The LDQCW-50-XX-YY-ZZ from Lumina Power, Inc. is a Laser Diode Driver with Operating Temperature 0 to 40 Degree C, Storage Temperature -20 to 85 Degree C, Output Current 120 A, Pulse Width 50 µs to 2 ms, Input Voltage 90 to 264 V AC. More details for LDQCW-50-XX-YY-ZZ can be seen below.