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Test Load / Dummy Load / Selectable to 3A / DIY kit / LED or laser drivers!!!, US $15.00 – Picture 0
Test Load / Dummy Load / Selectable to 3A / DIY kit / LED or laser drivers!!!, US $15.00 – Picture 1
Test Load / Dummy Load / Selectable to 3A / DIY kit / LED or laser drivers!!!, US $15.00 – Picture 2
Test Load / Dummy Load / Selectable to 3A / DIY kit / LED or laser drivers!!!, US $15.00 – Picture 0
Test Load / Dummy Load / Selectable to 3A / DIY kit / LED or laser drivers!!!, US $15.00 – Picture 1
Test Load / Dummy Load / Selectable to 3A / DIY kit / LED or laser drivers!!!, US $15.00 – Picture 2

Test Load / Dummy Load / Selectable To 3a / Diy Kit / Led Or Laser Drivers!!!

US $15.00

  • Banning, California, United States
  • Jan 29th
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These test loads have jumper terminals to select the number or diodes, 1-10, you want to use or simulate a specific voltage drop. Now, for some people who are wondering what is a test load/dummy load and why do we need it? A test load or dummy load acts like or simulates a laser diode to safely measure how much current is going through it from the driver. Without one you run the risk of destroying or damaging the laser diode. NOTE #1: These diodes are safely rated up to 3A, but at higher currents (more than 1A) they will get hot. I would advise less than 1 minute cycles for high currents or if you want you could place a small heat sink on top of these diodes and or resistor to help cool the test load if you plan on using these for more than 1 minute. Easy to find small heat sinks at Radio Shack, DX, or you can source your own. NOTE #2: If the driver you are using has a capacitor (most likely), you need to discharge the capacitor using a resistor before connecting it to the actual laser diode to prevent voltage spikes that might kill it or damage it. They compose of: - (1) Custom test load PCB - (10) 1N5404 diodes (rated up to 3A) - (18) male straight gold plated breakaway headers (rated up to 3A) - (1) jumper connector - (1) metal oxide 1 Ohm 5 Watt 2% tolerance resistor 10 diodes for a selectable range (number designates diodes on the jumper) *remove jumper pin to use all 10 diodes* What you will get in the package: (1) x test load kit (1) x instruction paper (how to assemble/how to use)
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Country of Manufacture United States

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