0RSB-40U12B Datasheet, PDF (1/12 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS

ISOLATED DC/DC CONVERTERS
18 Vdc - 75 Vdc Input, 12 Vdc/3.5 A Output
Apr. 19, 2011
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
0RSB-40U12B RoHS Compliant PRELIMINARY Rev.A
Features
 Isolated
 Output Over-voltage Shut Down
 High Efficiency
 Over Temperature Protection
 Fixed Frequency
 OCP/SCP
 High Power Density
 Remote ON/OFF
 Low Cost
 Positive/Negative Remote Sense
 Input Under-voltage Lockout  Basic Insulation
 Output Voltage Trim
 Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592)
Applications
 Networking
 Computers and peripherals
 Telecommunications
Description
The 0RSB-40U12B series is isolated dc/dc converter that operates from a nominal 24 Vdc or 48 Vdc source.
These units will provide up to 42 W of output power from an 18 - 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 Voltage
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
12 Vdc
18 Vdc - 75 Vdc
3.5 A
42 W
85%
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Model Number
Active Low
0RSB-40U12B
Part Number Explanation
0 R SB – 40 U 12 B
12 3 4 5 6 7
1---Through hole mount
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 (12V)
7---Option, “x” of the model part number to be 0-9, A-Z, which will represent the special request of
customer.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel [phone]  Fax [phone]  www.belfuse.com
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