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3535 High Power Red SMD LED, 620nm 660nm Dome Lens 1W LED Chip for Medical Beauty Therapy & Indoor Plant Growth Lighting

Product Specification
Place of Origin: CHINA
Brand Name: Weishibo
Certification: ROHS/SG/IMQ
Model Number: WS-3535R12S40-T8A-SKU
Minimum Order Quantity: 3000
Price: 0.2-0.5US dollars
Payment Terms: L/C,D/A,D/P
Supply Ability: 10KK per month
Product Details
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3535 red smd led

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3535 smd led chip

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620nm red smd led

Model: 3535 Dome Red SMD LED
Overall Dimension: 3.45×3.45×2.36 Mm(L×W×H)
Lens Type: Clear Silicone Spherical Dome Lens, Ø3.2mm Dome Diameter
Rated Power: 1W
Optional Wavelength: 620nm Deep Red / 660nm Far Red
Forward Voltage: 2.0~2.4V
Rated Working Current: 350mA
Luminous Flux: 620nm: 60~80lm; 660nm: 40~60lm
Viewing Angle: 120°
Substrate Material: High Thermal Conductivity Aluminum Base
Product Description

3535 High Power Red SMD LED | 620nm/660nm Dome Lens LED for Medical Phototherapy & Plant Grow Lights



Product Features

High-performance 3535 red SMD LED with spherical dome lens, available in 620nm and 660nm therapeutic wavelengths, 1W rated power with stable optical output. Excellent thermal dissipation design ensures long lifespan, ideal for medical phototherapy equipment, beauty devices and full-spectrum plant grow light fixtures, SMT compatible with standard tape reel packaging.

Short Product Overview

Our 3535 high-power red SMD LED is a professional-grade light source optimized for medical phototherapy and horticultural lighting applications. It features a high-quality red LED die encapsulated in a clear silicone spherical dome lens, mounted on a high thermal conductivity substrate for reliable heat management. Available in two core therapeutic wavelengths: 620nm (deep red for skin care) and 660nm (far red for plant photosynthesis), this LED delivers uniform and consistent red light output. Standard 3535 footprint supports fully automatic SMT assembly, making it suitable for mass production of medical beauty devices and commercial plant grow lights.

Core Specification Table

Item Detailed Parameter
Model 3535 Dome Red SMD LED
Overall Dimension 3.45×3.45×2.36 mm(L×W×H)
Lens Type Clear silicone spherical dome lens, Ø3.2mm dome diameter
Rated Power 1W
Optional Wavelength 620nm Deep Red / 660nm Far Red
Forward Voltage 2.0~2.4V
Rated Working Current 350mA
Luminous Flux 620nm: 60~80lm; 660nm: 40~60lm
Viewing Angle 120°
Polarity R+ = Anode (+), R- = Cathode (-)
Substrate Material High thermal conductivity aluminum base
Packaging Standard carrier tape & reel with moisture-proof vacuum package

Key Product Advantages

✅ Dual Therapeutic Wavelengths: Two optimized red wavelengths available to meet different application requirements: 620nm for skin rejuvenation and 660nm for plant photosynthesis enhancement.


✅ Dome Lens Optical Design: Spherical dome lens provides uniform light distribution and improved light penetration efficiency, perfect for both skin treatment and plant canopy illumination.


✅ Superior Thermal Performance: High thermal conductivity substrate effectively dissipates working heat, reduces junction temperature and suppresses light decay for long-term continuous operation.


✅ High Power Stable Output: 1W high-brightness design delivers sufficient light intensity, reducing the number of LEDs required per fixture and lowering overall system cost.


✅ Standard 3535 Form Factor: Universal industry size compatible with existing automated SMT production lines, enabling high-volume manufacturing with consistent quality.


✅ Reliable Encapsulation: Robust silicone encapsulation resists moisture and temperature fluctuations, suitable for both indoor medical and horticultural environments.

Wide Application Fields

1. Medical & Beauty Phototherapy

LED facial beauty masks, skin rejuvenation devices, wound healing instruments, anti-aging phototherapy lamps, medical rehabilitation equipment.

2. Horticultural Plant Lighting

Indoor plant grow lights, hydroponic lighting systems, greenhouse supplementary lights, vertical farm illumination, seedling growth lamps.

3. Other Applications

Industrial indicator lights, traffic signal modules, decorative red lighting fixtures, customized special red light sources.

Packaging & Storage Guidelines

Packing: Standard tape-on-reel packaging with aluminum moisture-proof vacuum bag; customized reel quantity is available for large bulk OEM orders.

Storage: Store unopened LED components in a dry environment at 0~30℃ with relative humidity below 60%; complete full consumption within 24 hours once unpacked to prevent chip damage from moisture ingress.

Handling: Proper ESD protection measures must be implemented during assembly to avoid electrostatic damage to the LED chips.

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