POF — Plastic Optical Fiber Patchcord

Large PMMA core for easy alignment

Datasheet (PDF)

1 mm step-index SI-POF with numerical aperture 0.5, compliant with IEC 60793-2-40 Class A4a
Low attenuation: 0.19 dB/m at 650 nm, ideal for short-range links up to tens of metres
Simplex cable OD 2.2 mm; duplex (figure-of-8) minor axis 2.2 mm, major axis 4.4 mm
UL VW-1 flame-retardant jacket option available for building and equipment installations
Minimum bend radius 25 mm; repeat bending endurance ≥10,000 cycles (≤1 dB additional loss)
Tensile rating: 70 N simplex / 140 N duplex cable

Control links within high-voltage electrical control equipment requiring full galvanic isolation
Data communications systems in environments with extreme electromagnetic interference (EMI)
Industrial automation links between equipment requiring maintained electrical isolation
Rugged short-range optical links in harsh factory, process control, and automotive environments

Fiber Standard	IEC 60793-2-40 Class A4a (SI-POF)
Numerical Aperture	0.5
Attenuation at 650 nm	≤0.19 dB/m
Fiber Diameter (incl. cladding)	0.94 to 1.06 mm (nominal 1.0 mm)
Cable Diameter, Simplex	2.13 to 2.27 mm (nominal 2.2 mm)
Cable Diameter, Duplex Minor Axis	2.13 to 2.27 mm
Cable Diameter, Duplex Major Axis	4.3 to 4.5 mm
Jacket Material	Flame-resistant PE or PVC
Jacket Color	Black; Duplex cable has white identifying bar on one strand
UL Flame Rating	VW-1
Tensile Stress, Simplex / Duplex	70 N / 140 N
Minimum Bend Radius	25 mm
Repeat Bending Endurance	≥10,000 cycles (≤1 dB additional loss)
Operating Temperature	-40°C to +85°C