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The lamp must not glow. The drive must go from MT2 to G.
How to test a triac. You may also like: The triac test circuit shown is incorrect and will not work as shown.
m10lz47 datasheet & applicatoin notes – Datasheet Archive
Wireless mains voltage tester. Now put the selector switch to a low resistance mode, connect the MT1 and gate to positive lead and MT2 to negative lead. Are these some other types of triacs, in behaviour or so, than the TIC ones? When you release the push button, you can see the lamp extinguishing. They are definately different.
If wired that way it datasheef work correctly.
(PDF) M10LZ47 Datasheet download
Thanks for pointing out. Your email address will not be published. Eric, MT1 and MT2 have to be reversed, as you say. MT1 and MT2 are labelled back to front. Circuit for testing a triac. If the above tests are positive you can assume that the triac is healthy.
Great step by step instruction. I have test this circuit with a TICM triac. Previous post Next post. IIRC the description of the datashete circuit has an error: But you cannot trigger the gate by connecting it to the same potential as MT1. Yes now it is ok and working Mt2 and Mt1 must be reversed otherwise it is not working I was tried many times I would like to thanks all of you for the tips. Trigger voltage m10lzz47 phase with MT2 at top to allow triac to operate in the first and third quadrants when AC is normally applied.
I just tested it on an actual part. Please correct the diagram.
The multimeter will now show a low resistance reading indicating the switch ON. Almost all type of triacs can be tested using this circuit. A multimeter can be used to test the health of a triac.
M10LZ47 Datasheet PDF –
Thanks for your help! Testing triac using a multimeter. This circuit is nothing but a simple arrangement to demonstrate the elementary action of a triac. The lamp must glow indicating the switching ON of triac.
MT2 label should be at the top and MT1 label at the bottom side with the gate. Please research this point and correct the fucking diagram, you retards, instead of wasting peoples time. First put the multimeter selector switch in a high resistance mode say Kthen connect the positive lead of multimeter to the MT1 terminal of triac and negative lead to the MT2 terminal of triac there is no problem if you reverse the connection.
MT2 should be at the top and MT1 at the bottom, next to the gate G.