0RSB-40U05B Datasheet, PDF (1/11 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS

ISOLATED DC/DC CONVERTERS
18 Vdc - 75 Vdc Input 5 Vdc / 8 A Output, 1/16 Brick
May 24, 2011
Bel Power Inc., a subsidiary of Bel Fuse Inc.
0RSB-40U05B RoHS Compliant PRELIMINARY Rev.A
Features
 Isolated
 Input Under Voltage Lockout
 Fixed Frequency
 Output Over Voltage Shutdown
 High Efficiency
 OCP/SCP
 High Power Density
 Over Temperature Protection
 Low Cost
 Positive/Negative Remote Sense
 Output Voltage Trim
 Remote On/Off
 Basic Insulation
 Through Hole
 Class 2, Category 2, Isolated DC/DC Converter (refer to IPC-9592)
 UL60950-1 Recognized (UL/cUL) (Pending)
Applications
 Networking
 Computers and peripherals
 Telecommunications
Description
The 0RSB-40U05B is an isolated dc/dc converter that operates from a nominal 24 Vdc or 48 Vdc source. The
unit will provide up to 40 W of output power from an 18-75 Vdc wide input range. The unit is designed to be
highly efficient and low cost. Features include remote on/off, over current protection and under voltage lockout.
This converter is provided in an industry standard sixteenth brick package.
Part Selection
Output Voltage
5.0 Vdc
Input Voltage
18 Vdc - 75 Vdc
Max. Output
Current
8A
Max. Output
Power
40 W
Typical Efficiency
87%
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Model Number
Active Low
0RSB-40U05B
Part Number Explanation
0 R SB – 40 U 05 B
12 3 4 5 67
1---Through hole
2---RoHS 6, change “R” to “7” means RoHS 5
3---Series name, 1/16 Brick
4---Series code
5---Input range (18-75V)
6---Output voltage (5V)
7---Enable, active low, pin length is 0.11 inch
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel [phone]  Fax [phone]  www.belfuse.com
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