
2
SPECIFICATIONS
GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS
Input Voltage 36~75V Voltage Accuracy Typical ± 1.5%
Switching Frequency Typical (3.3V) 415KHz Line Regulation Typical ± 0.1%
Isolation Voltage In/Out 2250V Load Regulation Typical ± 0.1%
Isolation Capacitance Typical 1nF Ripple & Noise Typical 50 mV
Isolation Resistance
Minimum 10M ohm Current Limits Typical 120%
MTBF Bellcore (3.3V) 2.4m hours Over Voltage Typical 120%
OTP Typical 135°C Voltage Trim +10%, -20%
Size 33.0x22.9x9.5mm 1.30”x0.90”x0.37”
PART NUMBERING SYSTEM
V 48 S R 1R8 25 N R F A
Product
Type
Input
Voltage
Number of
Outputs
Product
Series
Output
Voltage
Output
Current
ON/OFF
Logic
Pin
Length/Type
Option
Code
V - 1/16th
brick
48-
36V~75V
S - Single R - regular
1R2 - 1.2V
1R5 - 1.5V
1R8 - 1.8V
2R5 - 2.5V
3R3 - 3.3V
050 - 5.0V
120 - 12V
150 - 15V
04 - 4.4A
05 - 5.5A
13 - 13A
20 -20A
25 -25A
N - Negative
P - Positive
R - 0.170”
N - 0.145”
K - 0.110”
M - SMD
F- RoHS 6/6
(Lead Free)
A – standard
functions
MODEL LIST
MODEL NAME INPUT OUTPUT EFF @ 100% LOAD
V48SR1R225NRFA 36V~75V 1.2A 1.2V 25A 84.0%
V48SR1R525NRFA 36V~75V 1.4A 1.5V 25A 85.0%
V48SR1R825NRFA 36V~75V 1.6A 1.8V 25A 87.0%
V48SR2R520NRFA 36V~75V 1.8A 2.5V 20A 89.0%
V48SR3R320NRFA 36V~75V 2.4A 3.3V 20A 90.5%
V48SR05013NRFA 36V~75V 2.3A 5.0V 13A 91.0%
V48SR12005NRFA 36V~75V 2.3A 12V 5.5A 91.0%
V48SR15004NRFA 36V~75V 2.3A 15V 4.4A 91.0%
MECHANICAL DRAWING
Surface-mount module Through-hole module
CONTACT:
www.delta.com.tw/dcdc
USA:
Telephone:
East Coast: (888) 335 8201
West Coast: (888) 335 8208
Fax: (978) 656 3964
Email:
DCDC@delta-corp.com
Europe:
Telephone: +41 31 998 53 11
Fax: +41 31 998 53 53
Email:
DCDC@delta-es.tw
Asia & the rest of world:
Telephone: +886 3 4526107 x6220
Fax: +886 3 4513485
Email:
DCDC@delta.com.tw
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta.Information furnished by Delta
is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties,
which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these
specifications at any time, without notice.