Swirled 1000-1750nm LED
With the rapid growth of the photovoltaic (PV) industry and photobiology research, the demand for high-precision LED solar simulators has skyrocketed. However, the accuracy of a solar simulator depends heavily on its core component: the LED lamp beads.
Choosing the right LEDs is a complex balancing act of spectral matching, spatial uniformity, and long-term stability. This article breaks down the essential criteria for selecting LED lamp beads for solar simulators to help you meet IEC 60904-9 Class AAA standards while optimizing your SEO footprint.
1. Understand the Core Standard: IEC 60904-9
Before looking at datasheets, you must align your selection with the international standard for solar simulator performance: IEC 60904-9 (Edition 3). To achieve the coveted Class AAA (or A+A+A+) rating, your LED selection must satisfy three metrics:
Spectral Match (Class A): The spectral irradiance must match the AM1.5G ideal solar spectrum within 75% to 125% for each wavelength interval.
Spatial Uniformity (Class A): Irradiance must be uniform across the entire test area (non-uniformity $< 2\%$).
Temporal Stability (Class A): The light output must remain constant over time (long-term and short-term instability $< 2\%$).
2. Key Selection Criteria for LED Lamp Beads
A. Wavelength Coverage & Spectral Blending
The AM1.5G solar spectrum spans from the ultraviolet (UV) to the infrared (IR) spectrum ($300\text{ nm}$ to $1200\text{ nm}$ and beyond). No single LED can cover this entire range. Therefore, you must select a combination of multi-wavelength LEDs:
UV Range (300–400 nm): Essential for testing UV degradation. Look for high-efficiency UV-A and UV-B LED chips (e.g., $365\text{ nm}$, $385\text{ nm}$, $395\text{ nm}$).
Visible Range (400–700 nm): Readily covered by standard High-Power Cool White and Warm White LEDs, supplemented by monochromatic LEDs (Blue, Green, Red) to smooth out spectral peaks and valleys.
Infrared Range (700–1200+ nm): Crucial for silicon solar cell testing. You need a dense mix of Near-Infrared (NIR) LEDs, including $730\text{ nm}$, $850\text{ nm}$, $940\text{ nm}$, and $1050\text{ nm}$.
B. High-Power Density and Efficiency
Solar simulators require an irradiance of 1 Sun (traditionally defined as $1000\text{ W/m}^2$). To achieve this intensity over a practical working distance, choose High-Power LEDs (typically 1W to 5W per chip) or COB (Chip-on-Board) packages.
Look for chips with high Radiometric Power (mW) rather than just luminous flux (lumens), especially for UV and IR wavelengths where human vision metrics (lumens) are irrelevant.
C. Thermal Management and Stability
LEDs are highly temperature-sensitive. As junction temperature rises, LED light output drops, and the peak wavelength shifts (known as thermal drift). This ruins your Temporal Stability.
Package Type: Opt for Ceramic substrates (like 3535 or 5050 packages) with low thermal resistance ($R_{th}$).
Eutectic Bonding: Ensure the manufacturer uses eutectic soldering or gold-tin bonding for superior heat dissipation from the die to the PCB.
D. Beam Angle and Optical Consistency
To achieve Spatial Uniformity, the light from dozens of different LED wavelengths must blend perfectly before hitting the target area.
Standard domed LEDs usually have a $120^\circ$ beam angle, which is excellent for color mixing.
If your system uses custom Secondary Optics (TIR lenses or light guides), ensure the LED package mechanical dimensions are compatible with standard lens footprints.
