Description
Flat Window TO Mount 1310nm 5mW TO56 Diode Laser
Features:
- 1310nm optical communication wavelength stable 5mW
- Standard TO56 hermetic package, compact size
- Low threshold current, low wavelength drift
Applications:
- Short-haul Optical Communication Modules: Widely used in access network transceivers, optical fiber data transmission, and LAN communication equipment.
- Fiber Sensing & Monitoring Systems: Applied in distributed temperature and strain sensing, industrial pipeline monitoring, and structural health detection.
- Optical Test & Instrumentation Light Source: Serves as a standard test source for fiber loss testing, optical component characterization.
- FTTX & Optical Access Equipment: Integrated into optical network units, passive optical network systems, and small communication terminals.

This 1310nm 5mW TO56 laser diode with flat window features compact structure, stable output, and low optical loss. It is widely used in optical communication, fiber sensing, testing instruments, FTTx equipment, and industrial optical transmission. With reliable performance and easy integration, it provides an economical and practical light source for medium‑short haul optical systems.
Data Sheet
Item No: TO1310DL0005
| Optical | Typical |
| Center Wavelength | 1310nm±10nm |
| Output Power | 5mW |
| Beam Divergence FWHM Fast | 20DEG |
| Beam Divergence FWHM Slow | 30DEG |
| Electrical | |
| Threshold Current Ith | 7mA |
| Operating Current Iop | 30mA |
| Operating Voltage Vop | 1.3V |
| Thermal | |
| Test Temperature | -5~70℃ |
| Storage Temperature | -40~100℃ |
| Wavelength Temp. Coefficint | 0.09nm/℃ |
Drawing:

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