850nm 1206 IR LED Dome Lens: The Invisible Light Behind Smartphone Cameras & Smart Sensing
When you unlock your phone with a glance, or a security camera captures a clear image at midnight, an 850nm infrared (IR) LED is quietly doing the work. Unlike visible LEDs, near-infrared emitters are invisible to the human eye yet fully "seen" by CMOS camera sensors — making them essential for silent, glare-free illumination. The 850nm 1206 SMD IR LED with Dome Lens (Model: 1206 LED IR 850nm, 3.2 × 1.6 × 1.85 mm) from BOSMFC is engineered exactly for these compact, high-performance scenarios.
Why 850nm Infrared Wins in Camera Applications
- Invisible illumination — no red glow or light pollution; ideal for discreet night-time imaging.
- High sensor sensitivity — 850nm sits near the peak response of most CMOS/CCD sensors, delivering brighter, cleaner images than longer wavelengths.
- Compact 1206 package with dome lens — the built-in dome concentrates light into a tight beam, boosting effective radiant intensity in space-constrained designs.
- Reliable & RoHS compliant — 99.99% gold wire bonding, strong ESD protection and a 50,000-hour lifespan.
Key Technical Specifications
| Parameter | Value |
|---|
| Model Number | 1206 LED IR 850nm |
| Wavelength (λd) | 850 nm (Infrared) |
| Radiant Power (Ee) | 10 mW/Sr @ 20mA |
| Forward Voltage (VF) | 1.2–1.5 V |
| Forward Current | 20 mA |
| Viewing Angle | 20°–30° (Typ.) |
| Package Size | 3.2 × 1.6 × 1.85 mm (1206 / 3216) |
| Operating Temperature | -40 °C ~ +85 °C |
| Lifespan | 50,000 hours |
| Packaging | 3,000 pcs / reel |
| Chip Brand | San'an / Epistar |
| Certification | RoHS, Reach |
Real-World Application Scenarios
- Smartphone cameras & face recognition — provides invisible fill light for low-light selfies and powers active IR illumination used in face-unlock and iris recognition modules.
- Night vision & video surveillance — keeps CCTV and IP cameras recording crisp monochrome footage in complete darkness.
- 3D sensing & gesture control — supports depth-sensing arrays in smart devices, robots and automotive driver-monitoring systems.
- Optical switches & light barriers — reliable IR emitting for position detection, counters and safety interlocks.
- Smoke detectors & sensing devices — a proven emitter for scattered-light smoke sensing and optoelectronic detection.
A Trusted IR LED Partner
Behind every dependable IR LED is a manufacturer you can rely on. Dongguan Lanjin Optoelectronics Co., Ltd. (东荤市蓝晋光电有限公司), established in 2005, is a professional manufacturer of SMD LEDs, through-hole LEDs, LED displays and LED PCB assembly. Operating from a 2,500 m² anti-static production facility, the company holds ISO9001:2015 certification and offers a full infrared portfolio spanning 730 nm to 2000 nm — with a 3-year warranty and OEM/ODM support.
Whether you are designing the next flagship smartphone, a smart home sensor, or an industrial vision system, the 850nm 1206 IR LED dome lens delivers invisible performance where it matters. Contact Dongguan Lanjin Optoelectronics Co., Ltd. today for samples and volume pricing.
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