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The new PLTB450 diodes are now in stock. This thread can serve as a place for testing and discussion.
Here are the specs from Osram's website.
Product Catalog | Products | OSRAM Opto Semiconductors
Technical Data (at 25 °C)
Output Power: 1.4 W
Emission Wavelength: Typ. 450 nm
Threshold Current: Typ. 0.2 A
Operating Current: Typ. 1.2 A
Efficiency: Typ. 27 %
Package Type: TO56
Here are some of my observations so far.
Here is a comparison. Paced out 30 feet so it could be off by a foot or two either way. Measured the line with my calipers.
Here is a comparison of the raw output. M140 on top.
Ok here are some power measurements with a G-2. These were done without a lot of cool down time so there may be a little higher peaks for the higher currents with active cooling.
1270mW @ 1.2A
1540mW @ 1.4A
1720mW @ 1.6A
1830mW @ 1.85A
Here are the specs from Osram's website.
Product Catalog | Products | OSRAM Opto Semiconductors
Technical Data (at 25 °C)
Output Power: 1.4 W
Emission Wavelength: Typ. 450 nm
Threshold Current: Typ. 0.2 A
Operating Current: Typ. 1.2 A
Efficiency: Typ. 27 %
Package Type: TO56
Here are some of my observations so far.
Here is a comparison. Paced out 30 feet so it could be off by a foot or two either way. Measured the line with my calipers.
Here is a comparison of the raw output. M140 on top.
Ok here are some power measurements with a G-2. These were done without a lot of cool down time so there may be a little higher peaks for the higher currents with active cooling.
1270mW @ 1.2A
1540mW @ 1.4A
1720mW @ 1.6A
1830mW @ 1.85A
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