SPECIFICATIONS
GENERAL SPECIFICATIONS
OUTPUT SPECIFICATIONS
Input Voltage
36~75V
Voltage Accuracy
Typical (3.3V)
±1%
Switching Frequency
Typical (3.3V)
300KHz
Line Regulation
Typical (3.3V)
±0.05%
Isolation Voltage
In/Out 1500
Vdc
Load Regulation
Typical (3.3V)
±0.05%
MTBF
Bellcore (3.3V)
1.9M hours
Ripple & Noise
Typical (3.3V)
18 mV
OTP
Typical 110°C
Current Limits
Typical (3.3V)
110%
Size (w/o heatspreader)
(2.28”x1.45”x0.37”) 57.9x36.8x9.5mm
Voltage Trim
+10%,
-20%
Size (with heatspreader)
(2.28”x1.45”x0.50”) 57.9x36.8x12.7mm
PART NUMBERING SYSTEM
Q 48 S
X 3R3 35 N
R
A
Type of
Product
Input
Voltage
Number of
Outputs
Product
Series
Output
Voltage
Output
Current
ON/OFF
Logic
Pin
Length/type
Option
Code
Q – Quarter
Brick
48V
S - Single
X – Xena 3R3 – 3.3V
050 – 5.0V
25 – 25A
35 – 35A
N – Negative
P – Positive
R – 0.170”
N – 0.145”
K – 0.110”
M - SMD
Space-RoHS 5/6
F- RoHS 6/6
(Lead Free)
A – Standard
H - Heatspreader
MODEL LIST
MODEL NAME
INPUT
OUTPUT
EFF @ 100% LOAD
Q48SX3R335NR A
36V~75V
4.2A
3.3V 35A
90.5%
Q48SX05025NR A
36V~75V
4.5A
5.0V 25A
91.0%
MECHANICAL DRAWING
CONTACT:
www.delta.com.tw/dcdc
USA:
Telephone:
East Coast: (888) 335 8201
West Coast: (888) 335 8208
Fax: (978) 656 3964
Email:
Europe:
Phone: +41 31 998 53 11
Fax: +41 31 998 53 53
Email:
Asia & the rest of world:
Telephone: +886 3 4526107 ext 6220
Fax: +886 3 4513485
Email:
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