Diode Rectifier | |
Diode M7 DO-214AC (1A 1000V) T&R RoHS. SMA | Diode SR560 (5A 60V) Bulk RoHS. DO-27 |
Diode LL4148 SMD T&R RoHS. Minimelf | Diode UF4004 (1А 400V) Bulk RoHS. DO-41 |
1N4001-1N4007 | Diode UF4007 (1A 1000V) Bulk RoHS. DO-41 |
1N4001S-1N4007S | Diode 10A10 (10A 1000V) TO-R6 RoHS R-6 |
1N5400-1N5408 | Diode 1A7 (1A 1000V) Bulk RoHS R-1 |
1N5391-1N5399 | Diode 1N4007 (1A 1000V) Bulk RoHS DO-41 |
RL201-RL207 | Diode 1N4148 (150mА 100V) Bulk RoHS |
FR101-FR107 | Diode 1N4448 Bulk RoHS DO-35 |
1N4933-1N4937 | Diode 1N4937 Bulk RoHS DO-41 |
FR151-FR157 | Diode 1N5397 (1,5A 600V) Bulk RoHS DO-15 |
FR201-FR207 | Diode 1N5399 (1,5A 1000V) Bulk RoHS DO-15 |
FR301-FR307 | Diode 1N5408 (3A 1000V) Bulk RoHS DO-27 |
1N5817-1N5819 | Diode 1N5819 (1A 40V) Bulk RoHS DO-41 |
1N5820-1N5822 | Diode 1N5822 (3A 40V) Bulk RoHS DO-27 |
6A05-6A10 | Diode 6A10 (6A 1000V) Bulk RoHS. R-6 |
1N5230B | Diode EM518 (1A 2000V) Bulk RoHS DO-41 |
BZV55 | Diode FR207 (2A 1000V) Bulk RoHS. DO-15 |
BZV55-C4V3 | Diode FR307 (3A 1000V) Bulk RoHS DO-27 |
BZV55-C10 | Diode HER208 (2A 1000V) Bulk RoHS DO-15 |
RS1M | Diode HER305 (3А 400V) Bulk RoHS DO-27 |
Diode 1N5406 (3A 600V) Bulk RoHS. DO-27 | Diode HER307 (3А 800V) Bulk RoHS DO-27 |
Diode 1N5407 (3A 800V) Bulk RoHS. DO-201AD | Diode SS16 (1A 60V) T&R RoHS. SMA |
Diode FR157 (1,5A 1000V) Bulk RoHS. DO-15 | Diode SS14 (1A 40V) T&R RoHS. SMA |
Diode FR607 (6A 1000V) Bulk RoHS. R-6 | Diode SF18 (1A 600V) Bulk RoHS. DO-41 |
Diode HER102 Bulk RoHS. DO-41 | Diode SF26 (2A 400V) Bulk RoHS. DO-15 |
Diode HER107 Bulk RoHS. DO-41 | Diode SF28 Bulk RoHS. DO-15 |
Diode HER108 (1A 1000V) Bulk RoHS. DO-41 | Diode SF34 (3A 200V) Bulk RoHS. DO-201AD |
Diode HER203 (2А 200V) Bulk RoHS. DO-15 | Diode SF36 (3A 400V) Bulk RoHS. DO-27 |
Diode HER302 (3А 100V) Bulk RoHS. DO-27 | Diode SR360 (3A 60V) Bulk RoHS. DO-27 |
Diode LL4448 SMD MINIMELF Tape & Reel RoHS | Diode SR506 (5A 60V) Bulk RoHS. DO-27 |
Diode SB360 (3А 60V) Bulk RoHS. DO-27 | Diode SR510 (5A 100V) Bulk RoHS. DO-27 |
Diode SB560 (5А 60V) Bulk RoHS. DO-27 | Diode SR540 (5А 40V) Bulk RoHS. DO-27 |
Bridge rectifiers and zener diodes are commonly used in electronic products such as computers and stereos. Bridge rectifiers are composed of a four-diode array.
These diodes convert alternating current into direct current. Bridge rectifiers have four leads, and are found in power supplies. Zener diodes are used to provide
regulated voltage for power supplies. A failure of either a bridge rectifier or zener diode prevents electronic devices from working properly.
Since the voltage dropped across a Zener Diode is a known and fixed value, Zener diodes are typically used to regulate the voltage in electric circuits. Using a resistor to ensure that the current passing through the Zener diode is at least 5mA (0.005 Amps), the circuit designer knows that the voltage drop across the diode is exactly equal to the Zener voltage of the diode.
NEW Click here to visit Zener-Diode.co.uk for a site dedicated to zener diodes, their characteristics, usage, and other information.
Zener Diode Voltage Regulator Circuit
A zener diode can be used to make a simple voltage regulation circuit as pictured above. The output voltage is fixed at the zener voltage of the zener diode used and so can be used to power devices requiring a fixed voltage. Click here to find out more about the Zener Diode Voltage Regulator and how you go about selecting the resistor and zener diode.
NEW The above mentioned article on zener diode voltage regulators has now been updated and a handy calculator has been added to help you select the correct resistor and zener diode values and power ratings.
Zener Diodes in Series With Loads
If you have a regulated fixed voltage - say 12 Volts from a desktop PC power supply, and you want to power something requiring a lower voltage, it is possible to simply place a zener diode in series with the load device. You would choose a diode with a zener voltage equal to the supply voltage minus the voltage drop across the load.
For example, if you have a 1 Watt 6 Volt lightbulb to power from a 12 Watt regulated power supply, a 6.2V zener diode could be placed in series with the bulb giving the bulb 5.8V, or you could overpower the bulb a little using a 5.6V zener diode and dropping 6.4V across the bulb. Heat would be generated in the zener diode so it is essential to calculate the power lost in it so a suitably rated diode could be chosen.
Using a 5.6V zener diode, and knowing the bulb draws a current of around one-sixth of an Amp, we can calculate the power loss in the diode (with Ohm's Law) to be just under 1 Watt. Therefore a standard 1.3 Watt zener diode should be up to the job.
Circuits with Zener Diodes
Zener diodes are key components in the circuits presented in the following articles: Make a Simple Battery Status Monitor, LM741 Voltage Indicator, and High Capacity Alternative to 9V Battery.
Rectifiers find a use in detection of amplitude modulated radio signals. The signal may be amplified before detection, but if un-amplified, a very low voltage drop diode must be used. When using a rectifier for demodulation the capacitor and load resistance must be carefully matched. Too low a capacitance will result in the high frequency carrier passing to the output and too high will result in the capacitor just charging and staying charged.
Kingtronics’s fast recovery rectifier diodes are very popular in the overseas market, According to the rectifier’ s application , Our Kingtronics managing ordinary rectifier diodes, ultra-fast rectifier diodes. In our Kingtronics website www.kingtronics.com ,we have detailed PDF about all kinds of diodes & rectifiers.
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Kingtronics International Company was established in 1995 located in Dongguan City of China to handle all sales & marketing for factories located in Chengdu, Sichuan and Zhaoqing, Guangdong, China. In 1990, we established the first factory to produce trimming potentiometer and in 1999 we built up new factory in Zhao Qing, Guangdong. Now with around 850 workers, Kingtronics produce trimming potentiometers, dipped tantalum capacitors, multilayer ceramic capacitors, and diode & bridge rectifier. We sell good quality under our brand Kingtronics, and Kt, King, Kingtronics are our three trademarks. All our products are RoHS compliant, and our bridge rectifier have UL approval. Please visit our Products page, you could please download all our PDF datasheet and find cross reference for our Trimming Potentiometer and capacitors.
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