This LW015S11R09-61 is one piece of New Lucent/Tyco 15 Watt DC/DC Converter, 36-75V Input, 11V/1.3A Output in a quarter brick size of 1.00" x 2.00" x 0.40" (25.4 x 50.8 x 10.2 mm). 

General Spec for LW015S11R09-61:

• Input DC Voltage: 36V to 75V, 0.8A
• Output DC Voltage: 11V
• Maximum Output Current: 1.3A
• Efficiency: 88%
• Operating Temp Range: -40C to +105C
• Input to Output Isolation: 1500V
• Weight: 1 Oz (28.3g)

Detail Spec see Data Sheet at:

http://pdf1.alldatasheet.com/datasheet-pdf/view/151739/MACOM/LW015.html