Trying to replace this part but struggling to figure out what it is? I thought it was a 5 ohm resistor but now am starting to thinking it might be a diode. Any help is appreciated.

 

5 is definetly not SMD mark for 5 ohm resistor. After googling it looks like it is diode indeed, but there are various types of diodes that have the mark "5" (at least according to google). Some are Zener... others not... it would be best if you can tell us the device so we can try to find a circuit diagram, to be 100% sure.

 

This is a knockoff EV2400 TI battery management test evaluation board. The TI version is very expensive so I went with a knockoff HPA500 since I am a hobbyist.

The schematics for the EV2400 (https://www.ti.com/lit/ug/sluu446b/...yes&ref_url=https://www.mouser.com/&distId=26) are well-documented but don't look all that similar to the HPA500. I have not found any schematics for the HPA500.

The HPA500 worked fine until I accidentally shorted two wires and blew this component. :-(

Being a diode makes sense since this is connected directly to the power source which in this case is a USB adapter.

Here are some additional photos. The part in question is in the top right hand corder.

 

Trying to replace this part but struggling to figure out what it is? I thought it was a 5 ohm resistor but now am starting to thinking it might be a diode. Any help is appreciated.

View attachment 342672

The 472 are clearly 4K7 resistors to limit current to 1mA, for each of the LEDs. But I have no idea with the "5" item is, it makes no sense in conjunction with an LED. Can you get a better angle that shows how the traces from "5" component go towards the LED. Right now the LED is blocking them.

 

Here is a better view.

 

One more image

 

I appreciate the help. I suspect this isn't the only component I destroyed. Since I didn't pay much for this knock-off, I am going to purchase a second one. Not worth further troubleshooting. Thanks all.

 

To satisfy our curiosity; I assume that you have a DMM?
If so, could you measure the component with the resistance or diode functions?
It may be worthwhile to desolder the component from the board to avoid false readings.

 

One more image

This is a fantastic picture. Can you enlarge it slighly on left and right so we can see where a few more traces go. In looking at this, you will notice that the "5" item has a thicker trace going to the 472 resistor to LED- which likely means power is coming through the "5" item. That power-trace from the "5" item also goes to something off the right edge of your picture that also might help us figure out what it is.

At this point, I'm thinking it's a diode. I can't really see what else you'd put inline with a resistor to an LED on a power-trace.

 

https://smd.yooneed.one/code3500.html

 

Hmmmm…
According to the shared webpage, it could be anything between a zener and a varactor diode.
If I had to make an educated guess, based on the position, I would say it is a zener.
Hopefully the TS can check its polarity with his DMM.