Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specications are subject to change without
notice.
2009 Murata Power Solutions, Inc.
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Murata Power Solutions, Inc.
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06/01/09
www.murata-ps.com/dpm
78SR 2 Amp Series
2 Amp, 3.3V & 5V Output, High Efciency,
Synchronous Switching Regulators
MPM_78SR-2A_B02 Page 5 of 5
MECHANICAL DIMENSIONS: Inches (mm)
TOLERANCES:
2 PL DEC ±0.02 (±0.51)
3 PL DEC ±0.010 (±0.254)
Horizontal Package
(H Pin Option)
0.30 (7.6) min.
0.280
(7.1)
PC-Board Hole:
0.037 - 0.043
(0.94 - 1.09) Dia.
Pins: 0.025 (0.64) sq.
0.100 (2.54)
centers
OUTPUT
(+V
OUT
)
GND
INPUT
(+V
IN
)
Standard Package
0.85
(21.6)
0.80
(20.3)
OUTPUT
(+V
OUT
)
PC-Board Hole:
0.037 - 0.043
(0.94 - 1.09) Dia.
GND
INPUT
(+V
IN
)
0.095
(2.4)
Pins: 0.025 (0.64) sq.
0.100 (2.54)
centers
0.15
(3.8) Min.
0.16
(4.1)
0.23
(5.7)
0.07
(1.8)
123
L1
12
3
L1
D1