1 310 nm FOR 156 Mb/s, 622 Mb/s, 1.25 Gb/s, FTTH
InGaAsP MQW-FP LASER DIODE

DESCRIPTION
The NX5321 Series is a 1 310 nm Multiple Quantum Well (MQW)
structured Fabry-Perot (FP) laser diode with InGaAs monitor PIN-PD. These
devices are designed for application up to 1.25 Gb/s.
APPLICATIONS
• STM-1 (I-1, S-1.1), STM-4 (I-4, S-4.1), ITU-T recommendations
• FTTH P2P (Fiber To The Home Point to Point) system

FEATURES
• Optical output power Po = 5.0 mW
• Low threshold current lth = 7 mA
• Differential efficiency ηd = 0.3 W/A
• Wide operating temperature range TC = −40 to +85°C
• InGaAs monitor PIN-PD
• CAN package φ 5.6 mm
• Fiber coupling point 5.8 mm