311nm 3535 Ceramic SMD UV-B LED for Narrowband Phototherapy
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Medical-Grade Phototherapy Hardware
Scientific Research & Laboratory Optical Testing
| Items | Specification |
| Part Number | GDY-3535U305-1CD-P2A0B0B |
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0.5W Power |
| Forward Voltage (Vf) | 5-7V |
| Wavelength(nm) | 305-315nm |
| Forward Current(mA) | 100mA |
| Radiant Flux(mW) | 3-5mW at 40mA 5-7v |
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1W Power |
| Part Number | GDY-3535U305-1CD-P2B0B |
| Wavelength(nm) | 305-315nm |
| Beam Angle | 120° |
| Forward Voltage (Vf) | 5-7V |
| Forward Current(mA) | 150mA |
| Radiant Flux(mW) | 15-25mW at 150mA 5-7v |
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3W Power |
| Part Number | GDY-3535U305-1CD-P2D0B |
| Wavelength(nm) | 305-315nm |
| Beam Angle | 120° |
| Forward Voltage (Vf) | 5-7V |
| Forward Current(mA) | 500mA |
| Radiant Flux(mW) | 60-80mW at 500mA 5-7v |
Why 311nm UV‑B is Adopted in Phototherapy‑oriented Hardware Systems
UV‑B‑based phototherapy‑oriented hardware demands precise wavelength tuning and stable ultraviolet output to deliver consistent irradiation performance. Within the UV‑B spectrum, the 305‑315 nm band with its peak around 311 nm is a standard narrowband UV‑B spectral range for hardware built to deliver controlled UV exposure.
When compared with broad‑spectrum UV light sources, narrowband UV‑B LED technology enables targeted wavelength output and fine‑tunable irradiation parameters. This makes 311 nm UV‑B LED components well‑suited for modern phototherapy‑grade hardware that requires stable optical output, compact integration and sustained long‑run operation.
GMKJ 311nm 3535 Ceramic SMD UV‑B LED delivers compact, reliable UV‑B illumination as a component for phototherapy‑grade hardware and scientific‑research instruments. It supports OEM manufacturers to build UV irradiation systems with stable and repeatable optical performance.
Electrical & Optical Parameters
|
Paramete
|
Symbol |
Conditions |
Min |
Avg. |
Max |
Units |
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Forward Voltage
(正向压降)
|
VF |
IF=500mA |
5.00 |
-- |
7.00 |
V |
|
Thermal Resistance Junction To
Board
(热阻)
|
RΘJ-B |
IF=500mA |
-- |
5.0 |
-- |
°C/W |
|
Radiant Output (光功率) |
Φe |
IF=500mA |
60 |
-- |
80 |
mW |
|
Peak wavelength (峰值波长) |
λp |
IF=500mA |
305 |
-- |
315 |
nm |
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Reverse Current (反向漏电流) |
IR |
VR=5V |
−− |
−− |
10 |
μ A |
|
Viewing Angle
(发光角度)
|
2Θ1/2 |
IF=500mA |
−− |
120 |
−− |
Deg |
| These electrical characteristics support consistent output required for material differentiation and spectral response analysis. |
Get Engineering Support
GMKJ LED | UV‑B & Special Spectrum Lighting Solutions Jennin
GMKJ LED | UV Solutions
Email: gmkj06@gmleds.com
WhatsApp: +86-18878641376
Available Support:
Narrow‑band UV‑B Wavelength Binning & Selection (308nm/311nm/320nm/295nm/330nm/340nm)
UV optical light source design for phototherapy hardware & scientific instruments
Ceramic SMD UV‑B LED PCB module customization
Sample evaluation, performance testing & application validation support
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