Product model Product size Color Dominant wavelength Peak Wavelength Optical Power Voltage RdiantIntensity Half-wave widthity IF (mA) Viewing (mm) nm/CIE nm/CIE IV(mW） VF(V) (mW/sr) (nm) Angle(º) min. max. min. max. HYF38P40D250AG-X1 3.5*3.5*2.8 ●UVC LED 250-260 80 100 5.0 6.0 51.5 11 500 60 HYF38P40F260AG-X1 3.5*3.5*2.8 ●UVC LED 260-270 60 70 5.0 6.0 37.9 11 500 60 HYF38E41F270AG-X1 3.5*3.5*2.8 ●UVC LED 270-280 140 180 5.0 6.0 120 11 500 60 HYF38P40F280AG-X1 3.5*3.5*2.8 ●UVB LED 280-290 70 80 5.5 6.5 69.2 13 500 60 HYF38P40F290AG-X1 3.5*3.5*2.8 ●UVB LED 290-300 120 150 5.0 6.0 78.7 13 500 60 HYF38P40F300AG-X1 3.5*3.5*2.8 ●UVB LED 300-310 180 230 5.0 6.0 83.5 13 500 60 HYF38P40F310AG-X1 3.5*3.5*2.8 ●UVB LED 310-320 180 230 5.0 6.0 89.2 13 500 60 HYF38P48F310AG-X1 3.5*3.5*2.8 ●UVB LED 300-315 120 150 5.0 6.0 76.2 13 700 60 HYF38P40F320AG-X1 3.8*3.8*3.2 ●UVB LED 320-330 350 450 5.5 6.5 181 13 500 60 HYF38K45B340AG-X1 3.8*3.8*3.2 ●UVA LED 335-345 400 500 4.0 5.0 202.4 10 500 60 HYF38K45B350AG-X1 3.5*3.5*2.8 ●UVA LED 345-355 200 250 4.0 5.0 82.8 10 500 60 HYB35G45N360AG-X1 3.5*3.5*2.8 ●UVA LED 360-365 1000 1200 3.4 3.8 1428 9 700 60 HYR35G45N365KN-D1 3.45*3.45*1.95 ●UVA LED 365-370 1900 2200 3.4 3.8 608 9 1000 120 HYR35G45N380KN-D1 3.45*3.45*1.95 ●UVA LED 380-390 1900 2200 3.0 3.4 542 11 1000 120 HYR35G45N395KN-D1 3.45*3.45*1.95 ●UVA LED 395-400 1900 2200 3.0 3.4 518 13 1000 120 HYQ35G45N400KN-D1 3.45*3.45*1.95 ●UVA LED 400-405 1800 2100 3.0 3.4 394 15 1000 120 HYQ35G45N410KN-D1 3.45*3.45*1.95 ●UVA LED 410-420 1300 1500 3.0 3.4 346 17 700 120 HYQ35G45N420KN-D1 3.45*3.45*1.95 ●UVA LED 420-430 1200 1400 3.0 3.4 324 17 700 120 HYQ35G45N430KN-D1 3.45*3.45*1.95 ●UVA LED 430-440 1200 1400 3.0 3.4 272 19 700 120 HYQ35X38B450KN-D1 3.45*3.45*1.95 ●Visible LED 450-460 450.4 2300 2500 3.0 3.4 882 20 1500 120 HYQ35G45P460KN-D1 3.45*3.45*1.95 ●Visible LED 460-470 459 900 1100 3.0 3.4 346 20 700 120 HYQ35G45P470KN-D1 3.45*3.45*1.95 ●Visible LED 470-480 467 800 1000 3.0 3.4 301 25 700 120 HYQ35G45P480KN-D1 3.45*3.45*1.95 ●Visible LED 480-490 479 600 700 3.0 3.4 261 24 700 120 HYQ35G45P500KN-D1 3.45*3.45*1.95 ●Visible LED 500-510 498.8 450 550 3.0 3.4 175 25 700 120 HYQ35G45P520KN-D1 3.45*3.45*1.95 ●Visible LED 520-530 514.5 450 550 3.0 3.4 236 27 700 120 HYQ35G45P530KN-D1 