Top vid man!, big thanks for that! I will have to do a test tonight! The gates must be super sensitive if it can trigger off the small amount of power going across your body!
cool video, just a few things to add. you can do this test with a DMM that puts out 3 to 7 Volts on the diode setting. However, a lot of those modules are rated for 600V or more and 25 Amps I've even seen 200A ones, so just gating it one with a meter, or lighting a bulb does not always mean its good. I've seen units that would gate and handle a small load, 500 mA, but then in the machine when being loaded down to their working load it would fail. I've also seen ones that the casing was blown apart, but it would still gate on and checked fine with a meter. They are tricky little devices.
Interesting, at 4:27 the light is fully off, but after turning it on and off again, the light is not fully off. When turning it off you only touch it quickly and its not enough to fully discharge the gate capacitance.
Really a awesome video. Thanks joyange1. you really a super engg. u describe it very beautifully. Now I know how an IGBT on n off. And how it works thanks a lot. keep uploading video's like this.
5 stars video...thank you very much for helping us out there now.... how do I know the proper voltage used to turn on gates on igbt bricks and for example on rectifier modules .
Humidity can cause this to happen but it could also mean that there is a leak in the gate substrate as well. Are all your bricks doing this or just a few?
Thanks for the test procedures you provided on the black color thyristor. I used this method to test my black thyristors type: CM300DY-12NF and on type: CM75DU-12F & the test when through just as you explained it in your video. However, I have a problem in applying this test method on the white thyristor example SKKT 162/16E Semikron. The test those not work accordingly as it those on the black thyristor. Could you please explain & demonstrate as to how to carry out a test on the white thyristors the SKKT type. Thanks.
What's the difference between IGBT bricks as shown in this video and the IGBTs that look like power MOSFETs? From looking at specs, the bricks are generally for larger voltage/current ratings, though I can find both types that have the same specs (e.g. 1.2kV, 60A), so I'm not really sure what the differences are.
I have 6 bricks. 2 tested no good but 4 of them behaved as described. Today I tested them in a low humidity room, 45% and they still do it. Should I conclude they are no good?
as far as testing go. there is no difference. In fact you can test MOSFETs the same way. just substitute EMITTER for SOURCE and COLLECTOR for DRAIN. N-channel are like NPN and P-channel are like PNP. Hope this helps
I have some CM150DU-12F Dual IGBT´s and 3 ofthem tested ALMOST the same as above except for when I remove my finger from the gate terminal the bulb gradually fades to zero in about 3 seconds. It´s very humid where I live. Does this mean my units are defective??
It looks like then you have a leaky substrate in them. I'd go ahead and try to use them for experimenting with. But I wouldn't use them to repair someone VFD drive with.
touching the terminal of the battery and one finger on the igbt turns it on and a bulb lights on bright. by it size it looks like a 40 watts bulb, if so why do we do the switching of IGBT with 14 to 22 volts is that not a damaging factor
I did same test with my mg15n6es42 igbt brick 6xigbt. In resoult i can tell that this test could not work if igbt have gate protection diodes, when igbt is working propelly.
how do i know which is collecter and which one is emitter? theres no letters just numbers...1.to.7, could you take me step by step through testing my IGBT, as ive tested two IGBT bricks,and light comes on but doesnt stay on for both,
Hello. I have a dual darlington transistor module (Powerex KD324515). I have performed this test, but it didn't work with my brick. I haven't got any battery like in the video, so I used a 15V DC adaptor. I could switch on the lamp, only when I changed the polarity. In this case the lamp was switched on continously. When I touched one of B1, B2, E1, E2 tabs with the positive pole, and hold it, the lamp was turned off. If I release it, the light was turn on again. Does it work well?
The vid is IHMO ok, thanks for it. But it could be very dangerous, to leave the gates open when the unit isn't being used. (Your first brick hadn't a visible safety diode or short circuit between G and E.)
I duplicated your test with 12Vdc battery on 6 each, FZ800R12KE3. Same result as yours with the exception that my gates seem to charge (3 seconds) and discharge (5 seconds) slowly, like turning up and down a dimmer switch, not instant on and off as your demo. I needed to hold my finger on the gate for the full time it took for the gate to charge and discharge. These IGBTs are used and suspect, that is why I am testing them. Do you have an opinion about the behavior of my test?
