7070 High Power IR LED 3W 740/850/940nm for Therapy Belts & Hair Capsdevices.
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7070 High Power Infrared LED Chip | 3W 740/850/940nm for Therapy Belts & Hair Growth Caps
Product Overview
Core Specifications
| Parameter | Details |
|---|---|
| Package | Ceramic SMD 7070 (6.85 × 6.85 × 4.3mm) |
| Integrated Chips | Single high-power infrared die |
| Available Wavelengths | 740nm, 850nm, 940nm |
| Pin Count | 2 pins (1 pair of positive/negative poles) |
| Beam Angle | 120° wide beam for uniform coverage |
| Power | 3W per chip |
| Recommended Current | 700mA |
| Thermal Design | High-thermal-conductivity ceramic substrate |
| Lens Material | High-transparency infrared-transmissive silicone dome lens |
| Compliance | RoHS, CE compliant for medical and consumer electronics |
Wavelength-by-Wavelength Performance
| Wavelength | Voltage Range | Light Power | Key Applications & Benefits |
|---|---|---|---|
| 740nm | 1.8–2.2V | 400–500mW | Optimal for hair growth: Penetrates precisely to hair follicle depth, stimulates follicle metabolism and extends anagen phase; also ideal for biometric identification and vein detection |
| 850nm | 1.4–1.8V | 400–500mW | Best for deep tissue therapy: Balanced penetration depth and energy output, enhances blood circulation, accelerates tissue repair and reduces inflammation |
| 940nm | 1.2–1.6V | 300–400mW | No-red-glow infrared: Completely invisible to the human eye, provides discreet therapy without light emission; perfect for wearable devices and night vision applications |
Key Advantages
High Power Density: 3W output delivers industry-leading infrared intensity for faster and more effective therapeutic results
Premium Ceramic Substrate: Provides superior heat dissipation compared to plastic packages, ensuring long lifespan and stable performance even during 24/7 operation
120° Wide Beam Angle: Ensures uniform coverage across large treatment areas, ideal for body therapy belts and full-scalp hair growth caps
Multiple Wavelength Options: Three clinically validated infrared wavelengths to suit different therapeutic requirements
Robust 7070 Package: Rugged design withstands the mechanical stresses of wearable devices
Drop-in Compatibility: Standard footprint simplifies integration into existing and new device designs
Primary Applications
Infrared therapy belts – for back, waist, abdomen and joint therapy
Laser hair growth caps and helmets
Wearable infrared therapy devices
Professional medical phototherapy equipment
Muscle recovery and rehabilitation devices
Biometric identification systems (fingerprint, vein, iris scanners)
Night vision and security equipment
Industrial infrared sensing and detection
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