UEI-3.3/18-Q48PR-C Murata Power Solutions Inc, UEI-3.3/18-Q48PR-C Datasheet - Page 3

• Manufacturer Part Number: UEI-3.3/18-Q48PR-C
• Description: CONVERTER, DC/DC, 3.3V, 18A
• Manufacturer: Murata Power Solutions Inc

Specifications of UEI-3.3/18-Q48PR-C

• No. Of Output Channels: 1
• Input Voltage: 18V To 75V
• Power Rating: 59.4W
• Output Voltage: 3.3V
• Output Current: 18A
• Supply Voltage: 48V
• Dc / Dc Converter Case Style: Through Hole
• Isolation Voltage: 2.25kV
• Product: Isolated
• Output Power: 59 W
• Input Voltage Range: 18 V to 75 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 18 A
• No. Of Outputs: 1
• Approval Bodies: CSA / EN / UL
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Important: If sense inputs are not connected to a remote load, connect them
to their respective V
MECHANICAL SPECIFICATIONS
PHYSICAL CHARACTERISTICS
Pin
Outline dimensions
Pin material
Pin diameter
Pin Finish
Weight
Electromagnetic interference
Flammability Rating
Safety
1
2
3
4
Positive Input
Negative Input
No pin
On/Off Control In
Function P52
INPUT/OUTPUT CONNECTIONS, WITH SENSE
OUT
Dimensions are in inches (mm shown for ref. only).
pins at the converter.
Components are shown for reference only.
Tolerances (unless otherwise specified):
.XX ± 0.02 (0.5)
.XXX ± 0.010 (0.25)
Angles ± 2˚
See mechanical specs
Copper alloy with gold plate over
nickel underplate
0.04" (1mm)
Gold plate
1 oz (28.5g)
Meets class B, EN55022/CISPR22
(requires external fi lter)
UL 94V-0
Certifi ed to IEC/EN/UL/cUL 60950-1,
CSA-C22.2 No. 60950-1, 2nd Edition
Third Angle Projection
Pin
5
6
7
8
9
+Sense In
Positive Output
No pin
Negative Output
–Sense In
Trim
Function P52
www.murata-ps.com
.100
2.54
C L
.188
4.78
Pins 5 and 8 are omitted for models without sense inputs.
0.05 (1.3)
Pin
.100
2.54
1
2
3
4
12.70
.500
Positive Input
Negative Input
No pin
On/Off Control In
4
2
1
50-60W Isolated Wide-Range DC/DC Converters
1
2
4
INPUT/OUTPUT CONNECTIONS, WITHOUT SENSE
Function P51
22.86
BOTTOM VIEW
.900
UEI50 Open Frame
SIDE VIEW
TOP VIEW
1.02±0.05
.040±.002 PINS
04 Nov 2010
1.800
45.72
(48.3)
1.90
C L
C L
Case C74
50-60W
Pin
5
6
7
8
9
MDC_UEI Series 50-60W.B33 Page 3 of 13
5
6
7
8
9
9
8
7
6
5
No pin
Positive Output
No pin
Negative Output
No pin
Trim
0.05 (1.3)
Function P51
CLEARANCE
email: [e-mail]
.010 MIN
0.25
.200
5.08
1.50 (38.1)
0.38 (9.7)
UEI Series
10.16
.400
MIN
.200
5.08
10.16
.400
15.24
.600
C L