© 2004 California Micro Devices Corp. All rights reserved.
08/16/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com 13
CMPWR280
Mechanical Details (cont’d)
Thin TO-263-5 Mechanical Specifications
Dimensions for CMPWR280TA devices packaged in 5-
lead, thin-body TO-263 packages are presented below.
* This is an approximate amount which may vary.
Package Dimensions for Thin TO-263-5.
PACKAGE DIMENSIONS
Package
Thin-body TO-263
Pins 5
Dimensions
Millimeters Inches
Min Max Min Max
A 1.270 1.524 0.050 0.060
b 0.635 0.889 0.025 0.035
c 0.228 0.330 0.009 0.013
D 8.890 9.400 0.350 0.370
E 9.779 10.29 0.385 0.405
e 1.709 REF 0.067 REF
L 14.732 15.75 0.580 0.620
L1 2.286 2.794 0.090 0.110
L2 1.143 1.400 0.045 0.055
M .000 0.101 .000 .004
P 0.228 0.330 0.009 0.013
S ----
T 5.210 5.460 0.205 0.215
U 7.370 7.620 0.290 0.300
# per tube 50 pieces*
# per tape
and reel
750 pieces
Controlling dimension: inches
Mechanical Package Diagrams
A
SIDE
P
LEADFORM
c
7
°
7
°
3
°
L1
M
SEATING PLANE
0
°
-8
°
TOP VIEW
54
e
D
L
b
E
123
18-22°
L2
S
Pin 1
Marking
BOTTOM
T
U
VIEW
VIEW
