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Old 07-16-2013, 03:05 PM #1
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Default Need opinion on an idea

I recently overheat my 9mm diode while i was too amazed playing with it. Call me dumb/stupid. I totally forgot about the duty cycle
Now i thought of an idea, not sure if it will work, can someone good with electronic tell me if it will work good without damage to diode/driver? like spike, surge etc whatever bad things that happen
If i wire like this
power supply---->on/off switch---->thermal switch----->xdrive----->diode---->power supply



or
Code:
           +                                   -
           |                                   |
           |                                   |
         switch                                |
           |                                   |
           |                                   |
   thermal switch                              |
           |                                   |
           |                                   |
       driver +                          driver -
           |                                   |
           |                                   |
            -----(diode+)-------(diode -)-------


If it is ok, is 45deg a good value to turn it off or will 40deg much better?
Thanks for your time =D

the thermal switch is
1x Thermal Switch Normally Close 45? Metal Shell 250V 5A 45? | eBay



Last edited by unrealistic; 07-16-2013 at 03:32 PM.
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Old 07-16-2013, 04:06 PM #2
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Default Re: Need opinion on an idea

Looks good to me i think 45C would be better temp, assuming it is fast thermal switch otherwise 40 degrees and slow thermal, not much point if your thermal really doesn't cut in till
50C getting rather hot by then
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1375 mW 445 nm WL ARCTIC S3
2.3 watt 445 nm G2 -Cree Q5
3.1 watt +Adj 445 nm Blitzbuck V3.1 9mm SS Survival host

95 mW 532nm custom focus-able
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135 mW 532 nm focusable laser SD 303 x2
175 mW 532 nm custom focus-able

494 mW 532 nm O like Crown*
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115 mW 635 nm custom C6 host
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Old 07-16-2013, 04:11 PM #3
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Default Re: Need opinion on an idea

You will also need to put the thermal switch near the diode as to get best results, might be bit hard but
Its do able with some thought
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95 mW 405nm custom 501b
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125 mW 405 nm focus-able 501b
270 mW 405 nm 20MM Cannon shell focus-able
705 mW 405 nm focus-able 501b G2 lens

865 mW 445 nm Kryton Groove
1130 mW 450 nm focus-able custom
1175 mW 450 nm focus-able S4

1375 mW 445 nm WL ARCTIC S3
2.3 watt 445 nm G2 -Cree Q5
3.1 watt +Adj 445 nm Blitzbuck V3.1 9mm SS Survival host

95 mW 532nm custom focus-able
110 mW 532 nm S4 host
125 mW 532 nm SD 305A x 2
135 mW 532 nm SD 301 focus-able x2

135 mW 532 nm focusable laser SD 303 x2
175 mW 532 nm custom focus-able

494 mW 532 nm O like Crown*
100 mW 589 nm
PGL III C
115 mW 635 nm custom C6 host
800 mW 635 nm Hotlights host G1 lens

155 mW 645 nm custom 501b host
160 mW 650 nm focus-able C6 host
255 mW 650 nm SD301
280 mW 650 nm SD302
260 mW 660 nm custom C6 host
505 mW 660 nm custom C6 host
45 mW 650 red and 114 mW 532nm multi laser
350mW 830 nm IR custom C6 focus-able
Another
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Last edited by Blaster; 07-16-2013 at 04:14 PM. Reason: typos
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Old 07-17-2013, 12:00 AM #4
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Default Re: Need opinion on an idea

Not sure if it is a fast or slow. But for the price I guess it is slow.
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Old 07-17-2013, 03:04 AM #5
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Default Re: Need opinion on an idea

Quote:
Originally Posted by unrealistic View Post
Not sure if it is a fast or slow. But for the price I guess it is slow.
The thermal switch ,you should be able to bring up specs that will tell you the time.of course you need the spec sheet, goes without saying that once it does trip leave laser off until it really has cooled down which depending in the heatsink could be some time
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95 mW 405nm custom 501b
102 mW 405 nm custom C6
125 mW 405 nm focus-able 501b
270 mW 405 nm 20MM Cannon shell focus-able
705 mW 405 nm focus-able 501b G2 lens

865 mW 445 nm Kryton Groove
1130 mW 450 nm focus-able custom
1175 mW 450 nm focus-able S4

1375 mW 445 nm WL ARCTIC S3
2.3 watt 445 nm G2 -Cree Q5
3.1 watt +Adj 445 nm Blitzbuck V3.1 9mm SS Survival host

95 mW 532nm custom focus-able
110 mW 532 nm S4 host
125 mW 532 nm SD 305A x 2
135 mW 532 nm SD 301 focus-able x2

135 mW 532 nm focusable laser SD 303 x2
175 mW 532 nm custom focus-able

494 mW 532 nm O like Crown*
100 mW 589 nm
PGL III C
115 mW 635 nm custom C6 host
800 mW 635 nm Hotlights host G1 lens

155 mW 645 nm custom 501b host
160 mW 650 nm focus-able C6 host
255 mW 650 nm SD301
280 mW 650 nm SD302
260 mW 660 nm custom C6 host
505 mW 660 nm custom C6 host
45 mW 650 red and 114 mW 532nm multi laser
350mW 830 nm IR custom C6 focus-able
Another
4 dozen plus 5 mW to 160 mW in all colors Way overspec ebay pens
LaserBee 3.7W USB Laser Power Meter
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