EFB Electronics ST-II connector simplex singlemode

The EFB Electronics ST-II connector simplex singlemode is a high-quality fiber optic connector designed for reliable singlemode fiber connections. Manufactured by EFB, this connector features a nickel-plated brass housing and a zirconia ceramic ferrule with a diameter of 2.5 mm, ensuring low insertion loss and high return loss. It is ideal for use in data centers, telecommunications, LAN, and FTTx applications.

Advantages

This ST-II connector offers excellent performance with typical insertion loss ≤ 0.3 dB and return loss ≥ 50 dB. The PC (Physical Contact) polishing type ensures optimal signal transmission. With durability exceeding 500 mating cycles and an operating temperature range of -40°C to +85°C, it provides long-lasting reliability in various environments.

Suitable for

• Data Centers
• Telecommunications
• Local Area Networks (LAN)
• FTTx (Fiber to the x)

Key specifications

• Connector Type: ST-II
• Fiber Mode: Singlemode
• Configuration: Simplex
• Ferrule Material: Zirconia Ceramic
• Ferrule Diameter: 2.5 mm
• Polishing Type: PC (Physical Contact)
• Insertion Loss (Typical): ≤ 0.3 dB
• Return Loss (Typical): ≥ 50 dB
• Fiber Compatibility: 9/125 µm
• Housing Material: Nickel-plated Brass
• Durability: > 500 Mating Cycles
• Operating Temperature: -40°C to +85°C
• Standards Compliance: IEC 61754-2, TIA/EIA-604-2
• Assembly Method: Epoxy & Polish
• RoHS Compliance: Yes
• Color: Silver (housing)
• Quantity per Pack: 1 piece

Recommendations

For optimal performance, use with compatible singlemode fiber cables and ensure proper cleaning before mating. This connector is suitable for field termination using epoxy and polish method.