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20W High Power UV LED Chip - 380-385nm Purple (30-34V 700mA)

₹1,199.00 ₹ 1016.1 + 182.9 GST
In stock
SKU
PRO5662

1-3 Days Express Shipping in India Available

Bulk Pricing
QTYUnit Price(Inlc. GST)
25+ ₹1,181.02 ₹ 1000.86 + 180.15 GST
50+ ₹1,169.03 ₹ 990.7 + 178.33 GST
75+ ₹1,151.04 ₹ 975.46 + 175.58 GST
100+ ₹1,139.05 ₹ 965.3 + 173.75 GST

Contact us for Higher Quantities.

Contact us for Higher Quantities

Industrial-grade 20W UV LED emitter with a 380-385nm peak. Engineered for high-speed resin curing and high-intensity fluorescence.

The 20W SMD High Power LED (380-385nm Purple) is an industrial-grade powerhouse designed to deliver concentrated UVA energy at a precise 380nm peak. This is not a mere indicator light; it is a high-intensity engine engineered for rapid polymer cross-linking, ultra-fast resin curing, and professional-grade scientific applications where every milliwatt of radiant flux matters.

The Probots quality advantage is critical when managing 20 Watts of concentrated energy, where thermal stability determines the life of your component. Our emitters are Probots™ ProSpec Grade , featuring a high-purity red copper substrate for the fastest possible heat transfer to your cooling system. To guarantee you receive the exact spectral output required for your specialized projects, every batch is Probots™ Lab Verified  in our Bangalore facility to confirm the 380-385nm peak using calibrated spectrometers. Furthermore, we ensure your investment arrives in perfect condition with Probots™ Secure-Transit  shock-resistant packaging, protecting the delicate COB surface from physical damage during shipping.

Beyond simple curing, this 20W chip is a versatile asset for specialized fields ranging from high-security document authentication to material stress testing and advanced horticulture. It is particularly effective for Industrial UV Curing, where it can trigger near-instant hardening of UV-sensitive glues that lower-power 3W or 10W LEDs struggle to penetrate. If you have found standard UV modules insufficient for deep resin casts or daylight-visible fluorescence, this Probots™ LifeCycle Ready  20W variant provides the professional-grade upgrade your workstation or production line demands.

Safe and efficient operation requires professional technical management due to the extreme radiant intensity. This high-power COB generates massive heat and MUST be mounted on a large aluminum heat sink with an active cooling fan to prevent immediate thermal destruction. Because this is a Probots™ Logic-Safe  component, we strictly recommend driving it with a dedicated constant current LED driver (600mA-700mA) in the 30-34V range. Always prioritize safety by wearing UV-rated goggles and avoiding all direct skin exposure while harnessing the high-intensity capabilities of the deep UVA spectrum.

Specifications:

  • Peak Wavelength: 380 - 385nm (UVA)
  • Power Rating: 20 Watts
  • Forward Voltage (Vf): 30.0V - 34.0V DC
  • Forward Current (If): 600mA - 700mA
  • Radiant Power: High-density 20W COB Output
  • Viewing Angle: 120 - 140 Degrees
  • Chip Arrangement: High-efficiency matrix on Copper Base
  • Operating Temperature: -20°C to +60°C (with adequate cooling)

Key Applications & Projects

  • Industrial UV Curing: Instant curing of high-viscosity resins and UV-sensitive industrial glues.
  • Forensic Science: Advanced detection of biological traces and high-security document authentication.
  • Scientific Research: UV-induced fluorescence (UVIF) and photochemical synthesis.
  • Material Testing: Stress testing of plastics and coatings for UV degradation.
    Advanced Horticulture: Precision UV stress induction for specialized plant secondary metabolites.

Project Evolution 

  • Past Projects (Prerequisites): If you have used 10W chips and found the curing depth insufficient for thick resin casts, this 20W unit is your essential upgrade.
  • Feature Upgrade: This emitter doubles the radiant flux, enabling ultra-fast production cycles and deeper penetration through opaque or pigmented resins.
  • Effort Level: Advanced. Requires high-voltage constant current driving and professional-grade active thermal management.

Virtual Technician & Wiring

  • ⚠️ INDUSTRIAL SAFETY WARNING: This LED emits extreme intensity UV radiation. Avoid all eye and skin exposure. UV-rated safety goggles and skin protection are mandatory.

  • Thermal Management: You MUST use a large aluminum heat sink with an active cooling fan. Without active cooling, the chip will reach critical failure temperature in less than 3 seconds.

Wiring Guide:

  • Positive (+): Marked with a '+' or the wider tab.
  • Negative (-): Marked with a '-' or the narrower tab.
  • Power Supply: Probots™ Logic-Safe  Requirement: Use a Constant Current LED Driver (600mA-700mA). Never connect directly to a 32V constant voltage source without current regulation.

