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ponad 2 tygodnie temu
***Laser Hair Removal: The Diode Laser Hair Removal*** Diode unimarter UniMarter
***Laser Hair Removal: The Diode Laser Hair Removal***

Diode laser hair removal is the one of newer forms of laser hair removal on the market but is currently among the most popular of all laser hair removal options which may make it more readily available in your home area.As with other newer laser hair removal options, the Diode laser has limited research showing evidence of long term results.As with other laser hair removal options, the Diode laser at best might offer a person long term hair reduction or possibly permanent hair reduction.In other words, with repeated treatments you might find that the amount of unwanted hair is noticeably reduced over time.The Diode laser can achieve deeper skin penetration than the Ruby or Alexandrite lasers which generally allows it to treat darker skinned patients than either of these two lasers can.Having said that, Diode laser hair removal tends to work well on dark, coarse hair. With its ability to treat relatively large spot sizes, it is also an option for large body areas like the back.As with other hair removal options, the skill of the practitioner who is performing the hair removal treatment will go a long way to determine your success or lack thereof.Long term success and possible side effects of the hair removal will also vary by patient.Temporary and permanent hair removal technology is evolving constantly and is relevant to both men and women who want to remove unwanted hair.For more information on hair removal options, visit http: / / www.PermanentHairRemovalTips.com

#diodelaserhairremoval #laserhairremoval #hairremoval #unwantedhair #permanenthairremoval #hair
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@unimarter UniMarter Blog@unimarter
ponad 3 tygodnie temu
***How to Read Zener Diode Code*** Many technicians are conf unimarter UniMarter
***How to Read Zener Diode Code***

Many technicians are confused on how to really read a zener diode code. There are many types of code number indicated on it's body. The look and shape of a zener diode sometimescan be mistaken to be a normal signal diode. To differentiate it, is by looking at the codenumber on it's body- whether it is a normal diode or zener diode. Thanks to the manufacturers
where their main boards are printed with the word 'ZD' which referred to zener diode and 'D' means a diode.However, from my experienced some printed circuit board the marking of 'D' also can represent
zener diode. This will misled a technician into believing a zener diode is actually a diode. We
as a technician or engineer must know or be sensitive about the marking.
The only way to find out is by referring the code number printed on the component's body from a
semiconductor data book. Without data book it is quite difficult to know the actual zener diode
voltage. If you do not have the data book you may go to google search engine and type the
following code and hope you can find the answer there! A wrong substitution of zener diode may
caused your equipment to malfunction and sometimes will even blow your equipment. Time and money
are loss due to that we lack of knowledge of identify the right zener diode voltage. If you are
unable to identify the code, do not worry as this newsletter are here to guide you to
successfully on how to read the zener diode code.5.1=5.1Volt zener diode5V1=5.1Volt zener diode12= 12 Volt zener diode12V= 12 Volt zener diodeBZX85C22=22Volt 1 watt zener diode (refer to ECG PHILIPS SEMICONDUCTORS MASTER REPLACEMENT GUIDE)BZY85C22=22Volt 1 / 2 watt zener diode (refer to ECG PHILIPS SEMICONDUCTORS MASTER REPLACEMENT GUIDE)Note: There is also part number such as BZVXXXXX where you have to find it from ECG SEMICONDUCTOR BOOK.1N4746= 18 Volt 1 watt zener diode (refer to ECG PHILIPS SEMICONDUCTORS MASTER REPLACEMENT GUIDE)6C2=6.2 Volt zener diode. (If you look at the zener diode code it is written as 6C2 READING FROM TOP TO BOTTOM)
Don't read from bottom to top otherwise the value you get is 2C6 which you cannot find from data book!I believe many will ask how do I get the voltage for the code of 6C2. Still refer to ECG book, you
have to search for HZ part number. That's mean instead of finding 6C2, search for HZ6C2 and you
will get the answer! The lowest zener voltage that I came across was 2.4 volt and the highest was
200 Volt 5 watt.Conclusion- Be alert when checking the part number of a zener diode. Don't always assume that a small signal diode
is always a zener diode. Carefully observe the marking on the main board and read the zener diode part number
refer to the semiconductor book, preferably ECG SEMICONDUCTOR DATA BOOK which you can get from your
local electronic distributor. With this knowledge in mind, you will be successfully find the right voltage
of a zener diode.Jestine Yong is a electronic repairer and writer. For more information on electronic repair please visit his website at
http: / / www.noahtec.com

