1
\$\begingroup\$

I need help identifying an smd diode (see picture) It appears to have 5423 written on it, but I can't find anywhere a diode by this code. I did however find an smd diode by googling 5243 (I figured that it I might have to read it vertically, not horizontally). Also, 1 of these reads 0.1 when tested with multimeter and another reads 0.2. I have desoldered them both to be 100% sure and the result remained the same. Does that mean the one with 0.1 voltage drop is the bad one? I also tried switching multimeter leads, both read OL as expected. Also, I measured resistance: the one with 0.1 voltage drop read 200-300 ohms, whereas the other one was OL (that's while probing using the correct polarity). After switching multimeter leads it read OL resistance for both diodes. Thank you in advance!

smdO diode

\$\endgroup\$
  • \$\begingroup\$ "It appears to have 5423 written on it" - I read 5324. \$\endgroup\$ – try-catch-finally Mar 18 '17 at 18:11
  • \$\begingroup\$ Sorry, it was a photo of the wrong diode, so it solves the different reading I guess ^_^ \$\endgroup\$ – Linas Bagdanavičius Mar 18 '17 at 18:12
1
\$\begingroup\$

Probably it's RSX201L-30 Schottky diode (30V/2A). Datasheet: http://rohmfs.rohm.com/en/products/databook/datasheet/discrete/diode/schottky_barrier/rsx201l-30.pdf

\$\endgroup\$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.