How to test MOSFET in circuit using multimeter, how to test MOSFET transistor with 8 and 3 terminals

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  • Опубликовано: 15 янв 2025

Комментарии • 103

  • @electronicsrepairbasics_erb
    @electronicsrepairbasics_erb  Год назад

    Buy Repair Tools👇👇👇
    northridgefix.com/shop/?ref=ERB_23

  • @Lee-haw
    @Lee-haw Год назад +4

    Best explanation of the mosfits on RUclips! 👏
    Great work

  • @johnontita6845
    @johnontita6845 5 месяцев назад +3

    new skill is added to my career.thanks sir

  • @samuelmatos9124
    @samuelmatos9124 2 года назад +2

    Thank you!! that is what i was looking in the internet, the practical electronic. you are the best!!

  • @helmuthrendl6560
    @helmuthrendl6560 Год назад

    The best Channel. Thank you for teaching...

  • @نايفعجبتنيكثيرانابحبالقطهامينه

    Merci pour votre explication aussi bien explique bravo a vous merci pour la video

  • @mike-yp1uk
    @mike-yp1uk Год назад

    I really appreciate the examples and the readings along with explanation of them.

  • @kabandajamir9844
    @kabandajamir9844 7 месяцев назад +1

    The world's best teacher thanks sir

  • @dilshanmaduranga9495
    @dilshanmaduranga9495 Год назад

    Best explanation of the mosfits on RUclips! 😍😍

  • @surgingcircuits6955
    @surgingcircuits6955 2 года назад +2

    With some practice, I think I will finally get MOSFETs thanks to your video. Thx!

  • @WonderWomanlovesSuperman
    @WonderWomanlovesSuperman 7 месяцев назад

    You are so good at explaining this!!

  • @santhoshc4818
    @santhoshc4818 Год назад

    This video is realy helpfull thank you 👍🏻

  • @jamesnagib9141
    @jamesnagib9141 2 года назад

    great video is useful

  • @munirahmedmunirahmed2432
    @munirahmedmunirahmed2432 2 года назад

    Thanks for good information

  • @eniltoh
    @eniltoh Год назад

    Thanks your video, I managed to find out the mosfet FHP100N07 was the fault. Swapped out parts from donor board and my e-scooter is now working

  • @maxwarfield6699
    @maxwarfield6699 Год назад +4

    Most complete video for mosfets - thank you! But I was told that a way to remember what NPN means, is to think of the letters standing for: Never Pointing iNward but the arrows in your picture of the NPN mosfet shows the arrow pointing from the source to the gate - inward. I was also told to remember PNP as meaning: Pointing iNwards Perpetually. So, what is right and what is wrong? Please let me know, I want to learn. Thank you

    • @electronicsrepairbasics_erb
      @electronicsrepairbasics_erb  Год назад +1

      Thanks for the info!

    • @maxwarfield6699
      @maxwarfield6699 Год назад +1

      @@electronicsrepairbasics_erb Ok, but you haven’t answered my question.

    • @dzabakwesi2213
      @dzabakwesi2213 Год назад +1

      I think you are right. The image at 5:57 is rather N Channel mosfet which is PNP.

  • @barcaking17
    @barcaking17 2 года назад

    u r the best thx

  • @remancupido5323
    @remancupido5323 2 года назад

    thanks a lot sir

  • @vkdem
    @vkdem 2 года назад

    Thank you.

  • @chol5808
    @chol5808 7 месяцев назад +2

    Love the voise manipulation lol spooky tech.

  • @Bantus
    @Bantus 2 года назад

    Well explained 🙌

  • @chathu-mb1xg
    @chathu-mb1xg Год назад

    Very good video. Thank you very much. 😊❤

  • @nabenf7727
    @nabenf7727 2 года назад +8

    hello, I followed your explanations carefully but I always have a double reading on the 3-leg smd mosfets, so it is impossible to determine which channel it is pnp or npn since when I change the probes it also shows me a reading on the same legs I'm a little lost I expected that there is only reading in one direction as you have shown, except that all the mosfets that I tested with 2 different multimeters do exactly that the same things double reading, on the same type of mosfets as in your videos and on functional and non-functional cards, I do not understand the 2 readings are satisfactory and displays good resistance on both sides impossible to know which channel is it, are there any exceptions? I do not understand anything anymore. thank you to enlighten me.

    • @digigarb
      @digigarb Год назад +2

      Same here...........

