
NOV 11, 2003 revised to NOV 20, 2006
Page 3 of 3
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QD48 Dual Quarter Brick Family
DC-DC Converter Data Sheet
Converter Part Numbering Scheme
Product
Series
Input
Voltage
Mounting
Scheme
Output
Voltage 1
(V
OUT1
)
Output
Voltage 2
(V
OUT2
)
ON/OFF
Logic
Maximum
Height
[HT]
Pin
Length
[PL]
Special
Features
QD
48
S
025
033
-
N
S
0
0
012
1.2 V
015
1.5 V
018
1.8 V
020
2.0 V
025
2.5 V
033
3.3 V
015
1.5 V
018
1.8 V
020
2.0 V
025
2.5 V
033
3.3 V
050
5.0 V
Dual
Quarter-
Brick
Format
36-75 V
S
Surface
Mount
T
Through-
hole
Note: Always specify V
as the
higher of the two output voltages.
N
Negative
P
Positive
SMT
S
0.273”
Through hole
A
0.303”
B
0.336”
C
0.500”
D
0.400”
SMT
0
0.00”
Through hole
A
0.188”
B
0.145”
C
0.110”
0
STD
The example above describes P/N QD48S025033-NS00: 36-75 V input, dual output, surface mounting, 2.5 V and 3.3 V outputs @ 15 A each, negative
ON/OFF logic. Please consult factory regarding availability of a specific version.
RoHS Ordering Information:
No RoHS suffix character is required for lead-solder-exemption compliance.
For RoHS compliance to all six substances, add the letter "G" as the last letter of the part number.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as components in life support
systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divisional president of
Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date
manufactured. Specifications are subject to change without notice.