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Old 05-01-2016, 01:19 AM #1
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Default What kind of diode do I need

I recently bought a cheap Chinese laser you know one of those that said 10000mw 10w blue burning laser I'll add the posting in here. Well anyways push comes to drop it doesn't work anymore and I really did like it. So what is the diode that was in it so I can replace it anyone know


Ps all info I have on it
Output wavelength 450-660nm
Average power 10000mw
Security class:class IV
Circuit controller:5V(reverse voltage protection)
Spot shape:dot
Battery :2*16340
Spot size at 10m: <c18mm
Focus mode:adjustable
Working current: 1.6A
Working voltageC 3.7V
Start-up voltageC 2.5V
No preheat time
Working temperature-10deegrees C- +30 C


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Old 05-01-2016, 01:38 AM #2
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Default Re: What kind of diode do I need

More than likely it was just a 1-2 watt 445 diode which if you know how to take it apart you can easily install another one unless the driver failed as well, not sure but DTR has a pretty good selection of diodes. I would def try yourself, it would probably be worth it to not throw the host away, a lot of these guys know more than I do so they could further help.
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Old 05-01-2016, 01:42 AM #3
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Default Re: What kind of diode do I need

Thank you I think your on the right track I still do have the driver and the only problem with the diode is that the little wires are broken off
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Old 05-01-2016, 01:44 AM #4
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Default Re: What kind of diode do I need

Quote:
Originally Posted by Cputech View Post
Output wavelength 450-660nm
Wtf?

I know chinese lasers are always off-spec, but that's the first time I've seen that type of wavelength description. Good thing you mentioned it was blue!

Anyway, it's not worth replacing the diode as the price of one of DTR's blues will probably run you more than what you paid for the laser itself, so you could just get another laser. Are you sure it's the diode that's busted? Stick around in the forum if you wanna get into lasers and find some quality sources and even build your own!
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532nm: Custom made GITD Pocket laser: ~133mW
532nm: Chrome laser pen: ~50mW
532nm: eBay 303: ~60mW
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462nm: M462 Pocket Build: 1W
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Old 05-01-2016, 01:49 AM #5
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Default Re: What kind of diode do I need

Thanks but there are some Chinese sites that have diodes for 20 to 30 or less I just got to know what kind. The closes I found is a Chinese 9mm 405nm 10000mw 10w diode
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Old 05-01-2016, 01:49 AM #6
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Default Re: What kind of diode do I need

Quote:
Originally Posted by Cputech View Post
I recently bought a cheap Chinese laser you know one of those that said 10000mw 10w blue burning laser I'll add the posting in here. Well anyways push comes to drop it doesn't work anymore and I really did like it. So what is the diode that was in it so I can replace it anyone know


Ps all info I have on it
Output wavelength 450-660nm
Average power 10000mw
Security class:class IV
Circuit controller:5V(reverse voltage protection)
Spot shape:dot
Battery :2*16340
Spot size at 10m: <c18mm
Focus mode:adjustable
Working current: 1.6A
Working voltageC 3.7V
Start-up voltageC 2.5V
No preheat time
Working temperature-10deegrees C- +30 C
If that's truly a 1.6amp driver you could put a m140 in there, soldering diodes is no joke, ya have to be fast so as not to overheat the diode. I would make sure the driver is good first

It should be 1w+
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Nbd7875 445nm
M140 m445nm
Plt450b 445nm
Pl520 520nm
Mitsubishi 500 638nm (ml501p73)
Lpc826 650nm

Last edited by VirtueViolater; 05-01-2016 at 01:51 AM.
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Old 05-01-2016, 01:51 AM #7
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Default Re: What kind of diode do I need

Quote:
Originally Posted by ElectricPlasma View Post
Wtf?

I know chinese lasers are always off-spec, but that's the first time I've seen that type of wavelength description. Good thing you mentioned it was blue!

Anyway, it's not worth replacing the diode as the price of one of DTR's blues will probably run you more than what you paid for the laser itself, so you could just get another laser. Are you sure it's the diode that's busted? Stick around in the forum if you wanna get into lasers and find some quality sources and even build your own!
Actually you're right those things are pretty cheap. Besides havnt you heard of blue red lasers!? 450-660? Lol! Jk. Yeah building your own can be a lot of fun plus last longer. Lmao still haven't even built my own yep :P I'll get to it eventually.
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462nm 1670mw (avg) Jetlasers Equality
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520nm 188mw Scifi lasers.
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Old 05-01-2016, 01:52 AM #8
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Default Re: What kind of diode do I need

Quote:
Originally Posted by Cputech View Post
Thanks but there are some Chinese sites that have diodes for 20 to 30 or less I just got to know what kind. The closes I found is a Chinese 9mm 405nm 10000mw 10w diode
He's right, stick around here man, you'll love this place and learn so much. This is like my Facebook now lol
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445nm 1220mW Scifi 501b
445nm 598mw trustfire mini. thanks Raz.
445nm 1000mw Sky-Laser handheld (soon)
450nm 1690mW c6 pltb450b build
462nm 1670mw (avg) Jetlasers Equality
520nm 95mw Osram PL520 C6 Build
520nm 188mw Scifi lasers.
532nm 50mw(38mw) Lazerer
532nm 101mw Streamlight stylus Pro (thanks Pman)
532nm 92mw River Rock Pman build
638nm 531mw Oclaro C6
650nm 121mw Wicked laser P125
650nm 186mW Rayfoss 14500 host
650nm 230mw Pman build!! Might be my Favorite.

