The 14BF-125 from SemiNex Corporation is a Single Mode Laser Diode that operates at a wavelength of 1310 nm. It delivers an output power of 0.28 W and has a spectral width of 10 nm. This continuous wave laser diode has a slope efficiency of 0.25 W/A and power conversion efficiency of 10 %. It requires a threshold current of 0.055 A, DC supply voltage of 2.5 V, and consumes 1.1 A of current. This laser diode has a thermoelectric cooler and thermistor with a thermistor resistance of 10 KOhms. It supports FC/PC connector and is available in a 14-pin butterfly package that measures 30 mm x 12.7 mm x 5.5 mm. This laser diode is ideal for OTDR, LiDAR, free space communications, and network test equipment applications.