3.45*3.45*1.95 ●Visible LED 530-540 522.6 350 450 3.0 3.4 165 30 700 120 HYQ35G45P540KN-D1 3.45*3.45*1.95 ●Visible LED 540-550 538.1 200 250 3.0 3.4 227 36 700 120 HYQ35G45N550KN-D1 3.45*3.45*1.95 ●Visible LED 550-560 541 200 250 2.6 3.0 79 35 700 120 HYQ35F45N560KN-D1 3.45*3.45*1.95 ●Visible LED 560-570 555.1 200 250 2.4 2.8 215 40 700 120 HYQ35E42N580KN-D1 3.45*3.45*1.95 ●Visible LED 580-590 584.6 130 180 2.2 2.6 29 15 700 120 HYQ35E42N590KN-D1 3.45*3.45*1.95 ●Visible LED 590-600 595.2 300 400 2.2 2.6 85 15 700 120 HYQ35G42N600KN-D1 3.45*3.45*1.95 ●Visible LED 600-610 608 400 500 2.2 2.6 187 15 700 120 HYQ35G42N610KN-D1 3.45*3.45*1.95 ●Visible LED 610-620 615.2 400 500 2.2 2.6 159 26 700 120 HYQ35E42P620KN-D1 3.45*3.45*1.95 ●Visible LED 620-630 634.1 700 800 2.2 2.6 460 17 700 120 HYQ35E42P630KN-D1 3.45*3.45*1.95 ●Visible LED 630-640 646.1 800 900 2.2 2.6 660 15 700 120 HYQ35E55N660KN-D1 3.45*3.45*1.95 ●Visible LED 655-665 1200 1400 2.2 2.6 1424 17 1000 120 HYQ35G42N670KN-D1 3.45*3.45*1.95 ●Visible LED 670-680 800 1000 2.0 2.4 1774 21 700 120 HYQ35G42N680KN-D1 3.45*3.45*1.95 ●Visible LED 680-690 800 1000 2.0 2.4 1108 27 700 120 HYQ35G42N700AB-D1 3.45*3.45*1.95 ●Infrared LED 700-710 750 850 2.0 2.4 288 24 700 120 HYQ35X45N720AB-D1 3.45*3.45*1.95 ●Infrared LED 720-730 1000 1200 2.0 2.4 389 21 1000 120 HYQ35E42N730AB-D1 3.45*3.45*1.95 ●Infrared LED 730-740 1100 1300 2.0 2.4 423 37 1000 120 HYQ35G42N740AB-D1 3.45*3.45*1.95 ●Infrared LED 740-750 900 1100 2.0 2.4 250 22 1000 120 HYQ35G42N750AB-D1 3.45*3.45*1.95 ●Infrared LED 750-760 1000 1200 2.0 2.4 388 24 1000 120 HYQ35G42N760AB-D1 3.45*3.45*1.95 ●Infrared LED 760-770 900 1100 1.6 2.0 339 24 1000 120 HYQ35G42N780AB-D1 3.45*3.45*1.95 ●Infrared LED 780-790 1000 1200 1.6 2.0 381 23 1000 120 HYQ35G42N800AB-D1 3.45*3.45*1.95 ●Infrared LED 800-810 750 850 1.6 2.0 371 30 1000 120 HYQ35G42N810AB-D1 3.45*3.45*1.95 ●Infrared LED 810-820 750 850 1.6 2.0 288 30 1000 120 HYQ35G42N820AB-D1 3.45*3.45*1.95 ●Infrared LED 820-830 850 950 1.6 2.0 294 35 1000 120 HYQ35E35N850AB-D1 3.45*3.45*1.95 ●Infrared LED 840-860 900 1100 1.6 2.0 211 35 1000 120 HYQ35G42N880AB-D1 3.45*3.45*1.95 ●Infrared LED 880-890 800 900 1.6 2.0 153 39 1000 120 HYQ35G42N900AB-D1 3.45*3.45*1.95 ●Infrared LED 900-910 750 850 1.4 1.8 142 33 1000 120 