Can anybody tell me the input voltage of an IR Emitter or IR Blaster with a standard 3.5 mm connector? And, if there are different ratings, where can I go shopping? It seems like a simple enough question, but I can't find the answer anywhere. Thank you very much.

 

An IR emitter is a current device and the voltage is not relevant as long as it is above the threshold for the device. Atypical threshold might be in the 1-2 volt range. the current can be anywhere from a few milliamps to nearly and ampere when the device is pulsed. Are you looking at a datasheet for some device?

OK, I see now that an IR Blaster is a complete product. I thought you were talking about an IR LED. I assume you've looked at the user manual and it says nothing.

 

An IR emitter is a current device and the voltage is not relevant as long as it is above the threshold for the device. Atypical threshold might be in the 1-2 volt range. the current can be anywhere from a few milliamps to nearly and ampere when the device is pulsed. Are you looking at a datasheet for some device?

OK, I see now that an IR Blaster is a complete product. I thought you were talking about an IR LED. I assume you've looked at the user manual and it says nothing.

You assume correct.

 

So there is nothing the the way of a drawing of the connector showing the connections on the 3.5mm ploug/socket? We don't have a whole lot to work with here. What makes you think power is delivered through that connector?

 

So there is nothing the the way of a drawing of the connector showing the connections on the 3.5mm ploug/socket? We don't have a whole lot to work with here. What makes you think power is delivered through that connector?

There is only one connection. It's a 3.5 mm jack.

 

The jack is the thing that the plug goes into. What is on the end of the cable in your picture is a plug.

Looking at the device and looking online I can't tell if the device you have is supposed to be an input device or an output device. There seems to be a convention that if the jack is labeled "IR INPUT" then it is for a device that allows the IR sensor to be outside a cabinet. If the jack is labeled just IR then it is a blaster(emitter) that is used to control another piece of equipment. I don't see any good way of determining voltages used unless you hack a piece of equipment.