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Why doesn't LED produce ozone?
The low-pressure mercury lamp increases the energy level transition probability of short-wave ultraviolet by controlling the vapor pressure, but it will also be accompanied by other transitions, mainly emitting light at 254 and 185nm. UVC-LED first energy level transition probability is dominant, so it emits pure light, and the common UVC-LED wavelength is higher than 255 nm High power lamp beads 1W.
The low-pressure mercury lamp is a gas light source, and its excited state energy level position has been determined by the substance of mercury. So although there are high-pressure, medium-pressure, and low-pressure mercury lamps, the difference in vapor pressure is mainly to adjust the probability of transition between different excited states, that is, the relative intensity of different characteristic peaks. Therefore, low-pressure mercury lamps mainly emit light at 254 and 185nm High-power LED lamp beads. UVC-LED is an AlGaN semiconductor light-emitting diode with a quantum well structure. The E0 transition is dominant, and the peak wavelength is only one, such as 275nm. It can be found that the half-height width of the main peak of the deep ultraviolet LED spectrum is significantly lower than that of blue light, which is also because of the quantum well light emission Compared with multi-size quantum dot light-emitting devices, the electronic transition is more unitary. Because the current UVC-LEDs that can be mass-produced have luminous wavelengths that are not lower than 243nm, the deep-ultraviolet UVC-LEDs used for sterilization do not produce ozone High-power infrared lamp beads.
Origin: Guangdong
Export or not: Yes
Order No.: 12458794
Brand: XiGe
Article No.: 5897619
Model: 1206
Size：1206
Power: 0.5 (W)
Color rendering index: 80
Luminous flux: 10 (LM)
Forward voltage: 12 (V)
Reverse voltage: 12 (V)
ESD：12（V）
Rated current: 10 (a)
Chip brand: San'an
Chip size: 5 (MIL)
Phosphor brand: customizable
Glue brand: customizable
Wire material: gold wire
Bracket material: Copper
Luminous angle: 15 (°)
Luminous efficiency: 100 (LM / W)
Thermal resistance: ≤ 50 (° / W)
Maximum allowable junction temperature: 100 (°)
Voltage temperature coefficient: 5 (MV / ℃)
1000 hours conventional aging: 85%
6000 hours conventional aging: 20%
Lm-80 test passed: Yes
Color temperature range: 10 (k)
Cross border export source: Yes
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Main Product:
SMD LED,
In line LED ,
LED Light,
LED Lamp,
High Power LED,
Solar Light
