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SK D4 Multimode Fibre Connectors For Telecommunication Network , Optical Fiber Connector

The D4 connector is probably the first connector to use ceramic or hybrid ceramic/stainless steel ferrules.
It uses a smaller ferrule than SCs or FCs. It was widely used in telco networks in the 80s to early 90s and some may still be in use.

Features

Product Details:
Place of Origin: China
Brand Name: TTI
Certification: ISO, SGS, ROHS
Model Number: FOC-D4
Payment & Shipping Terms:
Minimum Order Quantity: 10 pcs
Price: Negotiation
Packaging Details: PE bag
Delivery Time: 2-3 days
Detailed Product Description
Connector Type: D4 Ferrule End-face: PC, UPC
Fiber Type: Singlemode, Multimode Cable Type: Simplex, Duplex
Cable OD: 0.9/2.0/3.0mm Housing Material: Metal
Insertion Loss: <0.3dB Return Loss: >50dB
D4 Multimode Fiber Optic Connector for Telecommunication Network
Description:
The D4 connector is probably the first connector to use ceramic or hybrid ceramic/stainless steel ferrules.
It uses a smaller ferrule than SCs or FCs. It was widely used in telco networks in the 80s to early 90s and some may still be in use.
Features: 
Location key structure have high precision alignment
Corrosion resistant body (Nickel plated brass)
Spring style ferrule
Variety of boot colors
Low insertion loss and back reflection loss
Comply with ROHS
Application:
CATV
Active device termination
Test equipment
Local Area Networks (LANs)
Telecommunication networks
Data processing networks
Wide Area Networks (WANs)

Specification

Specification:

D4 connector

Singlemode

Multimode

Insertion Loss

≤0.20dB

≤0.25dB

Return Loss

≥50dB(PC)

N/A

≥55dB(UPC)

Durability

≤0.20dBtypicalchange,1000mating

Operating temperature

-40 ~ +80 ºC

Order Information:

Connector

Fiber Core

Cable Diameter

Fiber Type

Polishing

Connector Color

D4

Simplex

0.9mm

2.0mm

3.0mm

9/125um (SM)

50/125um (MM)

62.5/125um (MM)

PC

UPC

White

Black

Beige

Others

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