Datasheet
MECHANICAL SPECIFICATIONS
Bottom View
1
2
3
4
5
6
7
8
9
1.900
(48.26)
2.30
(58.4)
0.40
(10.2)
0.18
(4.6)
0.20
(5.1)
0.015 min. clearance
between standoffs and
highest component
0.400
(10.16)
0.700
(17.78)
0.50
(12.70)
1.000
(25.40)
1.400
(35.56)
2.40
(60.96)
Pin Diameters:
Pins 1-4, 6-8 0.040 ± 0.001 (1.016 ±0.025)
Pins 5, 9 0.080 ± 0.001 (2.032 ±0.025)
UCH with Optional Baseplate
0.18
(4.6)
0.50
(12.7)
2.40
(61.0)
2.00
(50.8)
1.90 (48.3)
2.30 (58.4)
0.015 minimum
clearance between
standoffs and
highest component
Do not remove
M3 x 0.50
threaded inserts
from bottom PCB
User’s thermal surface and hardware
Recommended threaded insert torque
is 0.35-0.55 N-M or 3-5 in-lbs.
M3 x 0.50
threaded insert
and standoff (4 places)
Screw length must
not go through Baseplate
Baseplate
Case C61
A
B
A
B
INPUT/OUTPUT CONNECTIONS
Pin Function P17
1 −Input
2 Case
3 On/Off Control
4 +Input
5 +Output
6 +Sense
7 Trim
8 −Sense
9 −Output
Third Angle Projection
Dimensions are in inches (mm) shown for ref. only.
Components are shown for reference only.
Tolerances (unless otherwise specified):
.XX ± 0.02 (0.5)
.XXX ± 0.010 (0.25)
Angles ± 2˚
Pin 2 may be removed under special order.
The case pin 2 is normally only used in
combination with the baseplate. Please
contact Murata Power Solutions.
www.murata-ps.com/support
Standard pin length is shown. Please refer to the Part Number Structure
for special order pin lengths.
Single Output UCH Models
Isolated, “Half-Brick”
1.8−15V Output DC/DC Converters
MDC_UCH Models.C01 Page 13 of 18