1 550 nm FOR 156 Mb/s, 622 Mb/s
InGaAsP MQW-DFB LASER DIODE

DESCRIPTION
The NX6504 Series is a 1 550 nm Multiple Quantum Well (MQW) structured
Distributed Feed-Back (DFB) laser diode with InGaAs monitor PIN-PD. This
device is ideal for Synchronous Digital Hierarchy (SDH) system, STM-1, STM-
4, ITU-T recommendations.
FEATURES
• Optical output power Po = 5.0 mW
• Low threshold current lth = 12 mA
• High speed tr, tf = 0.5 ns MAX.
• Side mode suppression ratio SMSR = 45 dB
• Wide operating temperature range TC = −10 to +85°C
• InGaAs monitor PIN-PD
• CAN package φ 5.6 mm
• Based on Telcordia reliability