    • @kaveyakubu4940
      @kaveyakubu4940 6 месяцев назад +1

      I guess the best way to test those transitions is to remove them from the board and test. If not u sometimes experience most of those readings or results

  • @kakysamir9681
    @kakysamir9681 2 года назад

    Thanks you

  • @haydenm315
    @haydenm315 Год назад +1

    I'm see a similar voltage reading between source and drain regardless of positive/negative lead orientation. Is this an indication of a shorted diode?

  • @izazulfaiz
    @izazulfaiz 7 месяцев назад

    his teaching is very clear, i learn many things from him..but sometime i could not catch up nad understand some things as i do not understand..

  • @moonshine3657
    @moonshine3657 Год назад +1

    if it beeps with a low reading does that mean your mosfet is short circuited and considered a bad mosfet? I checked all mosfets and every mosfet beeped when i check it with a multimeter with a low reading?

  • @knowledgetreasure-1523
    @knowledgetreasure-1523 Год назад

    this is great chanel i hope you focus on desktop motherboard

  • @mustafa75ful
    @mustafa75ful 2 года назад

    thx

  • @NerdThingsAndMore
    @NerdThingsAndMore 8 месяцев назад +1

    Thanks

  • @GetachewAdise
    @GetachewAdise Год назад

    tx sir

  • @crazydwarfer
    @crazydwarfer 11 месяцев назад

    It would be also awesome if you showd how the shorted or bad mosfet reacts :)

  • @ElectricalEngineering-sx7fd
    @ElectricalEngineering-sx7fd 10 месяцев назад

    Good job

  • @Steadyeddie100
    @Steadyeddie100 Год назад

    Great video as allways well explained 👍could you tell me how to read the markings on smd mosfet to buy replacement, as been repairing a motherboard and have n channel that I need to replace, but have no idea how to order or get a replacement many thanks in advance

  • @LaxmanSingh-wh9vy
    @LaxmanSingh-wh9vy 9 месяцев назад

    very good

  • @trimerista
    @trimerista 2 месяца назад

    How to know which one is enhance or depletion mosfet?

  • @خالدباشميل-ب9و
    @خالدباشميل-ب9و 10 месяцев назад

    I like ore your video

  • @computerguy7213
    @computerguy7213 Год назад

    i am testing a mosfet that is an TPCA8A10-H . I believe it is a Schottky barrier . between source and drain i am getting 22mA's .022. seems low to me. there are several, they all get the same. are they good? on the data sheet is this the forward voltage?

  • @jonathanjY2K
    @jonathanjY2K 11 месяцев назад

    You did a excellent job teaching and explaining but please edit the audio, some simple planning and audio peak monitoring. Audio can make or break the experience. Apologies for unsolicited feedback

  • @mustaphayahaya4393
    @mustaphayahaya4393 2 года назад

    Well explain video! Could you pls show us how to identify sound, keyboard e.t.c ic

    • @electronicsrepairbasics_erb
      @electronicsrepairbasics_erb  2 года назад

      Hi,
      The reply is in my channel:
      Video title "Laptop motherboard components names & functions explained"
      Regards,

  • @Mobin92
    @Mobin92 2 месяца назад

    What about the Left pin?

  • @taricwalters8750
    @taricwalters8750 15 дней назад

    Thanks man

  • @said-nana70
    @said-nana70 2 года назад

    Peace be upon you. Please, any information about this electronic piece. Is it two Schottky or Mosfet? For information, it is on the LED TV panel C2 OM thank you

  • @lucabarattini3184
    @lucabarattini3184 Год назад

    Quick question: are mosfets marked always with a Q in a pcb or can the get anothet letter? As I've come across an U transistor in a circuit which should be a mosfet itself

  • @PolyCube71
    @PolyCube71 Год назад

    I have the same 4-pin Mosfet on my pcb. I checked source and drain. The number jumped to 800 and was still climbing above 900 and then it went to 0L. I think it's bad, isn't it?

  • @etiennewilson3813
    @etiennewilson3813 Год назад

    Please I have a laptop and when I test all the MOSFET around the processor with a multimeter set on diode I discovered that it reads from the gate to source, gate to drain and source to drain with all high recistance

  • @KalaleMuneku-uk4pt
    @KalaleMuneku-uk4pt 7 месяцев назад

    Why is the reference showing "U" for mosfets instead of "Q"?
    In the other video you said U is the reference for intergrated circuit

  • @arslan881
    @arslan881 Год назад

    Sir how we can test Lm2592hv regulator with multimeter

  • @tunkunrunk
    @tunkunrunk 2 года назад

    I have a faulty Lenovo all in one 330 computer, it doesn't switch on . I got it dissasembled , I tried to check the components , and I noticed that when I pluged the power supply , a 8 pins mosfet near the power jack/socket was getting hot . I checked the mostfet , the drain , the source and the gate are good . Theres a ceramic smd capacitor 1cm away from the Mosfet , and when I check this capacitor in continuity mode theres' no reading , "I " is displayed , even when I reverse the probres , what could ne the problem ?

