Dongguan Lanjin Optoelectronics Co., Ltd.
                                                                                                           
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21 Years
Since 2005
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Smart SMD 2121 RGB LED Built-in IC chip SK6812 WS2811 WS2812 addressable for Decorative Light Strips

Price Negotiable
Price: Negotiable
MOQ: 10,000pcs
Delivery Time: 5-15 days
Brand: BOSMFC
Product Description
Smart SMD 2121 RGB LED with Built-in IC Chip

Advanced SK6812, WS2811, and WS2812 addressable LEDs designed for decorative light strips and intelligent lighting applications.

Key Features
  • Pure gold wire bonding for superior connectivity
  • Extended lifespan of 50,000 hours
  • Pb-free and radiation-free construction
  • Low-temperature, lead-free reflow soldering compatible
  • Efficient heat dissipation design
  • Energy-saving and environmentally friendly
Technical Specifications
Parameter Symbol Color Min Typ Max Unit Test Condition
Wavelength λd Red 620 635 nm IF=5mA
Green 515 525
Blue 460 472
Luminous Intensity Iv Red
200
mcd IF=5mA
Green
800
Blue
200
Forward Voltage VF Red 3.5 7.5 V IF=5mA
Green 3.5 7.5
Blue 3.5 7.5
Viewing Angle

120 deg IF=5mA
Reverse Current IR
5 uA IF=5mA

Operation Temperature: -40°C to +85°C
Size: 2.1×2.1×1.0mm
Storage Temperature: -40°C to +100°C
Packing: 4000pcs/reel

Smart SMD 2121 RGB LED product close-up view Smart SMD 2121 RGB LED technical diagram
Applications
  • Automotive luminous signs, LED handbags, smart jewelry, color-changing shoes
  • Mobile phones, digital cameras, flash photoelectric displays
  • Architectural lighting for buildings, bridges, and structures
  • LED flexible full-color pixel screens, color clothing
  • Interior ambient, accent, and decorative lighting
  • LED models, keyboards, smart bracelets, angel eyes, full-color displays
Materials
LED materials and construction details
Company Information

Dongguan Lanjin Optoelectronics Co., Ltd. established in 2005, a professional manufacturer in producing light emitting diode, LED digital display, SMD LED , through-hole LED and LED PCB assembly service. Covering 2,500 square meters factory plant, with modern purification constant termperature and humidity anti-static production workshop.

Our company has passed ISO9001:2015 international Quality management system certification, and now applying for ISO14001 Environmental management system certification. With 18 years development, we achieved 2 national invention patents, 12 practical new-type patents, 2 software invention patents, all products comply with the EU RoHS standard.

Lanjin has absorbed the advanced manufacturing technology of Japan, Korea and Western Europe. With a high starting point, high quality market positioning, developed high temperature resistance & long life LED. Widely used in communication equipment, swithching power supply, decorative lighting, multi-speaker, DVD and other electronics.

Lanjin always addict to the principle of “ Quality and customer first”, provide customized services according to customer’s demand. LED light the world, Lanjin lights your life!

Lanjin Optoelectronics manufacturing facility
Packing and Shipping

Inner packaging: Anti-static Bag Vacuum Packaging
Outer packaging: Standard export carton packing

LED packaging and anti-static protection Export carton packaging for LED products
Frequently Asked Questions
Q: Can I place a sample order?

A: Yes, we welcome sample orders for quality testing. Mixed samples are acceptable, and free samples may be available. We can also create custom samples according to your requirements.

Q: What is your delivery time?

A: Production typically takes 5-7 days, though exact delivery times may vary depending on order specifics and current production schedules.

Q: What are your warranty terms?

A: All our LED products come with a 2-year warranty.

Q: How does your factory handle quality control?

A: Quality is our priority. We implement comprehensive quality control throughout the entire production process. Every product undergoes full assembly and careful testing before packaging and shipment.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan Lanjin Optoelectronics Co., Ltd.
Location 3/F, NO. 90 Pinggang street, Zhushan , Dongcheng district, Dongguan city, GuangDong, China. 523112
Contact Person Ava Huang

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