Need help identifying a component

[bigbrew25]

Hey Guys,

Wondering if anybody knows what the marking "SI" stands for on a pcb.
In the photo, it is the component with the K on it. This is a daughterboard that is in an Edgewater Networks 2402 POE LF switch.

[stj]

Re: Need help identifying a component

the things with "K" on them are fuses.

[paulstef]

Re: Need help identifying a component

Yes they look like PTC resettable fuses.

[bigbrew25]

Re: Need help identifying a component

Thanks guys! I thought it was fuse, but couldn't find anything to verify it. "Resettable" is the key. Found them at Mouser.

http://www.mouser.com/ProductDetail/...CGq7NK9w%3d%3d