The AVOZ-D8-B from Avtech Electrosystems Ltd is a Laser Diode Driver with Operating Temperature 5 to 40 Degree C, Compliance Voltage 2 to 40 V, Output Current 4 A, Pulse Width 100 ns to 2 µs, Output Voltage 2 to 40 V. More details for AVOZ-D8-B can be seen below.