SC/UPC 5dB Fiber Optic Attenuator

Product Type: Fixed flange-type fiber optic attenuator, SC/UPC female-to-female connector.
Core Parameters: 5dB nominal attenuation (±0.5dB tolerance), single-mode (9/125μm) fiber, operating wavelength 1310/1550nm.
Optical Performance: Insertion loss ≤0.2dB, return loss ≥50dB (UPC polish), PDL ≤0.2dB, ≥1000 mating cycles durability.
Mechanical & Environmental: Blue high-strength plastic housing with stainless steel clip, panel-mountable; operating temp -40°C to +70°C, RoHS compliant.
Applications: Suitable for fiber optic telecom networks, CATV, FTTH systems, optical amplifier/DWDM equipment, and test setups.

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Product Description

1. General Information

• Product Type: Fixed value fiber optic attenuator (bulkhead/flange type)

• Connector Interface: SC/UPC (female-to-female)

• Attenuation Value: 5 dB (nominal)

• Fiber Mode: Single-mode (9/125 μm)

• Housing Material: High-strength plastic (blue) with stainless steel clip

• Compliance: RoHS, Telcordia GR-910-CORE, IEC 60869-1

2. Optical Performance

Parameter	Specification
Attenuation Tolerance	±0.5 dB (for 5 dB nominal)
Operating Wavelength	1310 nm / 1550 nm (1260–1625 nm range)
Insertion Loss	≤ 0.2 dB (excluding fixed attenuation)
Return Loss	≥ 50 dB (UPC polish)
Polarization Dependent Loss (PDL)	≤ 0.2 dB
Maximum Optical Input Power	≥ 200 mW (or ≥ 500 mW, per grade)
Durability	≥ 1000 mating cycles

3. Environmental Specifications

4. Mechanical Dimensions

• Form Factor: Standard SC flange adapter with integrated attenuation

• Mounting: Panel-mountable via two side holes

• Color: Blue (UPC) / Green (APC, optional)

5. Applications

• Fiber optic telecommunication networks

• CATV and FTTH systems

• Optical amplifier and DWDM equipment

• Test and measurement setups

1

Precise Attenuation: 5dB nominal value with ±0.5dB tolerance, ensuring stable optical signal control.
2

High Compatibility: SC/UPC female-to-female interface, compatible with single-mode (9/125μm) fiber systems.
3

Superior Optical Performance: Low insertion loss (≤0.2dB) and high return loss (≥50dB) for reliable signal transmission.
4

Durable & Sturdy: High-strength blue plastic housing with stainless steel clip, supporting ≥1000 mating cycles.
5

Wide Environmental Adaptability: Operates stably in -40°C to +70°C, compliant with RoHS and industry standards.
6

Versatile Applications: Ideal for telecom networks, CATV, FTTH systems, optical equipment and test setups.