company news about LED Application Scenarios: 6048 SMD IR LED 660nm 905nm for Pulse Oximeters and Health Monitoring

Light That Reads a Heartbeat: The 6048 SMD IR LED in 660nm & 905nm for Oximeters

Pulse oximeters and wearable health monitors perform one of the most demanding jobs in electronics: they must read a person’s blood oxygen and pulse by shining light through skin, tissue and flowing blood — and they must do it accurately, in a device that sits on a fingertip or a wrist. The 6048 SMD IR LED from the BOSMFC platform, available in a 660nm red and 905nm infrared dual-wavelength setup, is built for exactly this kind of medical sensing.

Why two wavelengths matter in oximetry

Pulse oximetry works by comparing how much light oxygen-rich and oxygen-poor blood absorb. The red band around 660nm is strongly absorbed by de-oxygenated haemoglobin, while the infrared band near 905nm passes through oxygenated blood. Pair those two emitters with a photodetector and you get the ratio that becomes an SpO₂ reading. A single compact 6.0 × 4.8 × 1.0 mm package that carries both wavelengths keeps the sensor stack small — essential for fingertip clips, smart watches and medical patches.

Key technical parameters

Real application scenarios

1. Pulse oximeters (SpO₂). Fingertip and handheld oximeters use the 660nm / 905nm pair to read blood oxygen saturation and pulse rate in one optical path.
2. Patient monitors & medical equipment. Bedside monitors, ventilators and clinical diagnostics rely on stable IR output for continuous vital-sign tracking.
3. Wearable health trackers. Smart watches, bands and rings use IR LEDs for PPG-based heart-rate and blood-oxygen sensing in a tiny footprint.
4. Sleep & wellness monitoring. Sleep trackers and wellness devices use photoplethysmography (PPG) to follow breathing and circulation overnight.
5. Sports & fitness sensors. Chest straps and fitness sensors need low-power, reliable IR emitters that last through long sessions.
6. Optical sensing & detection. The same IR chip serves proximity, reflection and industrial optical sensing where infrared light is required.

Why designers specify this 6048 IR LED

• Dual 660 / 905nm output — one package covers the red + infrared pair oximetry needs.
• Compact 6.0 × 4.8 × 1.0mm SMD — saves board space in wearables and clip-on devices.
• Low 1.8–2.4V / 1.3–1.7V forward voltage — friendly to battery-powered medical designs.
• San’an / Epistar chips — known die quality for consistent optical output.
• 50,000-hour lifespan & wide 120° beam — dependable performance over device life.
• RoHS & Reach compliant — ready for EU and US medical-device supply chains.

Backed by 18+ years of LED manufacturing

This chip is produced by Dongguan Lanjin Optoelectronics Co., Ltd. (东荆市蓝晋光电有限公司), a manufacturer founded in 2005 that specialises in SMD LED, through-hole LED, LED displays and LED PCB assembly. Its ISO9001:2015-certified, anti-static workshop and broad catalogue — spanning IR, UV, RGB and multi-colour LEDs — let design teams source both the emitters and the receiving side from one qualified partner, with OEM/ODM support and free samples for validation.

Ordering at a glance

Designing a pulse oximeter or a wearable health device? Contact Dongguan Lanjin Optoelectronics Co., Ltd. (东荆市蓝晋光电有限公司) to request the 6048 SMD IR LED (660nm / 905nm) datasheet and a free sample — and let us help your next medical-sensing design shine.