    • @electronicsrepairbasics_erb
      @electronicsrepairbasics_erb  2 года назад +2

      Check all components near to that hot mosfet you will find the failed components, usualy it can be a diode or a mosfet.

    • @IS-77
      @IS-77 2 года назад +2

      Hi. am assuming that you are referring to the first mosfet after the charging port. First check if you have a 19. 5 voltage on the output of the first and second mosfet... If you dont have output voltage after the firstmosfets, try replacing that mosfet thats getting hot🔥. Let me know....

  • @tunkunrunk
    @tunkunrunk Год назад +1

    Sir , your explanations confuse me . In my motherboard , 4 8-pins mosfets near the CPU give continuity between source and drain even if I reverse the probes , but I have no continuity between gate and source . There is another serie of mosfets on the same motherboard, near the power socket , they give reading between source and drain in both way , but no continuity . among them are two 8-pins mosfets where I get no continuity , no reading between the 4 pins of the drain

    • @electronicsrepairbasics_erb
      @electronicsrepairbasics_erb  Год назад +2

      Remove the CPU and the short will disappear

    • @tunkunrunk
      @tunkunrunk Год назад

      @@electronicsrepairbasics_erb you were right , the short disappear even on the back side of the PCB

  • @surgingcircuits6955
    @surgingcircuits6955 2 года назад +1

    I think in this video, a "good MOSFET" is a DEPLETION MODE MOSFET vs an ENHANCED MODE MOSFET. Correct?

    • @surgingcircuits6955
      @surgingcircuits6955 2 года назад +1

      In looking further, I see that your ENHANCED MODE MOSFET has a diode between drain and source allowing flow from source to drain. Also, that PCB can confuse you as you watch because MOSFETs 1 & 4 have pin 1 top left, and 2 & 3 have pin 1 bottom right.

    • @trimerista
      @trimerista 2 месяца назад

      There are P and N channel mosfets.... Both can be enhance or deplete(stop), there is no difference .... Difference is, the mosfet can switch off or switch on current ... In case switch off , mosfet is always on ... when it receives on gate voltage it switches off the flow of current

  • @hydrogen2sulfide676
    @hydrogen2sulfide676 Год назад +5

    whistling is annoying

    • @hi-ccowboy7983
      @hi-ccowboy7983 9 месяцев назад +1

      Like a hillbilly missing a tooth.

    • @javiedshahul7751
      @javiedshahul7751 9 месяцев назад +1

      Yes more disturbance.... irritating

    • @kruk-tv
      @kruk-tv 4 месяца назад

      😂

    • @fzigunov
      @fzigunov 4 месяца назад

      I already hate him for putting this out there

    • @GoddenTusiime
      @GoddenTusiime 3 месяца назад

      😂

  • @ericcloudbolduc8840
    @ericcloudbolduc8840 Год назад

    I keep seeing a fake elon musk add on your page... Why am I seeing 4 ads in a 12 minute video.

  • @rejiraju6042
    @rejiraju6042 Год назад

    What you are saying...

  • @Millzieeeee
    @Millzieeeee 10 месяцев назад

    Bro just have the dentist fix your teeth

  • @Cidran100
    @Cidran100 2 месяца назад

    WTH is wrong with his voice?

  • @yanceygrayeyes6361
    @yanceygrayeyes6361 Год назад

    I really hate finding a good video that explains no decent stuff about components And it has to be. Watered down with a dude with a deep voice who Has a whistle to everything that he says. Like the old perverted dude on Family Guy kind of Annoying

  • @theebikeguy3852
    @theebikeguy3852 Год назад

    I have looked everywhere do you know where I can find. 3 pin
    GO65N07. AOL05NSS1A Mosfit? Thanks.

    • @electronicsrepairbasics_erb
      @electronicsrepairbasics_erb  Год назад +1

      Hi,
      Do you check AMAZON Platform.

    • @theebikeguy3852
      @theebikeguy3852 Год назад

      ​@@electronicsrepairbasics_erb I did find on the top number is G065N07 but the bottom number on the mosfit is not the same number, I'm not sure if the bottom number on a mosfit is a Batch number or a nu.ber that is to indicate to the company what voltage it is good for. Hope this makes sense thank you for responding

  • @izazulfaiz
    @izazulfaiz 7 месяцев назад

    his teaching is very clear, i learn many things from him..but sometime i could not catch up nad understand some things as i do not understand..