Could anyone have the same question as me,for the poster of this video?? Im sure using your finger to trigger this device it is a good or a proper method ?? What else you can do to trigger it and can you apply higher voltages, for example 220V ??
Are you the poster of this video?? Anyway thank you for your reply but what it would be the value of the resistor, plus can you apply 220V to this device ??
I would not recommend it. It could be done but it would not be efficient. IGBTs are mainly used in high voltage switching applications. I would use a power MOSFET instead.
dude amazing job idk why i found this soo late but thank you may u live happy ...
You have just saved me several hundreds of dollars. Thanks!!
Top vid man!, big thanks for that! I will have to do a test tonight!
The gates must be super sensitive if it can trigger off the small amount of power going across your body!
Awesome video, thanks !
I will build an induction heater and this info came at the perfect moment.
cool video, just a few things to add. you can do this test with a DMM that puts out 3 to 7 Volts on the diode setting. However, a lot of those modules are rated for 600V or more and 25 Amps I've even seen 200A ones, so just gating it one with a meter, or lighting a bulb does not always mean its good. I've seen units that would gate and handle a small load, 500 mA, but then in the machine when being loaded down to their working load it would fail. I've also seen ones that the casing was blown apart, but it would still gate on and checked fine with a meter. They are tricky little devices.
Thanks u sir, Its very easy to understand the working and testing of IGBT.
Interesting, at 4:27 the light is fully off, but after turning it on and off again, the light is not fully off.
When turning it off you only touch it quickly and its not enough to fully discharge the gate capacitance.
Really a awesome video. Thanks joyange1.
you really a super engg.
u describe it very beautifully.
Now I know how an IGBT on n off. And how it works
thanks a lot.
keep uploading video's like this.
5 stars video...thank you very much for helping us out there now.... how do I know the proper voltage used to turn on gates on igbt bricks and for example on rectifier modules .
I think the smaller VFD's I've seen have 6 pack IGBT's in them too. I'll see what otehr drives are floating around the yard.
Humidity can cause this to happen but it could also mean that there is a leak in the gate substrate as well. Are all your bricks doing this or just a few?
great presentation love it , thanks
Thanks for the test procedures you provided on the black color thyristor. I used this method to test my black thyristors type: CM300DY-12NF and on type: CM75DU-12F & the test when through just as you explained it in your video. However, I have a problem in applying this test method on the white thyristor example SKKT 162/16E Semikron. The test those not work accordingly as it those on the black thyristor. Could you please explain & demonstrate as to how to carry out a test on the white thyristors the SKKT type. Thanks.
Thanks Sir, Excellent GOD will add more your knowledge...
What's the difference between IGBT bricks as shown in this video and the IGBTs that look like power MOSFETs?
From looking at specs, the bricks are generally for larger voltage/current ratings, though I can find both types that have the same specs (e.g. 1.2kV, 60A), so I'm not really sure what the differences are.
wow, has it really been 3 years or so since I started playing with IGBT's? man time goes fast :D
great vid once again!,. thanks!
joyange? IGBT the first you test is PNP or NPN?
I have 6 bricks. 2 tested no good but 4 of them behaved as described. Today I tested them in a low humidity room, 45% and they still do it. Should I conclude they are no good?
as far as testing go. there is no difference. In fact you can test MOSFETs the same way. just substitute EMITTER for SOURCE and COLLECTOR for DRAIN. N-channel are like NPN and P-channel are like PNP. Hope this helps
John, if you need more i got 3 of those CM150DU-12F, think $50/ea
I have some CM150DU-12F Dual IGBT´s and 3 ofthem tested ALMOST the same as above except for when I remove my finger from the gate terminal the bulb gradually fades to zero in about 3 seconds. It´s very humid where I live. Does this mean my units are defective??
It looks like then you have a leaky substrate in them. I'd go ahead and try to use them for experimenting with. But I wouldn't use them to repair someone VFD drive with.
Sir can we repair the faulty one?
that was really simple....good
touching the terminal of the battery and one finger on the igbt turns it on and a bulb lights on bright. by it size it looks like a 40 watts bulb,
if so why do we do the switching of IGBT with 14 to 22 volts is that not a damaging factor
Awesome! Nice and simple!
