Fiber Optic PBT Coupler

Optical Coupler 1×2 (20:80) 

Category	Specification
Product Type	Fiber Optic Coupler / Splitter
Configuration	1 × 2
Split Ratio	other options available
Available Ratios	99/1, 98/2, 95/5, 90/10, 80/20, 70/30, 60/40, 50/50, 54/45, 75/25
Fiber Type	Single Mode (SMF-28e or equivalent)
Operating Wavelength	1310 / 1550 nm (1260–1650 nm range)
Insertion Loss (50:50)	≤ 3.4 dB
Loss Uniformity	≤ 0.8 dB
Return Loss	≥ 55 dB
PDL	≤ 0.15 dB
Directivity	≥ 55 dB
Connector Type	Without Connector
Package Type	Steel Tube / ABS Box
Dimensions	90 × 20 × 10 mm
Tube Size	Ø3.0 × 50 mm
Operating Temperature	-40°C to +85°C
Stability	High environmental & mechanical stability