Nichia NSHU551A - 375 nm UV LED

Nichia NSHU551A - 375 nm high-power ultraviolet LED (lamp type) - UV LEDs. An improved version / replacement of the popular discontinued UV LED Nichia NSHU550A. Also discontinued. Not for new designs. Remaining stock. Please consider using Nichia NSHU551C-U375 with better parameters. Both types are 1:1 compatible completely interchangeable.

Features:

peak wavelength min. 370 nm, typ. 375 nm, max. 380 nm (Rank Ub),
spectrum half width 15 nm,
viewing angle 100 degrees (±50°),
total radiant flux - radiant power min. 6.0 mW, max. 8.5 mW (Rank 7), min. 8.5 mW, max. 12.1 mW (Rank 8),
forward voltage 3.6 V.

Applications:

• UV illumination for UV cameras;
• Scientific instrumentation;
• Sensor technology;
• R&D;
• Oil in water monitors;
• Fluorescence spectroscopy;
• UV tracing;
• UV curing of epoxy and ink;
• Fluorescence contrast in machine vision;
• On-board calibration of the UV imager in a space telescope;
• Excitation source for luminescence.

Safety Advices. Caution!

Semiconductor product. Invisible radiation. Depending on the mode of operation (drive current, pulse duration, optics etc.), these devices emit highly concentrated non visible ultraviolet light which can be hazardous to the human eye. Products which incorporate these devices have to follow the safety precautions given in IEC 60825-1 and IEC 62471. Depends on operating conditions, this LED may be classified as class 1M laser/LED product (acc. to IEC 60825). When operating powerful emitters, care should be taken to comply with IEC to minimize any possible eye hazard:

- Use lowest possible drive level.
- Use diffusing optics where posiible.
- Avoid staring into powerful emitters or connected fibers.
- Do not view directly in beam with optical instruments.

data sheet Nichia NSHU551A PDF

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