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Old 04-05-2017, 04:05 PM #1
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Default Osram PLT5 488NM 60MW 5.6MM Laser Diode

Hi everyone i got a osram plt5 488nm 60mw 5.6mm laser diode on the data sheet it says maximum rating of 150ma i dont want to work it at this max rating will 130ma be ok for the diode thanx.



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Old 04-05-2017, 04:09 PM #2
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Default Re: Osram PLT5 488NM 60MW

Yes ... 130mA is fine...

Where did you manage to get a 488nm diode though?

Such an expensive diode for someone that seemingly doesn't know what they're doing...
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Old 04-05-2017, 07:27 PM #3
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Default Re: Osram PLT5 488NM 60MW

Would you be so kind as to post the data sheet?

Quote:
Originally Posted by evans965 View Post
Hi everyone i got a osram plt5 488nm 60mw 5.6mm laser diode on the data sheet it says maximum rating of 150ma i dont want to work it at this max rating will 130ma be ok for the diode thanx.
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Old 04-05-2017, 08:40 PM #4
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Default Re: Osram PLT5 488NM 60MW

Hi diachi i have built lasers before and have been soldering since i was 10 years old and stuff its just this diode was expensive and i was just a bit nervous thats all i just want to get it right first time and not blow the diode.
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Old 04-05-2017, 08:43 PM #5
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Default Re: Osram PLT5 488NM 60MW

Hi wizardg here is the link for the data sheet

http://www.osram-os.com/Graphics/XPi...PLT5%20488.pdf
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Old 04-05-2017, 08:48 PM #6
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Default Re: Osram PLT5 488NM 60MW

Should be fine to go under the recommended max current. Can't imagine that ever being an issue.
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Old 04-05-2017, 08:52 PM #7
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Default Re: Osram PLT5 488NM 60MW

The data sheet says max rating of 150ma would u go 140ma
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Old 04-05-2017, 08:53 PM #8
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Default Re: Osram PLT5 488NM 60MW

Quote:
Originally Posted by evans965 View Post
The data sheet says max rating of 150ma would u go 140ma

You can go to 150mA if you want, that's just the maximum current for specified power/lifetime etc. Anything below that but above lasing threshold is also fine.
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Old 04-05-2017, 10:30 PM #9
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Default Re: Osram PLT5 488NM 60MW

For many here this is the holy grail of diode wavelengths. Note in the spec sheet Parameter: standard operating conditions refer to a CW output power Popt= 60 mW. Here the max operating current is rated at 100 mA and Vf= 7.5 volts. I'm not saying that you can't drive this diode at 140 mA. Just wanted to point this out. An amazing find! Good luck.
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