Dual COB LED

Dual COB LED

Power: 200W+200W
Input voltage: DC 72-75V
Input current: 2.7A
Board size: 54x54mm
Light emitting size: Φ45mm
Board thickness: 2.0mm
Color: Warm + white
CCT: 2700K-6500K
Board material: High-quality cooling aluminum board
Application: Micro projector lamps, film spotlights, smart ceiling lamps, movie lights, jewelry display cabinet lights, conference room chandeliers, smart home downlights, Fresnel replacements, frame projectors.
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Description
Technical Parameters

WELCOB HB5454-72-200W+200W-WC COB LED is a DC-powered dual color led light source with independent circuits for warm white 2700K and cool white 6500K. With a dimmable and color adjustment driver, it allows seamless color temperature adjustment from 2700K to 6500K, catering to various lighting needs.

With a high color rendering index, excellent TLCI, and high luminance, it effectively reproduces natural colors, making it ideal for TV studios and film making.

One chip, two color temperatures, smooth dimming, one lamp for multiple uses!

 

Features

 

• Flexible Color Tuning: Switch between warm and cool tones for perfect ambiance.

• Flip-chips: no gold wire encapsulation, reduced thermal resistance, extended service life.

• Energy-Saving Performance: Achieves 100 lumens per watt for cost efficiency.

• Vivid Color Rendering: CRI 95 ensures true-to-life hues.

• Sleek Integration: COB technology provides uniform light in a small footprint, no spots, no glare.

• Durable Longevity: Over 50,000 hours of reliable performance.

 

Technical Parameters

 

Product name

Dual COB LED

Model

HB5454-72-200W+200W-WC

Power

200W + 200W

Input Voltage

DC 72-75V

Input Current

2700mA

LED type

Flip chip COB

Board size (LxW)

54x54mm

Board Thickness

2.0mm

Emitting size (circular)

Φ45mm

Color

Warm white + Cool white

CCT

2700K + 6500K

CRI (Ra)

≥ 95

TLCI

≥ 95

DUV

< 0.003

Luminous efficiency

100 lm/W

Dimming

Support

Color adjustment

Tunable white

Viewing angle

120°

Substrate material

High quality cooling aluminum plate

Lifespan

50000 hrs

Customized options

Input voltage, Watt, Color, Size, Lumens efficiency, Logo

 

Possible Applications of the WELCOB HB5454-72-200W+200W-WC COB LED

Lighting Fixtures

Pendant Lights: Ideal for cozy dining or retail spaces.

Track Lighting: Enhances museum or showroom displays.

Recessed Fixtures: Perfect for flexible office lighting.

Scenarios

Video Production: Precise lighting for professional shoots.

Home Interiors: Custom ambiance for living spaces.

Retail Stores: Highlights products with vibrant light.

FAQ

 

1. Q: What range of color temperature can this dual color COB LED adjust to?

A: A dimming and color adjustment power supply is needed, supporting seamless tuning from 2700K (warm white) to 6500K (cool white) for diverse lighting scenarios.

2. Q: Can you customize color temperature ranges?

A: Certainly, we provide custom color temperature mixes (e.g., 3000K + 6000K) as per your specifications.

3. Q: What is the minimum order quantity?

A: Minimum order for samples is 1 piece; for bulk purchases, it's 100 pieces. We support small batch trial production.

4. Q: Do additional heat dissipation components need to be installed?

A: Small power models (≤ 20W) can be mounted on the metal lamp body. High-power models should use heat sinks for effective heat dissipation.

5. Q: Does it suit home smart lights?

A: Yes, paired with a driver that allows dimming and color adjustment, it's controllable via smart devices or apps.

 

Why Choose WELCOB?

 

 

Over 20 years of experience in LED light source R&D.

01

 

Professional ODM & OEM customization services.

02

 

Flexible minimum order quantities, supporting small batches.

03

 

Convenient and reliable logistics and express delivery services.

04

 

Responsive sales service.

05

 

Upgrade your lighting with our Bi-color COB LED!

Visit WELCOB website to reach out to learn more!

 

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