​Packages include:

1 X 20W High Power UV LED Chip - 380-385nm Purple (30-34V 700mA)

Frequently Asked Questions (FAQ)

  1. What is the difference between 380nm and 395nm?
    380nm has higher energy, making it far more effective for industrial curing and professional forensic work.
  2. Can I run this on a standard 12V battery?
    No, you need a Boost Converter to reach the required 30-34V operating range.
  3. Does it need a fan?
    Yes, at 20W, passive cooling is usually insufficient. Active fan cooling is highly recommended.
  4. Is this waterproof?
    No, the COB surface is exposed. It must be housed in a dry enclosure.
  5. How hot does it get?
    Without a heatsink, it will exceed 120°C almost instantly.
  6. Does it emit visible light?
    It emits a deep, dim purple glow, but most of its energy is in the invisible UV spectrum.
  7. Is it safe for skin?
    No. Direct exposure can cause severe UV burns. Use protection.
  8. Can this cure UV resin?
    Yes, it is optimized for rapid curing of 365-405nm resins.
  9. What kind of heat sink do I need?
    A heat sink rated for at least 30W dissipation is recommended.
  10. Can I dim this LED?
    Yes, if using a PWM-compatible Constant Current Driver.
  11. How long is the lifespan?
    Rated for 50,000 hours if the temperature is maintained below 60°C.
  12. Is it compatible with Arduino?
    Only through a high-voltage MOSFET or specialized driver shield.
  13. Why is it better for money detection?
    Certain security fibers only react to the higher energy of the 380nm wavelength.
  14. What is the current draw at 30V?
    It typically starts drawing significant current (approx. 300mA) at 30V.
  15. Does the product come with thermal paste?
    No, please purchase high-quality thermal grease separately.
  16. Is it dangerous to look at?
    Extremely. UVA light at 20W can cause permanent retinal damage.
  17. Can I use this for a tanning bed?
    Absolutely not. This is for industrial/scientific use only.
  18. What is the substrate material?
    High-purity red copper for maximum heat dissipation.
  19. How many dies are in the matrix?
    This is usually a 10-series, 2-parallel (10S2P) matrix of 1W dies.
  20. Is this product Probots™ QC-Pass ?
    Yes, every chip is visually and electrically inspected before dispatch.
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Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in

  • Place an order online our website probots.co.in for quick and fast delivery
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  • Guranteed Delivery Time: 1-3 days within India under Express Shipping

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  • Alternatively, you can place orders online and select Select Pickup as the delivery option and have your order picked up by Dunzo, Porter, etc. Please contact us for confirmation before arranging a pickup.

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Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in

We offer specialized services for Bulk, Wholesale & B2B Customers like discounted prices, additional shipping options, customised products, etc . Customer with large quantity & regular orders qualify for the specialised discounted rates.

We also offer dedicated sales team to assist you with the order process by providing sales quotations, PI, technical support for choosing products, etc.

Note: Business Orders are processed manually and usually take 1-3 days  to process compared to placing the order directly on our website. Please plan your purchases accordingly.

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Nischith shetty

Friendly staff but Too costly, price is 2x as compared to SP road.

Rajeev Ranjan Pandey

Worst experience. UPI payment of Rupee 1,609 was successfully debited, but the order was later cancelled and no refund was issued.

Varshaa Senthil kumar

The products were at reasonable cost and the service and care provided by the whole team to deliver it safe was really awesome.

Soma Dasgupta

Great selection of components. Highly recommended for electronics enthusiasts!

SANTHA KUMAR

Happy with my purchase from ProBots. Some components are slightly expensive compared to other stores, but many items are reasonably priced. Good support and service.

Arun R

Good store for IoT components. Prices could be better though.

Manoj K

Best place to buy electrical components. A bit pricey but worth it for the quality.

G C Electronics Jaipur

Good products - Timely delivery. Professional service.

Nischith shetty

Friendly staff but Too costly, price is 2x as compared to SP road.

Rajeev Ranjan Pandey

Worst experience. UPI payment of Rupee 1,609 was successfully debited, but the order was later cancelled and no refund was issued.

Varshaa Senthil kumar

The products were at reasonable cost and the service and care provided by the whole team to deliver it safe was really awesome.

Soma Dasgupta

Great selection of components. Highly recommended for electronics enthusiasts!

SANTHA KUMAR

Happy with my purchase from ProBots. Some components are slightly expensive compared to other stores, but many items are reasonably priced. Good support and service.

Arun R

Good store for IoT components. Prices could be better though.

Manoj K

Best place to buy electrical components. A bit pricey but worth it for the quality.

G C Electronics Jaipur

Good products - Timely delivery. Professional service.

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