I just got quantity 5 of LM35DZ (temperature sensors) from China via eBay. Put one in a circuit, 5 volt power supply. The output is floating. I checked the other parts with an ohmmeter. There doesn't seem to be any conduction between any of the pins. I would think that when I measure across the power pins, there should at least be a tiny bit of current flowing? It's as if there are just 3 wires coming out of a TO-92 package, with nothing inside. The parts are marked
(N)36RA
LM35
DZ
where the (N) is the National Semiconductor logo.
I'm thinking the parts are all bad, but have no experience with how this component works. Am I doing anything wrong? The seller has an excellent 99.8% feedback rating.
(N)36RA
LM35
DZ
where the (N) is the National Semiconductor logo.
I'm thinking the parts are all bad, but have no experience with how this component works. Am I doing anything wrong? The seller has an excellent 99.8% feedback rating.