HYQ35G42N910AB-D1 3.45*3.45*1.95 ●Infrared LED 910-920 750 850 1.4 1.8 140 39 1000 120 HYQ35G42N920AB-D1 3.45*3.45*1.95 ●Infrared LED 920-930 700 800 1.4 1.8 164 47 1000 120 HYQ35E42N940AB-D1 3.45*3.45*1.95 ●Infrared LED 935-945 700 800 1.4 1.8 211 40 1000 120 HYQ35E42N950AB-D1 3.45*3.45*1.95 ●Infrared LED 950-960 700 800 1.2 1.6 243 47 1000 120 HYQ35L32N970AB-D1 3.45*3.45*1.95 ●Infrared LED 970-980 400 500 1.2 1.6 117 45 700 120 HYQ35G42N980AB-D1 3.45*3.45*1.95 ●Infrared LED 980-1000 600 700 1.2 1.6 275 50 1000 120 HYR35H45N1000AB-D1 3.45*3.45*1.95 ●SWIR LED 1000-1020 700 800 1.2 1.6 265 45 1000 120 HYR35G42N1020AB-D1 3.45*3.45*1.95 ●SWIR LED 1020-1040 600 700 1.2 1.6 231 55 1000 120 HYR35E42N1040AB-D1 3.45*3.45*1.95 ●SWIR LED 1040-1060 700 800 1.2 1.6 272 55 1000 120 HYR35E42N1060AB-D1 3.45*3.45*1.95 ●SWIR LED 1060-1080 700 800 1.2 1.6 268 50 1000 120 HYR35X42N1080AB-D1 3.45*3.45*1.95 ●SWIR LED 1080-1100 700 800 1.0 1.4 266 55 1000 120 HYR35X42N1100AB-D1 3.45*3.45*1.95 ●SWIR LED 1100-1120 700 800 1.0 1.4 259 55 1000 120 HYR35G42N1120AB-D1 3.45*3.45*1.95 ●SWIR LED 1120-1140 100 150 0.8 1.2 39 56 700 120 HYR35G42N1140AB-D1 3.45*3.45*1.95 ●SWIR LED 1140-1160 100 150 0.8 1.2 40 65 700 120 HYR35G42N1160AB-D1 3.45*3.45*1.95 ●SWIR LED 1160-1180 100 150 0.8 1.2 38 67 700 120 HYR35X42N1180AB-D1 3.45*3.45*1.95 ●SWIR LED 1180-1200 200 300 1.0 1.4 77 66 1000 120 HYR35G42N1200AB-D1 3.45*3.45*1.95 ●SWIR LED 1200-1250 100 150 0.8 1.2 39 68 700 120 HYR35G42N1250AB-D1 3.45*3.45*1.95 ●SWIR LED 1250-1300 100 150 0.8 1.2 40 75 700 120 HYR35E42N1300AB-D1 3.45*3.45*1.95 ●SWIR LED 1300-1350 200 300 0.8 1.2 68 85 1000 120 HYR35G42N1350AB-D1 3.45*3.45*1.95 ●SWIR LED 1350-1400 100 150 0.8 1.2 37 83 700 120 HYR35G42N1400AB-D1 3.45*3.45*1.95 ●SWIR LED 1400-1450 80 130 0.8 1.2 28 108 700 120 HYR35G42N1450AB-D1 3.45*3.45*1.95 ●SWIR LED 1450-1500 80 130 0.8 1.2 33 115 700 120 HYR35G42N1500AB-D1 3.45*3.45*1.95 ●SWIR LED 1500-1550 50 100 0.8 1.2 19 137 700 120 HYR35G42N1550AB-D1 3.45*3.45*1.95 ●SWIR LED 1550-1600 40 60 0.8 1.2 16 143 700 120 HYR35G42N1600AB-D1 3.45*3.45*1.95 ●SWIR LED 1600-1700 30 40 0.8 1.2 13 138 700 120 HYR35T42N1700AB-D1 3.45*3.45*1.95 ●SWIR LED 1700-1800 65 75 0.8 1.2 25 129 1000 120 HYR35T42N1900AB-D1 3.45*3.45*1.95 ●SWIR LED 1900-2000 50 60 0.8 1.2 19 109 1000 120
