FC 7dB Fixed Fiber Attenuator

Standard FC fiber optic connector, plug-and-play.
Fixed attenuation value: 7dB, stable and accurate.
Male to female structure, easy for in-line installation.
Low insertion loss, good reliability and durability.
Suitable for optical power regulation in fiber communication systems.

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Product Description
Specification
Product Advantage

Product Description

1. General Description

This is a passive, plug-in type fixed fiber optic attenuator designed to precisely reduce optical power in fiber optic communication systems. It features a male-to-female (plug-to-jack) configuration for direct insertion into existing networks, ensuring stable and accurate signal attenuation.

Specification

2. Key Specifications

Parameter	Value
Attenuation Value	7 dB
Attenuation Accuracy	±0.5 dB (for 1-10 dB range)
Fiber Type	Singlemode
Operating Wavelength	1310 nm, 1550 nm (dual-band)
Connector Type	FC/APC, FC/UPC, ST/UPC (available variants)
Connector Gender	Male-to-Female (Plug-to-Jack)
Return Loss	> 50 dB (UPC), > 60 dB (APC)
Insertion Loss	≤ 0.3 dB
Polarization Dependent Loss (PDL)	≤ 0.1 dB
Maximum Input Power	200 mW (continuous)
Durability	> 1000 mating cycles
Operating Temperature	-40 °C to +75 °C
Storage Temperature	-40 °C to +85 °C
Humidity	Up to 95% RH (non-condensing)
Compliance	RoHS, Telcordia GR-326-CORE, IEC 61754

3. Material & Construction

• Housing: Stainless steel / zinc alloy

• Ferrule: Zirconia (ceramic)

• Body: Precision-machined metal with knurled surface for easy handling

• Protective Caps: Plastic dust caps for both male and female ends

4. Applications

• Fiber optic telecommunication networks

• CATV and broadband systems

• Test and measurement equipment

• Data centers and enterprise networks

• Power leveling for optical amplifiers and DWDM systems

Product Advantage

1

Precise Attenuation Performance: Provides fixed 7dB attenuation with ±0.5dB accuracy, ensuring stable and reliable optical signal control.
2

Wide Connector Compatibility: Available in FC/APC, FC/UPC and ST/UPC variants, fitting most standard fiber optic infrastructure.
3

Excellent Signal Integrity: Features low insertion loss (≤0.3dB) and high return loss, effectively preserving signal quality.
4

Durable Construction: Made of metal housing and zirconia ceramic ferrule, supporting over 1000 mating cycles for long-term use.
5

Broad Environmental Adaptability: Operates stably in -40 °C to +75 °C, suitable for harsh working environments.
6

Easy Plug-and-Play Installation: Male-to-female design enables seamless integration into existing fiber optic networks without extra tools.