0RSB-40U03B Datasheet, PDF (1/14 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS

ISOLATED DC/DC CONVERTERS
18 Vdc - 75 Vdc Input 3.3 Vdc /10 A Output, 1/16 Brick
Jun. 17, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
0RSB-40U03B
RoHS Compliant
Rev.A
Features
• Isolated
• Output Over-Voltage Shutdown
• High Efficiency
• Output Voltage Trim
• High Power Density
• OCP/SCP
• Fixed Frequency (500 kHz)
• Over Temperature Protection
• Low Cost
• Remote On/Off
• Input Under-Voltage Lockout • Positive/Negative Remote Sense
• Basic Insulation
• Comply with ANSI T1.315
• Class 1, Category 2, Non-Isolated DC/DC Converter (refer to IPC-9592)
• UL60950-1 Recognized (UL/cUL) (Pending)
Applications
• Networking
• Computers and peripherals
• Telecommunications
Description
The 0RSB-40U03B is an isolated dc/dc converter that operates from a nominal 24 Vdc or 48 Vdc source. This
unit will provide up to 33 W of output power from an 18-75 Vdc wide input range. This 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 through hole package.
Part Selection
Output
Voltage
3.3 Vdc
Input Voltage
18 Vdc-75 Vdc
Max. Output
Current
10 A
Max. Output
Power
33 W
Typical
Efficiency
87.5%
Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging.
Part Number Explanation
0 R SB – 40 U 03 B
12 3 4 5 6 7
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 48V wide (18-75V)
6---Output voltage 3.3V
7---Option
Model Number
Active Low
0RSB-40U03B
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
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