SC/UPC Mechanical Variable Optical Attenuator

SC/UPC Mechanical Variable Optical Attenuator

Core Function: Manually adjustable fiber optic attenuator with SC/UPC connectors, used to precisely control optical power in fiber optic communication systems.
Key Features: Rugged metal housing, knurled adjustment knob (tool-free, repeatable), low insertion loss, high return loss, wide compatibility, durable design.
Key Specs: Attenuation range 0~30dB (or 1~30dB), operating wavelength 1310/1550nm (single-mode), operating temp -40°C~+75°C.
Applications: Suitable for power leveling, system testing, equalization in FTTH, CATV, data centers, and optical transmission systems.
Compliance: Meets IEC 60869-1, ITU-T G.652, and RoHS standards.

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Product Description
Specification
Product Advantage

Product Description

1. General Description

This is a mechanical, manually adjustable fiber optic attenuator with SC/UPC connectors, designed to precisely control optical power levels in fiber optic communication systems. It features a rugged metal housing and a knurled adjustment knob for easy, repeatable attenuation setting

Specification

2. Key Specifications

Parameter	Value
Connector Type	SC/UPC (male-to-female adapter style)
Attenuation Range	0 ~ 30 dB (or 1 ~ 30 dB, depending on model)
Attenuation Accuracy	±0.5 dB (1–10 dB); ±1.0 dB (11–20 dB); ±2.0 dB (21–30 dB)
Operating Wavelength	1310 nm, 1550 nm (Single-mode)
Insertion Loss (IL)	≤ 1.0 dB
Return Loss (RL)	≥ 55 dB (UPC polish)
Polarization Dependent Loss (PDL)	≤ 0.5 dB
Wavelength Dependent Loss (WDL)	≤ 1.0 dB
Max Input Power	200 mW
Operating Temperature	-40 °C ~ +75 °C
Storage Temperature	-40 °C ~ +85 °C
Humidity	5 ~ 95 % RH (non-condensing)
Durability	≥ 500 mating cycles
Material	Metal housing (zinc alloy), ceramic ferrule
Dimensions	Approx. Φ22 mm × L30 mm

3. Features & Benefits

• Manual Adjustment: Knurled knob for precise, tool-free attenuation control.

• Stable Performance: Low insertion loss and high return loss for reliable signal integrity.

• Wide Compatibility: Fully compliant with IEC 60869-1 and compatible with all standard SC connectors and adapters.

• Rugged Design: Metal housing ensures durability in harsh environments.

• Versatile Applications: Ideal for power leveling, system testing, and equalization in FTTH, CATV, data centers, and optical transmission systems.

4. Compliance Standards

• IEC 60869-1

• ITU-T G.652

• RoHS compliant

Product Advantage

1

Precise Manual Control: Tool-free knurled knob enables accurate and repeatable attenuation adjustment.
2

Stable Signal Performance: Low insertion loss and high return loss ensure reliable signal integrity.
3

Broad Compatibility: Compliant with IEC 60869-1, compatible with all standard SC connectors and adapters.
4

Durable Construction: Rugged zinc alloy metal housing withstands harsh operating environments.
5

Versatile Application: Suitable for power leveling, system testing and equalization in multiple fiber optic scenarios.
6

High Reliability: Ceramic ferrule and ≥500 mating cycles ensure long-term stable operation.