The AVOZ-E4-B from Avtech Electrosystems Ltd is a Laser Diode Driver with Operating Temperature 5 to 40 Degree C, Compliance Voltage 5 to 250 V, Output Current 125 A, Pulse Width 500 ns to 10 µs, Output Voltage 5 to 250 V. More details for AVOZ-E4-B can be seen below.