ISOLATED DC/DC CONVERTERS
24 Vdc/48 Vdc Input 1.2 Vdc - 12 Vdc / 18 A - 3.5 A Outputs, 1/16 Brick
Apr. 07, 2011
Bel Power Inc., a subsidiary of Bel Fuse Inc.
xRSB-40U Series
Features
RoHS Compliant
Rev.C
Input Under Voltage Lockout
Output Over Voltage Shutdown
OCP/SCP
Isolated
Fixed Frequency
High Efficiency
High Power Density
Low Cost
Over Temperature Protection
Wide Input Voltage
Output Voltage Trim
Basic Insulation
Remote On/Off Logic (Option)
Positive/Negative Remote Sense
Through Hole and SMT(Option)
Input Over Voltage Protection
Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592)
UL60950-1 Recognized (UL/cUL) (Pending)
Applications
Networking
Computers and peripherals
Telecommunications
Description
The xRSB-40U series are isolated dc/dc converters that operate from a nominal 24 Vdc or 48 Vdc source. These
units will provide up to 40 W of output power from an 18 Vdc - 75 Vdc wide input range. These units are designed
to be highly efficient and low cost. Features include remote on/off, over current protection and under voltage
lockout. These converters are provided in an industry standard sixteenth brick package.
Part Selection
Output
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active Low
Model Number
Active High
Voltage
1.2 Vdc
1.5 Vdc
1.8 Vdc
2.5 Vdc
3.3 Vdc
5.0 Vdc
12 Vdc
18 Vdc - 75 Vdc
18 Vdc - 75 Vdc
18 Vdc - 75 Vdc
18 Vdc - 75 Vdc
18 Vdc - 75 Vdc
18 Vdc - 75 Vdc
18 Vdc - 75 Vdc
18 A
16 A
14 A
12 A
10 A
8 A
22 W
24 W
25 W
30 W
33 W
40 W
42 W
82%
84%
85%
86%
87.5%
87%
85%
xRSB-40UV2L
xRSB-40UV5L
xRSB-40UV8L
xRSB-40U02L
xRSB-40U03L
xRSB-40U05L
xRSB-40U12L
xRSB-40UV20
xRSB-40UV50
xRSB-40UV80
xRSB-40U025
xRSB-40U033
xRSB-40U050
xRSB-40U120
3.5 A
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
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