BlueOptics SC Simplex Singlemode Fiber Optic Attenuator 4dB

The BlueOptics SFA22BK4 is a high-quality fixed fiber optic attenuator designed for singlemode fiber networks. It provides precise 4dB attenuation to optimize signal levels and prevent receiver overload. With SC/UPC simplex connectors and ceramic ferrule, it ensures low insertion loss and high return loss for reliable performance in telecom and data center applications.

Advantages

Precise 4dB attenuation ensures optimal signal strength. High return loss >45dB minimizes reflections. Ceramic ferrule provides durability and stable connection. Wide operating temperature range (-40°C to +75°C) suits harsh environments.

Suitable for

• Singlemode fiber optic networks (OS1, OS2)
• Telecommunications and data centers
• FTTx and CATV systems
• Testing and measurement equipment

Key specifications

• Attenuation: 4 dB
• Connector: SC/UPC Simplex
• Fiber mode: Singlemode
• Wavelength range: 1270 nm - 1610 nm
• Return loss: >45 dB
• Insertion loss: <0.1 dB
• Ferrule: Ceramic
• Operating temperature: -40°C to +75°C

Recommendations

For optimal performance, use with high-quality singlemode patch cables and ensure clean connector ends. Ideal for balancing signal levels in DWDM and CWDM systems.