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CFBS45A
UVLEDTEK CFBS45A is a LED chip with UVB band light output, flip-chip structure and AuSn electrode, which can be widely used in plant growth, medical phototherapy, optical sensors, biological analysis/detection and other areas.
Features
• UVB LED chip, peak wavelength 295-315nm
• Flip-chip structure
• AuSn electrode
• Instant full-intensity power output
• Unique and compact design
• Competitive product quality and price
Specification
Mechanical Specification
Item | Parameters |
Chip Length | 1178±30um |
Chip Width | 1178±30um |
GAP Width | 150±5um |
Chip Thickness | 400±30um |
Chip Structure | Flip-chip structure |
Electrode | Both N and P are Ausn electrodes. |

Electrical / Optical Characteristics Parameters
• Electrical / Optical Characteristics (Ta = 25℃ , RH=30%)
Item | Parameters |
Forward Voltage (VF) | If=350mA, 5-7V |
Peak wavelength (WLP) | If=350mA, 295-315nm |
Radiometric Power (Po) | If=350mA, 50-120mW |
Spectra Half Width (HL) | If=350mA, Typ.11nm, Max.13nm |
• Sorting BIN Specifications
SPEC | WLP (nm) |
W34 | Rating: 295~300 |
W35 | Rating: 300~305 |
W36 | Rating: 305~310 |
W37 | Rating: 310~315 |
SPEC | LOP (mW) |
P106 | Rating: 50~60 |
P107 | Rating: 60~70 |
P108 | Rating: 70~80 |
P205 | Rating: 80~100 |
P206 | Rating: 100~120 |
SPEC | Vf (V) |
V51 | Rating: 5.0~5.5 |
V52 | Rating: 5.5~6.0 |
V53 | Rating: 6.0~6.5 |
V54 | Rating: 6.5~7.0 |
V11 | Rating: 5.0~5.1 |
V12 | Rating: 5.1~5.2 |
V13 | Rating: 5.2~5.3 |
V14 | Rating: 5.3~5.4 |
V15 | Rating: 5.4~5.5 |
V16 | Rating: 5.5~5.6 |
V17 | Rating: 5.6~5.7 |
V52 | Rating: 5.7~6.0 |
Characteristic Curve

Table Overview for UVLEDTEK
UV-B LED Chip
Item | CFBS20M | CFBS20A | CFBS45A |
Voltage (V) | 5~7 | 5~7 | 5~7 |
Power (mA) | 40 | 100 | 350 |
Optical Power (mW) | 4~20 | 10~30 | 50~120 |
Wavelength (nm) | 295~315 | 295~315 | 295~315 |
L50@60°C (hr) | 20000 | 20000 | 20000 |
Spectra Half Width (nm) | Max.13 | Max.13 | Max.13 |
Dimensions (um) | 230*536*280 | 546*546*340 | 1178*1178*400 |
More Details | Learn More | Learn More | Learn More |
Applications
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