Optical Electrical Characteristics (TCHIP = 25 °C, P = 40 mW)
Characteristic	MIN	TYP	MAX	UNIT
Lasing Wavelength	1619.5	1620	1620.5	nm
Spectral Bandwidth	N/A	N/A	N/A	nm
Optical Output Power	25	40	N/A	mW
Operating Voltage	N/A	1.5	1.8	V
Beam Divergence (FWHM) - Parallel	N/A	N/A	N/A	deg.
Beam Divergence (FWHM) - Perpendicular	N/A	N/A	N/A	deg.
Operating Current	N/A	300	N/A	mA
Threshold Current	N/A	50	N/A	mA
Monitor Current	N/A	N/A	N/A	mA
Slope Efficiency	N/A	0.2	N/A	mW/mA

Absolute Maximum Ratings (Tc = 25 °C)
Characteristic
Fiber Output Power	N/A	mW
Pulsed Optical Power	N/A	mW
LD Reverse Voltage	N/A	V
PD Reverse Voltage	N/A	V
Operation Case Temperature	10 to 60	°C
Storage Temperature	N/A	°C

TEC Operation (Typ./Max@TCASE=25°C/60 °C)
Characteristic	MIN	TYP	MAX	UNIT
TEC Current	N/A	0.3	N/A	A
TEC Voltage	N/A	0.6	N/A	V
Thermistor Resistance	N/A	10	N/A	KΩ

Auto CAD PDF

Auto CAD DXF

Solidworks

eDrawing

Step

Manual

Spec Sheet

Catalog Page

Fiber Specification
Characteristic
Fiber Type	SMF28
Core Diameter	8.2 µm
Mode Field Diameter *	10.4 ± 0.5 µm at 1550 nm
NA	0.14
Fiber Length	1.5 m
Connector	FC/APC

*Mode Field Diameter (MFD) is specified as a nominal value.

SFL1620S - 1620 nm, 40 mW, Butterfly Single-Frequency Laser, SM Fiber, FC/APC