#zenerdiode #zener #zenervoltage #zenerdiodes #zenerdiodecodenumber #diode #diodes
@unimarter UniMarter Blog@unimarter
ponad 3 tygodnie temu
***Testing Diode -The Accurate Way on How to Test Semiconductor D unimarter UniMarter
***Testing Diode -The Accurate Way on How to Test Semiconductor Diode Using Multimeter***

Testing diodes is different from testing a resistor because you need a skill to do it. If you do not know or wrongly test a diode you will be unable to repair the equipment. A bad diode you think it is good. This will definitely waste your precious time.A rectifier diode can fail in one of the four ways. It can become:-Open
-Shorted
-Leaky
-Breakdown when in full operating voltageAn analog multimeter or digital multimeter can be used to check
for all the first three conditions except the last one where the
diode breakdown in full operating voltage. From my of experienced
in the electronic repairing line, i found that checking diode using analog
multimeter is more accurate than using a digital multimeter. I could explain
to you why i preferred analog meter. I do not know about you because i really
came across quite a number of diodes where it checked ok using digital multimeter
but failed when test with analog meter.The first step on how to test a diode is to remove one of the diode lead. You can't
always be certain if a diode is good or bad if you perform in-circuit test, because
of back circuits through other components. To be absolutely sure, you will need to
lift, or disconnect, one diode lead from the circuit to avoid back circuits.
Unless you are very sure about the board you are checking. Sometimes i do found bad
diodes when checking it on board. Your experienced will tell you when to check a diode
on-board or off-board. If you are new to electronic repair, i highly recommend that
you check a diode with a lead removed from the board.I will set my analog meter to x1 ohms to check for current diode leakage reverse and
forward testing. Connecting the black probe of your meter to the cathode and red probe
to the anode, the diode is reverse biased and should look like an open reading. Connecting
the red probe of your meter to the cathode and black probe to the anode, the diode is forward biased and the meter should read some value of resistance. If you have two readings then most probably the diode is shorted or leaky and you should replace it. If you don't get any reading either forward or reverse bias, the diode is considered open.The real problem when checking a diode using the diode test function of a digital meter is that an open or leaky diode, the meter sometimes reads ok(0.6). This is due to digital meter diode test output voltage (which you can measure the output test probe using another meter) is around 500mv to 2v. An analog meter set to x1 ohms have output about 3V(remember the two 1.5V battery you installed in the meter!). The 3V voltage is enough to show you the accurate reading of a diode when under test.Even if you have a good reading at x1 ohms doesn't mean that the diode is good . You
now have to set your meter to x10K to test the diode again. The output voltage of
x10k ohms is about 12V(remember the 9v battery in your meter-1.5v+1.5v+9v=12v). Again
the diode under test should show only one reading. This is exception to Schottky diode
where it have two readings but not shorted reading. If the meter showed one reading then
the diode under test is good. If it has two readings then most probably the diode is either
shorted or leaky. The digital meter can't test it because the output from the meter is only
500mv to 2V.If a diode breakdown when under full operating voltage, there is no way to testing diode (unless you have a very expensive diode checker which specially designed to locate this type of problem).Substituting with a known good diode is often the only way to prove that an intermittent diode is causing a particular problem. Sometimes an intermittent diode could be locate using a coolant spray.Caution: Be certain that power is removed from any circuit before performing any of the following diode checks, otherwise meter or circuit damage could result.Conclusion-In order to correctly test diode function you need to set the analog meter
to x1 ohms and x10K ohms range.Jestine Yong is a electronic repairer and a writer. For more electronic repair information please visit his website at
http: / / www.noahtec.com / electronic-repair-articles.htm

#testingdiode #diode #testdiodes #semiconductor #rectifier #multimeter #testingdiodes
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