UWR Series
Single Output, High Reliability, 2" x 2", 14-20 Watt, DC/DC Converters
Performance Specifications and Ordering Guide
Output
Root Model
UWR-3.3/4250-D5A
UWR-3.3/4850-D12A
UWR-3.3/4850-D48A
UWR-5/3000-D5A
UWR-5/4000-D12A
UWR-5/4000-D48A
UWR-5/4000-D48E
UWR-5.2/3000-D5A
UWR-12/1250-D5A
UWR-12/1650-D12A
UWR-12/1650-D48A
UWR-15/1000-D5A
UWR-15/1300-D12A
UWR-15/1300-D48A
Input
Regulation (Max.)
Line
±1.0%
±0.5%
±1.0%
±1.0%
±0.3%
±0.3%
±0.3%
±1.0%
±1.0%
±0.3%
±0.3%
±1.0%
±0.3%
±0.3%
V
OUT
(Volts)
3.3
3.3
3.3
5
5
5
5
5.2
12
12
12
15
15
15
I
OUT
(mA)
4250
4850
4850
3000
4000
4000
4000
3000
1250
1650
1650
1000
1300
1300
R/N (mVp-p)
Typ.
Max.
50
50
50
50
50
50
50
50
75
50
75
75
50
75
100
75
100
100
100
100
100
100
120
100
100
150
100
100
Load
±1.0%
±1.0%
±1.0%
±1.0%
±0.5%
±0.5%
±0.5%
±1.0%
±1.0%
±0.5%
±0.5%
±1.0%
±0.5%
±0.5%
V
IN
Nom.
(Volts)
5
24
48
5
24
48
48
5
5
24
48
5
24
48
Range
(Volts)
4.7-7.5
9-36
18-75
4.7-7.5
9-36
18-75
36-72
4.7-7.5
4.7-7.5
9-36
18-75
4.7-7.5
9-36
18-75
I
IN
(mA)
80/3720
35/852
15/419
80/3800
15/1020
15/496
15/484
80/3900
80/3660
15/1000
15/491
80/3660
20/967
10/484
Efficiency
Min.
76%
77%
79%
78%
81%
82%
84%
79%
80%
79.5%
84%
80%
84%
84%
Typ.
77%
79%
80%
79%
82%
84%
86%
80%
82%
82.5%
85%
82%
85%
86%
Package
(Case,
Pinout)
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
C4, P6
Typical at T
A
= +25°C under nominal line voltage and full-load conditions unless otherwise
noted.
Ripple/Noise (R/N) measured over a 20MHz bandwidth.
10% to 100% load.
Nominal line voltage, no-load/full-load conditions.
See Technical Notes for an explanation of trading off input voltage ranges for higher full-power
operating temperature.
These are not complete part numbers. Please see the Part Number Structure.
Part Number Structure
U WR
-
5
/
4000
-
D12 A
-
C
Output Configuration:
U
= Unipolar
Wide Range Input
Nominal Output Voltage:
3.3, 5, 12 or 15 Volts
Maximum Output Current
in mA
RoHS-6 hazardous sub-
stance compliant*
A-Series
High Reliability
Input Voltage Range:
D5
= 4.7-7.5 Volts (5V nominal)
D12
= 9-36 Volts (24V nominal)
D48
= 18-75/36-72 Volts (48V nominal)
*
Contact Murata Power Solutions
(Datel) for availability.
0.200
(5.08)
0.45
(11.43)
Mechanical Specifications
2.00
(50.80)
METAL CASE
Case C4
INSULATED BASE
0.20 MIN
(5.08)
0.040 ±0.002 DIA.
(1.016 ±0.051)
1.800
(45.72)
0.10
(2.54)
Temperature Derating
20
18
16
E
BB
G
5
6
1
2
7
D
D, E, F
F
C
BB, G
0.400
(10.16)
1.200
(30.48)
3 EQ. SP. @
0.400 (10.16)
2.00
(50.80)
3
4
Output Power (Watts)
14
12
10
8
6
4
2
0
–40
0
8
A
AA
UWR-3.3/4250-D5A
UWR-3.3/4850-D12A
UWR-3.3/4850-D48A
UWR-5/3000-D5A
UWR-5/4000-D12A
UWR-5/4000-D48A
UWR-5/4000-D48E
UWR-5.2/3000-D5A
UWR-12/1250-D5A
UWR-12/1650-D12A
UWR-12/1650-D48A
UWR-15/1000-D5A
UWR-15/1300-D12A
UWR-15/1300-D48A
40
45
F
A
A
E
C
B
G
D
E
C
B
E
C
B
50
55
60
65
70
B
0.100
(2.54)
BOTTOM VIEW
0.40
(10.16)
I/O Connections
Pin
1
2
3
4
5
6
7
8
Function P6
+Input
–Input
Pin not installed
On/Off Control
Pin not installed
+Output
Common
Trim
Dimensions are in inches (mm shown for ref. only).
Third Angle Projection
75
80
85
90
95
100
Ambient Temperature (°C)
1. UWR-3.3/4850-D48A (18-75V input, curve A) and UWR-3.3/4850-D12A (9-36V input, curve A)
will derate curve AA if used over the limited input ranges of 20-60V or 10-30V, respectively.
2. "D48A" models (18-75V input ranges) that derate along curve B will derate along curve BB
if used over the more limited input range of 24-60V.
Notes:
For "D5A" and "D12A" models, the
case is connected to pin 2 (–V
IN
).
For "D48A" and "D48E" models, the
case is connected to pin 1 (+V
IN
).
Tolerances (unless otherwise specified):
.XX ± 0.02 (0.5)
.XXX ± 0.010 (0.25)
Angles ± 2˚
Components are shown for reference only.
www.murata-ps.com
Technical enquiries
email: sales@murata-ps.com, tel:
+1 508 339 3000
MDC_UWR14-20 Series.B02
Page 2 of 6
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