Is it a good idea to use the IGBT as driver for 5W laser diode, it consumes 3.5A-4A.
I did same test with my mg15n6es42 igbt brick 6xigbt. In resoult i can tell that this test could not work if igbt have gate protection diodes, when igbt is working propelly.
Im the suscrip number 1000! Excelent video
how do i know which is collecter and which one is emitter? theres no letters just numbers...1.to.7, could you take me step by step through testing my IGBT, as ive tested two IGBT bricks,and light comes on but doesnt stay on for both,
good demo, thanks.
Wery interesting test, thanks for your work :)
Hello. I have a dual darlington transistor module (Powerex KD324515). I have performed this test, but it didn't work with my brick. I haven't got any battery like in the video, so I used a 15V DC adaptor. I could switch on the lamp, only when I changed the polarity. In this case the lamp was switched on continously. When I touched one of B1, B2, E1, E2 tabs with the positive pole, and hold it, the lamp was turned off. If I release it, the light was turn on again. Does it work well?
KD224575
KD224575HB
KD324510
KD324510HB
KD324515
KD324515HB
KD421210
KD421210A7
best regards
sales@asiantx.com
The vid is IHMO ok, thanks for it.
But it could be very dangerous, to leave the gates open when the unit isn't being used. (Your first brick hadn't a visible safety diode or short circuit between G and E.)
I duplicated your test with 12Vdc battery on 6 each, FZ800R12KE3. Same result as yours with the exception that my gates seem to charge (3 seconds) and discharge (5 seconds) slowly, like turning up and down a dimmer switch, not instant on and off as your demo. I needed to hold my finger on the gate for the full time it took for the gate to charge and discharge. These IGBTs are used and suspect, that is why I am testing them. Do you have an opinion about the behavior of my test?
IGBT module has a capacitor inside for gate area. SO you will need positive to close gate and negative to open gate.
FZ3600R12KE3
FZ400R12KE3
FZ400R12KE3S
FZ400R12KS4
FZ400R65KF1
FZ600R12KE3
FZ600R12KE3S
FZ600R12KS4
FZ600R65KF1
FZ800R12KF4
FZ800R12KL4C
FZ800R12KS4
FZ800R12KE3
FZ800R16KF4
FZ800R17KF6C_B2
FZ800R33KF2
FZ800R33KL2
need any item, please kind contact us. Email: sales@asiantx.com
Excellent
Thanks
(realscientist)...
thanks for the info, now i know how to use my new igbt, but, after 5min playing with him he was dead =/ ^^
Pls how can test IGTB of single one
Could anyone have the same question as me,for the poster of this video??
Im sure using your finger to trigger this device it is a good or a proper method ??
What else you can do to trigger it and can you apply higher voltages, for example 220V ??
You can use resistor instead of body resistance...
Are you the poster of this video??
Anyway thank you for your reply but what
it would be the value of the resistor, plus can you apply 220V to this device ??
Andreas Chris sorry i'm not a ts. Usual body resistance is about couple mOhm. I advice you to look for "datasheet" for your semiconductor!
thx for the info...
What is the maximum operating frequency of this transistor?
Around 18 to 20KHz. Not quite as high as a mosfet.
Thank you
good knowledge
thanks, I appreciate, it was very helpfull
THANK YOU SO MUCH ....
Most MOSFETs and IGBTs can only handle a gate drive voltage of about 15volts max.
Thank you
Hi ! Dear Sir Pls help me how can test thyristor SEMIKRON SEMIPACK SKKT 57B 12 E and 16 E
hi we supply thyristor SKKT106/12E SKKT250/16E SKKT250/18E SKKT253/12E SKKT253/16E
SKKT253/18E SKKT27/12E SKKT27/16E SKKT56/12D SKKT57/12E SKKT57/16E
SKKT71/12 SKKT92/16
best regards
sales@asiantx.com
👍👍
buenisimo gracias.
Thanks.
Awesome. That works great for a good IGBT, but if the gate is shorted to the cathode, you'll know it cause it'l kill ya.
nice
Complete parameters setting show
I would not recommend it. It could be done but it would not be efficient. IGBTs are mainly used in high voltage switching applications. I would use a power MOSFET instead.
I think you mean "Switchcraft"
Oops I was going to say that the light,
شهد
The
👍👍