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I have an SMD component containing two pads. There is a label on the surface of the component: 200A in one row and 06A in second row. I suppose the component is a diode but I don't know what kind and how I can buy it.

enter image description here

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This is a Vishay part (logo at the bottom).

The marking tells us:

  1. marking band: unidirectional type
  2. 1st line: 200A -> google 200A vishay diode turns up: datasheet
  3. 2nd line: 06A -> datecode: 2010, June in factory A (wherever that is)

Another hint to support this finding is the component name on the board. TRSB is an abbreviation for transorb diode which is a transient voltage suppressor, so we probably found the right thing.

Conclusion: It's a P4SMA200A. For purchase of this type have a look at Vishay distributors which are available in your region.

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Its a P4SMA200A Transient suppresion diode.

Looked for some info here: http://www.ecadata.de/

Then on the datasheet: You can find "200A" Here

You can buy for example from Mouser or DigiKey.

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  • \$\begingroup\$ Thanks for the answer. I tested it with a multi meter (Continuity) and its beeps in both directions. I am guessing that its not right, am i correct? \$\endgroup\$ – Nir Carmona Oct 7 '15 at 15:07
  • \$\begingroup\$ @NirCarmona are you measuring that in circuit or on the component alone? If it's on the component alone it's not ok, inside the circuit there might be other current paths available to fool your continuity mode. \$\endgroup\$ – Arsenal Oct 7 '15 at 15:34
  • \$\begingroup\$ Measuring on the component alone. \$\endgroup\$ – Nir Carmona Oct 7 '15 at 15:39
  • \$\begingroup\$ @NirCarmona then it seems to have failed in short circuit (you could try to measure the resistance in both directions which will give you a better value to judge). \$\endgroup\$ – Arsenal Oct 7 '15 at 16:05
  • \$\begingroup\$ If it failed in circuit other things could have problems as well, merely replacing it may not solve all issues \$\endgroup\$ – Wesley Lee Oct 7 '15 at 18:50

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