Hangzhou Brandnew Technology Co., Ltd. is one of China's leading manufacturers and premier suppliers of advanced 850nm 5mW VCSEL SMD 2121 Laser Diode. Operating a state-of-the-art factory, we specialize in the entire production spectrum—from high-performance chips, TO/F/C Mounts, COS, and MCC bars, to robust stacks and advanced fiber-coupled solutions.
850nm 5mW VCSEL SMD Diode QCW Or CW Laser
Features:
- 850nm near-infrared band, 5mW stable rated output
- Standard 2121 mini SMD surface-mount package
- VCSEL perfect circular uniform spot, narrow divergence angle
Applications:
- Mobile phone face recognition, short-distance 3D sensing & proximity detection modules
- Handheld barcode scanners, portable data acquisition optical light source
- Machine vision auxiliary positioning, industrial miniature laser calibration indicator
- Medical wearable oximeters, biological non-contact infrared detection equipment

This 850nm 5mW VCSEL laser adopts compact 2121 SMD packaging and supports CW/QCW dual operation modes. It delivers uniform circular infrared beam with low power consumption and excellent stability. Widely used in consumer 3D sensing, barcode scanning, medical wearable detection, and miniature industrial optical positioning devices.
Data Sheet
Item No: VC850SMD0005
| Optical | |
| Center Wavelength | 850nm |
| Wavelength Tolerance | ±10nm |
| Output Power | 5mW |
| Working Mode | QCW/CW |
| Pulse Width | 0.5ms |
| Duty Cycle | 1% |
| Divergence Angle | 22Degree |
| Electrical | |
| Operating Current Iop | 7mA |
| Threshold Current Ith | 1mA |
| Operating Voltage Vop | 2.1V |
| Slope Efficiency | 1W/A |
| Thermal | |
| Test Temperature | 25℃ |
| Storage Temperature | -40~+105℃ |
Drawing:

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