5V 31mm UV 395nm LED Light Board

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5V 31mm Circular UV 395nm LED Light Board Module High-Efficiency Aluminium Substrate LED Panel (Ultraviolet / Blacklight)

Unlock specialized lighting capabilities with this ultra-compact, high-performance circular UV LED light board. Measuring just 31mm in diameter with a central hollow cutout, this module features premium 395nm ultraviolet LEDs built on a heavy-duty aluminum core PCB (MCPCB) for optimal heat dissipation. Powered by a safe, universal 5V DC input, it is the ultimate tool for fluorescent curing, mineral illumination, currency verification, and specialized creative DIY applications.

Key Features

True 395nm UV Blacklight: Emits a targeted 395nm ultraviolet wavelength. Perfect for exciting fluorescent materials, curing UV resins/glues, reactive artwork, and blacklight party effects.
Ultra-Compact 31mm Ring Design: Features a space-saving circular profile with a practical center hole, allowing for easy integration around mechanical shafts, optical lenses, or 3D-printed mounts.
Premium Aluminum PCB Substrate (MCPCB): Engineered with a high-thermal-conductivity aluminum base that rapidly draws heat away from the UV LEDs, ensuring stable performance and a prolonged lifespan.
High-Efficiency SMD LED Array: Equipped with 6 high-power surface-mount UV LEDs arranged in a radial layout to provide uniform, shadow-free, and directional light distribution.
Safe & Universal 5V DC Power: Runs efficiently on standard 5V low voltage. Easily power the module via USB cables, power banks, 5V phone chargers, or lithium battery packs.
Durable Solder Joint Ready: Features clearly marked, pre-tinned positive (+) and negative (-) soldering pads for secure wire connections.

Ideal Applications

Resin Curing & 3D Printing Flyovers: An ideal internal light source for mini UV curing boxes, post-processing 3D prints, or activating UV-reactive filaments and epoxies.
Fluorescent Display & Art Accents: Perfect for highlighting uranium glass displays, illuminating UV-reactive natural stones (like Yooperlite or fluorite), and glowing blacklight posters.
Specialized Security & Inspection: Great for building pocket-sized tools to verify currency, identity cards, clean room inspections, and detecting pet stains or leaks.

Technical Specifications

Diameter: 31mm (Circular Profile with Center Hole)
Input Voltage: DC 5V
Light Type: Ultraviolet (UV)
Wavelength: 395nm
Board Material: Aluminum Core PCB (MCPCB)
LED Quantity: 6 High-Power SMD UV LEDs
Wiring Interface: Solder Pads (Positive + / Negative -)

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