ISOLATED DC/DC CONVERTERS
18 Vdc - 75 Vdc Input 12 Vdc /12 A Output, 1/4 Brick
Aug. 19, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
0RQB-C5U12x
RoHS Compliant
Rev.D
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Isolated
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Over Temperature Protection
SCP/OCP
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Fixed Frequency (260 kHz)
High Efficiency
Low Cost
High Power Density
Remote On/Off
Input Under-Voltage Lockout
Input Over-Voltage Lockout
Output Over-Voltage Shutdown
Basic Isolation
Positive/Negative Remote Sense
Output Voltage Trim
Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592)
UL60950-1 Recognized (UL/cUL) (Pending)
Applications
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Networking
Computers and peripherals
Telecommunications
Description
The 0RQB-C5U12x is isolated dc/dc converter that operates from a wide input range (18 Vdc - 75 Vdc) and can
cover both 24 Vdc and 48 Vdc input range. This unit will provide up to 144 W of output power. This unit is
designed to be highly efficient and low cost. Features include remote on/off, over current protection, over voltage
shut down, over temperature protection and under voltage lockout. This converter is provided in an industry
standard 1/4 brick package.
Part Selection
Output Voltage
Input Voltage
Max. Output
Current
Max. Output
Power
Typical
Efficiency
Model Number
Active High
Model Number
Active Low
12 Vdc
18 Vdc - 75Vdc
12 A
144 W
93%
0RQB-C5U120
0RQB-C5U12L
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Part Number Explanation
0 R QB – C5 U 12 x
1 2
3
4
5
6
7
1---Through hole
2---RoHS 6, change “R” to “7” means RoHS 5
3---Series name
4---Series code
5---Input range (18-75V)
6---Output voltage (12V)
7---Suffix
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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