant you get a DC-to-DC converter and set it up to do the job for you. A series resistor will work only if the load current doesn't vary.
When does the diode not allowed to flow the current?
A diode is a one-way gate for electrical current to flow through. You must have the right size diode for the amount of current that will be used in your circuit. The stripe on the diode is your output end. That is, the current must enter your diode at the non-stripe end and leave at the end with the stripe. This coincides with the diode symbol used on your schematic. If your diode is in backwards, the circuit will not work as the gate in the diode will block the current just the way it should.
What is the difference between regulated IC and the zener diode?
a zener regulator must sustain its own current to function plus the load currents IC regulator on the other hand will require very little current to sustain regulation plus there is a gain regulation that a zener do not have.
Can zener diode used as rectifier?
Yes **************************************** Yes they can but there are pitfalls. A normal diode will have a high reverse breakdown voltage. A zener has a relatively low breakdown voltage (its "zener"voltage). If a zener diode is used as a rectifier it must have a zener voltage at least twice the peak of the applied a.c.
Why the zener current taken five times the load current in zener diode as voltage regulator?
A: There is no X times current for a zener to regulate. The real limit is the zener power dissipation that determine the total current since the zener to regulate must carry its own breakdown current in addition to the load current when the load is absent . IF this is not taken in consideration the zener will surely burn out
You want to solder a broken zener diode back together with liquid solder?
This is not possible. You must replace the diode.
What are some applications of Zener diode?
A zener diode is like a regular diode when connected in forward bias which means it will control the flow of the electricity throughout the circuit. Usually you'd find a zener diode in a reverse bias mode because of its purpose which is it has a breakdown voltage value of 5.6v; this shows that the circuit output voltage will be regulated at the same value of 5.6v. It also has the ability to change its own internal resistance based current flow passing through it helping sustain a fixed voltage of 5.6v. The benefits of a zener diode are that it is a less cost effective voltage regulator, its simplicity is based on the fact it's a diode with two overall purposes. The main purpose of a zener diode is to maintain a fixed voltage; in order for this to happen it must lower or raise its resistance depending on the actual current flowing throughout the circuit. If the current increases the zener diode will raise the resistance in order to maintain the fixed voltage. If the resistance lowers the diode will raise it because the fixed voltage should be at 5.6v, and works in reversed biased.
Can you use zener diode for rectification purpose?
Yes **************************************** Yes they can but there are pitfalls. A normal diode will have a high reverse breakdown voltage. A zener has a relatively low breakdown voltage (its "zener"voltage). If a zener diode is used as a rectifier it must have a zener voltage at least twice the peak of the applied a.c.
Zener knee current?
Not 100% sure, but I believe it's the reverse current at which a Zener diode enters breakdown. There is also the Zener max current which refers to the current that must not be exceeded if you do not wish to damage the device and also the Zener test current at which the Zener Voltage is measured. The test current usually lies somewhere (roughly halfway) between the knee and max current.
How a zener diode can be used as a voltage regulator?
A: A zener diode is manufacture to reverse breakdown at a certain voltage this voltage will remain almost constant no matter how much more voltage is available [within operating parameters]. this zener must be able to sustain both itself operating currents plus the load
Can you use a rectifying diode to reduce voltage in an AC circuit?
No, you must use one of three options depending upon your circuit and what you want to accomplish: 1. Use a transformer (ie; 24 volts into 12 volts). 2. Use a voltage regulator circuit. 3. Use a ZENER diode that is rated for the maximum voltage you desire in your circuit. Example: A 12 volt circuit with a 5 volt zener diode (the diode will only let a maximum 5 volts get through and will disipate the remaining voltage to ground. (requires proper design and resistor selection). ANSWER: YES ABSOLUTELY if there is a full wave rectifier removing one diode will reduce the voltage and reduce power too.
How do you connect power supply and zener diode?
Probably. Although it may be possible to make one without using a zener diode if you really want to. The zener diode is often used to keep voltage levels at exactly the desired value (ie 5 volts). Other methods may exist to do this, but I'd wager can be much more complicated.
How can the bipolar junction transistor be used as a diode?
A: Yes it can but why ? This is frequently done when the diode is used for biasing purposes on another transistor and must be matched identically to the transistor's E-B junction characteristics. Thus 2 matched transistors are used with one just being used as a diode.
What value of current in a 1W - 20V zener diode must be limited to a maximum?
ANSWER A reverse biased 20 V zener clamps the voltage across its terminals to 20 V. Since 50 mA x 20 V = 1 W, the current through the diode should be limited to a maximum of 50 mA. In practice, this current maximum would be derated for reliability reasons.
