Product Summary

The M-D372-20 uncooled laser module consists of a laser diode coupled to a single-mode fiber pigtail. The
device is available in a standard, 8-pin configurationand is ideal for longreach (SONET) and other high-speed digital applications. The M-D372-20 includes a narrow linewidth (<1 nm), DFBMQW single-mode laser and an InGaAs PIN photodiode back-facet monitor in a hermetically sealed package. This package is optimized for a 25 Ω input impedance and allows for dc biasing through an internal bias T. A thermistor of the M-D372-20 has been included for feedback to boardlevel bias circuitry, if needed.

Parametrics

M-D372-20 absolute maximum ratings: (1)Maximum Peak Laser Drive Current or Maximum Fiber Power: IOP: 150mA max; PMAX: 10mW max; (2)Peak Reverse Laser Voltage: Laser:VRL=2v max ; Monitor: VRD=20v max; (3)Monitor Forward Current, IFD:2 mA max; (4)Operating Case Temperature Range, TC: -40 to 85 ℃; (5)Storage Case Temperature Range, Tstg: -40 to 85 ℃; (6)Lead Soldering Temperature/Time: 260/10 ℃/s max; (7)Relative Humidity (noncondensing), RH: 85 % max.

Features

M-D372-20 features: (1)8-pipackage suitable for SONET applications; (2)Narrow linewidth, distributed feedback, multiquantum-well (DFB-MQW)1.3 μm laser with single-mode; (3)fiber pigtail; (4)Choice of wide operating temperature ranges: –40 ℃ to +85 ℃ or 0 ℃ to +85 ℃; (5)No TEC required; (6)High output power: typical 2.0 mW peak power coupled into single-mode fiber; (7)Hermetically sealed active components; (8)Internal back-facet monitor; (9)Built-ithermistor and bias T; (10)25 Ω input impedance; (11)Internal isolator; (12)Qualificatioprogram: Telcordia Technologies TA-98.

Diagrams

M-D372-20 D372-Type Digital Uncooled DFB Mini 8-Pin Laser Module Schematic