Skip to content 
ST Variable Attenuator, Single Mode 0-30dB
Categories:
Product Highlights:
- ST single mode variable attenuator with 0–30dB adjustment for precise optical power control
- Low insertion loss and high return loss ensure stable signal performance
- Compact, durable design suitable for patch panels, test setups, and high-density applications
- FiberMania provides OEM and custom solutions, including tailored connector types, attenuation ranges, and scalable production
Table of Contents
Description
The ST Variable Attenuator is a precision optical component designed to control signal power in single mode fiber networks. With a wide attenuation range of 0–30dB, it allows network engineers to fine-tune optical signal levels, preventing receiver overload and optimizing link performance. Its ST connector interface provides a secure and reliable connection, suitable for both laboratory and field applications.
This variable attenuator features smooth adjustment and consistent optical performance with low insertion loss and high return loss, ensuring minimal signal degradation. Constructed with high-quality materials, it offers long-term durability and stable operation, even in demanding environments. Its compact design makes it ideal for patch panels, test equipment, and optical distribution frames in telecom, data center, and enterprise networks.
Specification
| Fiber Connector: | ST/UPC |
|---|---|
| Ferrule Type: | Zirconia Ceramic |
| Fiber Mode | Single Mode (SMF) |
| Ferrule Material | Zirconia Ceramic |
| Attenuation Range | 0 ~ 30 dB |
| Return Loss (UPC) | ≥ 50 dB |
| Return Loss (APC) | ≥ 60 dB |
| Operating Wavelength | 1260 ~ 1620 nm |
| Polarization Dependent Loss | ≤ 0.2 dB |
| Maximum Optical Input Power | 200 mW |
| Operating Temperature | -25°C ~ +70°C (-13°F ~ +158°F) |
| Storage Temperature | -40°C ~ +85°C (-40°F ~ +185°F) |
| Design Features | Compact size, wavelength-specific optimization |
| Applications | Network Testing, Signal Level Management, System Calibration, Long-Distance Communication, Experimental Setups, Optical Amplifier Protection |
Features
- ST connector for easy and secure fiber connection
- Adjustable attenuation range: 0–30dB
- Compatible with single mode fiber (OS2)
- Low insertion loss and high return loss for stable signal performance
- Smooth and precise attenuation adjustment
- Durable, compact design for high-density and lab environments
- Suitable for patch panels, optical test equipment, and distribution frames
Applications
- Optical signal power control in single mode networks
- Telecom and enterprise network optimization
- Data center optical link management
- Fiber optic test and measurement setups
- Laboratory and field installations
- High-density patch panels and optical distribution systems
FAQs
Q: What is the purpose of a variable attenuator?
A: It allows precise control of optical signal power to prevent receiver saturation and optimize network performance.
Q: What fiber type is supported?
A: It is designed for single mode fiber (OS2).
Q: How is attenuation adjusted?
A: The ST connector interface allows smooth, tool-free adjustment of the attenuation level from 0 to 30dB.
Q: Is this device suitable for testing?
A: Yes, it is widely used in both lab testing and field installations for accurate optical power control.
Q: Can it be customized for OEM solutions?
A: Yes, FiberMania offers OEM and custom manufacturing services including different connector types, attenuation ranges, and packaging options.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
Have Questions? Contact Our Product Experts or Sales Team Today! We Will Fedback You Soon.
