VHB75-D24-S2R5 CUI Inc, VHB75-D24-S2R5 Datasheet - Page 3

• Manufacturer Part Number: VHB75-D24-S2R5
• Description: CONVERTER DC/DC 2.5V OUT 37.5W
• Manufacturer: CUI Inc
• Series: V-Infinity VHB75r
• Type: Isolatedr

Specifications of VHB75-D24-S2R5

• Output: 2.5V
• Number Of Outputs: 1
• Power (watts): 75W
• Mounting Type: Through Hole
• Voltage - Input: 18 ~ 36V
• Package / Case: 9-DIP Module
• 1st Output: 2.5 VDC @ 15A
• Size / Dimension: 2.40" L x 2.28" W x 0.50" H (61mm x 57.9mm x 12.7mm)
• Power (watts) - Rated: 37.5W
• Operating Temperature: -40°C ~ 100°C
• Efficiency: 77%
• Approvals: cUL, TUV, UL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Other names: 102-1259

PART NUMBER: VHB75
APPLICATION NOTES
1. OUTPUT DE-RATING
The operating case temperature range of the VHB75 series is -40°C to +100°C. When operating the VHB75, proper derating or cooling
is needed. Following is the derating curve of VHB75 without heat sink.
Where:
The power dissapation (Pd) is
The thermal resistances are listed below.
The temperature rise (D T):
20050 SW 112
FIGURE 1. OUTPUT DERATING (FORCED CONVECTION WITH NO HEAT SINK)
th
Ave. Tualatin, Oregon 97062
Pd= Pi - Po = Po (1-
D T = Pd * Rca
η
)/
η
phone
phone [phone] fax
DESCRIPTION: dc-dc converter
fax [phone]
rev.
page
date
05/2009
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