How to Identify an Unknown Electronic Component from Image or Markings?

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#1 21675986 28 May 2016 23:14

Sourav Kumar Sourav Kumar

Anonymous

Post #1
21675986 28 May 2016 23:14

sir,

i have got this component from my friend

but i dont know what is it

so please help me

i have attached an image file below
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#2 21675987 30 May 2016 19:55

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21675987 30 May 2016 19:55

Hi,

I'm not so sure, but it looks like an Infrared Sensor. From the casing it has, it can also be a LED. It would be best to test it and see the output. Also, you can ask your friend what it is since you got it from him/her.
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#3 21675988 31 May 2016 00:33

Sourav Kumar Sourav Kumar

Anonymous

Post #3
21675988 31 May 2016 00:33

Sir,
I know how to test LED
But I don't know how to test Infrared sensor
So please give me suggestion to test infrared sensor
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#4 21675989 31 May 2016 18:31

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #4
21675989 31 May 2016 18:31

Check if this might help, http://www.instructables.com/id/PIR-Motion-Sensor-Tutorial/step4/Testing-your-PIR/
Old TV indicator bulb identified by 22 V rating
#5 21675990 31 May 2016 22:32

Sambath Kumar Sambath Kumar

Anonymous

Old TV indicator bulb identified by 22 V rating
Post #5 21675990 31 May 2016 22:32

Hi Sourav Kumar,

I think it is an old type of indicator bulb mostly used in older models of color tvs as channel indicators which works on a max of 22v anyhow dont apply 22v .
check the resistance of the bulb with a multimeter, apply dc usig a variable power supply
vary slowly from 0 to 12v. these bulbs were use during the year 1980 to 2000.after that
i think it disappeared fr the market.
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How to Identify an Unknown Electronic Component from Image or Markings?

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