ST-ST Single Mode Duplex Plastic Fiber Optic Adapter Blue

The ST-ST single-mode duplex fiber optic adapter provides stable low-loss connectivity for telecom and enterprise fiber optic networks.

SKU STSTSDP Category
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The ST-ST Single Mode Duplex Fiber Optic Adapter is a precision alignment component designed for reliable fiber optic connectivity in single-mode networks. It enables stable mating between ST connectors while ensuring accurate core alignment and low-loss signal transmission.

Manufactured with durable flame-retardant PBT (UL 94V-0) housing, this adapter provides excellent mechanical strength and long-term stability in demanding environments. The blue housing color follows industry-standard identification for single-mode applications, helping simplify fiber management in complex network systems. With high durability and consistent optical performance, it is suitable for telecom, FTTH, and enterprise backbone deployments.
Adapter StyleST-ST
Fiber ModeSingle Mode
Adapter TypeDuplex
Housing MaterialPBT (UL 94V-0)
Housing ColorBlue
Insertion Loss≤ 0.2 dB
Anti-Pulling Force200–600 g
Durability≥ 1000 mating cycles
Operating Temp-40°C to +85°C
Alignment SleevePrecision Ceramic
ApplicationTelecom / FTTH / ODF
Installation TypePanel Mount
OEM/ODMSupported
  • ST-ST single-mode duplex fiber optic adapter
  • Precision alignment sleeve for stable optical connection
  • Low insertion loss for reliable signal transmission
  • Durable PBT (UL 94V-0) flame-retardant housing
  • Industry-standard blue color coding for single-mode
  • High mating durability for long service life
  • Stable mechanical and optical performance
  • Easy installation in standard ST panel cutouts
  • Suitable for high-density fiber environments
  • OEM/ODM customization available
  • Telecom fiber optic networks
  • FTTH / FTTx systems
  • Optical distribution frames (ODF)
  • Enterprise backbone networks
  • Data communication systems
  • Fiber optic patch panels

We provide full OEM/ODM services, including customization of housing material (plastic or metal), color options, connector types (ST, SC, LC, FC), labeling, and packaging. Solutions can be tailored for both single-mode and multimode network requirements.

Q1: Why is the adapter color blue?
A: Blue is the standard industry color code for single-mode ST fiber optic components.

Q2: What is the function of this adapter?
A: It aligns two ST connectors precisely to ensure low-loss optical transmission.

Q3: Is this adapter suitable for multimode fiber?
A: No, this version is designed for single-mode applications.

Q4: What material is used for the housing?
A: It uses flame-retardant PBT material compliant with UL 94V-0 standards.

Q5: Can this adapter be customized?
A: Yes, OEM options include housing material, color, connector type, and branding.