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Old 05-01-2016, 01:54 AM #9
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Default Re: What kind of diode do I need

I tell you what if anyone knows what diode to use that can burn as good as the other one that would also be good this laser has paid for itself 2 fold now and was working on 18 fold when it broke so any ideas are greatly appreciated.
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Old 05-01-2016, 01:55 AM #10
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Default Re: What kind of diode do I need

Quote:
Originally Posted by Cputech View Post
Thanks but there are some Chinese sites that have diodes for 20 to 30 or less I just got to know what kind. The closes I found is a Chinese 9mm 405nm 10000mw 10w diode
Lol, a 10w 405nm diode. This is why you don't buy from china. Like VV said, you could get an m140 but it might run you more than the laser itself. A 1W 445nm diode won't be as cheap as you think, it's usually over 40-50 dollars depending on what you're looking at


Quote:
Originally Posted by VirtueViolater View Post
If that's truly a 1.6amp driver you could put a m140 in there, soldering diodes is no joke, ya have to be fast so as not to overheat the diode. I would make sure the driver is good first
I've surprisingly never soldered a diode, only bought em in modules, can they really get damaged from overheat from soldering? Doesn't sound right to me
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-=====[]
────────────────────────────────────────✺

632.8nm: Melles Griot HeNe, 1mW
532nm: Custom made GITD Pocket laser: ~133mW
532nm: Chrome laser pen: ~50mW
532nm: eBay 303: ~60mW
465nm: 07E Laser Box Build: 4W
462nm: M462 Pocket Build: 1W
450nm: Stainless Steel NUBM44 Handheld: 6.8W
445nm Pocket Series from Podo (Sanwu): 500mW
405nm: eBay pen

Keep yourself safe. *link*
-=====[]
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Old 05-01-2016, 01:56 AM #11
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Default Re: What kind of diode do I need

I have a 3pin diode quick connect to test any ideas on a cheap burning diode
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Old 05-01-2016, 01:59 AM #12
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Default Re: What kind of diode do I need

Quote:
Originally Posted by Cputech View Post
I tell you what if anyone knows what diode to use that can burn as good as the other one that would also be good this laser has paid for itself 2 fold now and was working on 18 fold when it broke so any ideas are greatly appreciated.
You need to know what size that diode is. It probably a 5.6 mm 445, you want one that runs good at 2.6a. The m140 meets the requirements if the old diode is 5.6. If you take the lens out and take a pic of it may be able to tell. I doubt if it's 9mm
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Diodes in my collection:
Nubm44 445nm
Nbd7875 445nm
M140 m445nm
Plt450b 445nm
Pl520 520nm
Mitsubishi 500 638nm (ml501p73)
Lpc826 650nm
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Old 05-01-2016, 02:07 AM #13
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Default Re: What kind of diode do I need

I can't send a photo I don't know how to size it down to 800 600 on a iPhone 6
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Old 05-01-2016, 02:21 AM #14
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Default Re: What kind of diode do I need

Quote:
Originally Posted by ElectricPlasma View Post
Lol, a 10w 405nm diode. This is why you don't buy from china. Like VV said, you could get an m140 but it might run you more than the laser itself. A 1W 445nm diode won't be as cheap as you think, it's usually over 40-50 dollars depending on what you're looking at




I've surprisingly never soldered a diode, only bought em in modules, can they really get damaged from overheat from soldering? Doesn't sound right to me
Wehooo Jesus! Just imagine a 10w 405nm lmao! Talk about astronomically insane!
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405nm Sky-Lasers 89mw pen series
405nm 801mw C6 build 16X G2
445nm 1220mW Scifi 501b
445nm 598mw trustfire mini. thanks Raz.
445nm 1000mw Sky-Laser handheld (soon)
450nm 1690mW c6 pltb450b build
462nm 1670mw (avg) Jetlasers Equality
520nm 95mw Osram PL520 C6 Build
520nm 188mw Scifi lasers.
532nm 50mw(38mw) Lazerer
532nm 101mw Streamlight stylus Pro (thanks Pman)
532nm 92mw River Rock Pman build
638nm 531mw Oclaro C6
650nm 121mw Wicked laser P125
650nm 186mW Rayfoss 14500 host
650nm 230mw Pman build!! Might be my Favorite.

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Old 05-01-2016, 02:34 AM #15
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Default Re: What kind of diode do I need

Ok here is the one I got anyway now you might know the exact diode Spring Sale! cheapest Blue 2W laser pointer with strong and beautiful laser beam free laser glow stick - $129.00 : High power laser pointer store, LuckLaser focus on laser pointers.
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Old 05-01-2016, 02:34 AM #16
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Default Re: What kind of diode do I need

Quote:
Originally Posted by ElectricPlasma View Post
Lol, a 10w 405nm diode. This is why you don't buy from china. Like VV said, you could get an m140 but it might run you more than the laser itself. A 1W 445nm diode won't be as cheap as you think, it's usually over 40-50 dollars depending on what you're looking at




I've surprisingly never soldered a diode, only bought em in modules, can they really get damaged from overheat from soldering? Doesn't sound right to me
You can certianally shorten thier life, m140's $37 at dtr
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Diodes in my collection:
Nubm44 445nm
Nbd7875 445nm
M140 m445nm
Plt450b 445nm
Pl520 520nm
Mitsubishi 500 638nm (ml501p73)
Lpc826 650nm
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