Datasheet
Pin length option
Blank = standard pin length 0.180 in. (4.6 mm)
L1 = 0.110 in. (2.79 mm)*
L2 = 0.145 in. (3.68 mm)*
➀ Please refer to the part number structure for additional ordering part numbers and options.
➁ All specifications are at nominal line voltage and full load, +25 deg.C unless otherwise noted. See detailed specifications. Output capacitors are 1 µF ceramic || 10 µF electrolytic. I/O caps are necessary for
our test equipment and may not be needed for your application.
Outline dimensions: 2.3 × 1.45 × 0.40 inches
58.4 × 36.8 × 10.2 mm
Pinout: P32 (all models)
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE ➀
Root Models ➀
Output Input
Efficiency
Vout
(Volts)
Iout
(Amps)
Power
(Watts)
R/N (mVp-p) Regulation (Max.) ➁
Vin Nom.
(Volts)
Range
(Volts)
Iin no
load (mA)
Iin full
load
(Amps)Typ. Max. Line Load Min. Typ.
UCQ-1.2/40-D24P-C 1.2 40 48 Please contact Murata Power Solutions for further information.
UCQ-1.2/30-D48N-C 1.2 30 36 50 100 ±0.125% ±0.25% 48 36-75 30 0.90 81% 83%
UCQ-1.5/25-D48N-C 1.5 25 37.5 50 80 ±0.125% ±0.25% 48 36-75 50 0.94 81% 83%
UCQ-1.5/40-D48N-C 1.5 40 60 50 100 ±0.125% ±0.25% 48 36-75 50 1.45 85% 86%
UCQ-1.8/30-D48N-C 1.8 30 54 80 100 ±0.125% ±0.25% 48 36-75 45 1.31 83% 86%
UCQ-1.8/40-D48N-C 1.8 40 72 50 100 ±0.1% ±0.2% 48 36-75 30 1.70 86% 88%
UCQ-2.5/40-D24P-C 2.5 40 100 80 120 ±0.125% ±0.25% 24 18-36 120 4.96 82% 84%
UCQ-2.5/30-D48N-C 2.5 30 75 50 100 ±0.125% ±0.25% 48 36-75 50 1.80 85% 87%
UCQ-3.3/35-D24P-C 3.3 35 115.5 80 120 ±0.25% ±0.25% 24 18-36 130 5.41 87% 89%
UCQ-3.3/20-D48N-C 3.3 20 66 50 80 ±0.125% ±0.25% 48 36-75 50 1.53 88.5% 90%
UCQ-3.3/30-D48N-C 3.3 30 99 50 80 ±0.125% ±0.25% 48 36-75 50 2.3 89.5% 91%
UCQ-3.3/40-D48N-C 3.3 40 132 60 100 ±0.1% ±0.2% 48 36-75 30 3.06 89% 90%
UCQ-5/20-D24P-C 5 20 100 50 60 ±0.125% ±0.25% 24 18-36 160 4.55 88% 91.5%
UCQ-5/20-D48N-C 5 20 100 35 55 ±0.125% ±0.25% 48 36-75 80 2.26 89% 92%
UCQ-5/25-D48N-C 5 25 125 50 100 ±0.125% ±0.25% 48 36-75 30 2.89 88% 90%
UCQ-12/8.3-D48N-C 12 8.3 99.6 100 150 ±0.125% ±0.25% 48 36-75 80 2.28 90% 91%
UCQ-15/6.7-D48N-C 15 6.7 100.5 100 150 ±0.125% ±0.25% 48 36-75 100 2.28 90% 92%
Nominal Output Voltage
3.3
CQ
30-
/
D48
Input Voltage Range:
D24 = 18-36 Volts (24V nominal)
D48 = 36-75 Volts (48V nominal)
Maximum Rated Output :
Current in Amps
Output
Configuration:
Unipolar,
single output
-
N
U
Quarter-Brick Package
B
Conformal coating (optional)
Blank = no coating, standard
H = coating added, optional special order
-
RoHS Hazardous Materials compliance
C = RoHS-6, standard (does not claim EU RoHS exemption 7B–lead in solder)
Y = RoHS-5 (with lead), optional, special order
C
PART NUMBER STRUCTURE
H
On/Off Control Logic
P = Positive logic (standard for D24, optional for D48)
N = Negative logic (standard for D48, optional for D24)
Baseplate (optional)
Blank = No baseplate, standard
B = Baseplate installed, optional special order
Lx
Note:
Some model number combinations
may not be available. Please contact
Murata Power Solutions.
*Special quantity order is required;
no sample quantities available.
As of October 2016, ONLY the following part numbers will be available: UCQ-3.3/30-D48N-C; UCQ-5/20-D48N-C;
UCQ-5/20-D48NB-C; UCQ-5/25-D48NB-C
To Be Discontinued*
To Be Discontinued*
*LAST TIME BUY: 3/31/2017. CLICK HERE FOR DISCONTINUANCE NOTICES.
www.murata-ps.com/support
Single Output UCQ Models
Low-Profile, Quarter Brick, 8.3-40 Amp
Isolated DC-DC Converters
MDC_UCQ Models.E02 Page 2 of 24