CM1440 Datasheet, PDF (9/9 Pages) Allegro MicroSystems – 6 Channel EMI Filter Array with ESD Protection

CM1440
Mechanical Details
CSP Mechanical Specifications
CM1440 devices are supplied in a custom Chip Scale
Package (CSP). Dimensions are presented below. For
complete information on CSP packaging, see the Cali-
fornia Micro Devices CSP Package Information docu-
ment.
PACKAGE DIMENSIONS
Package
Custom CSP
Bumps
15
Dim
Millimeters
Inches
Min Nom Max Min Nom Max
A1 2.3150 2.3600 2.4050 0.911 0.0929 0.0947
A2 1.008 1.053 1.098 0.0397 0.0415 0.0432
B1 0.395 0.4000 0.405 0.0156 0.0157 0.0159
B2 0.195 0.2000 0.205 0.0076 0.0078 0.0080
B3 0.3415 0.3465 0.3515 0.0134 0.0136 0.0138
B4 0.3415 0.3465 0.3515 0.0134 0.0136 0.0138
C1 0.130 0.1800 0.230 0.0051 0.0071 0.0091
C2 0.130 0.1800 0.230 0.0051 0.0071 0.0091
D1 0.575 0.644 0.714 0.0226 0.0254 0.0281
D2 0.368 0.419 0.470 0.0145 0.0165 0.0185
# per tape and
reel
3500 pieces
Controlling dimension: millimeters
Mechanical Package Diagrams
BOTTOM VIEW
A1
C1
B2
B1
C
B
A
123456
0.25 DIA.
63/37 Sn/Pb (Eutectic) or
96.8/2.6/0.6 Sn/Ag/Cu (Lead-free)
SOLDER BUMPS
OptiGuard^TM
Coating
D1
D2
SIDE
VIEW
DIMENSIONS IN MILLIMETERS
Package Dimensions for
CM1440 Chip Scale Package
CSP Tape and Reel Specifications
PART NUMBER CHIP SIZE (mm)
CM1440
2.36 X 1.053X 0.644
POCKET SIZE (mm)
B₀ X A₀ X K₀
2.62 X 1.12X 0.76
TAPE WIDTH
W
8mm
REEL
DIAMETER
178mm (7")
QTY PER
REEL
3500
P₀
4mm
P₁
4mm
Top
Cover
Tape
K_o
P_o
A_o
B_o
10 Pitches Cumulative
±^{To0l.e2ramnmce On Tape}
W
For Tape Feeder Reference
Only including Draft.
Concentric Around B.
Embossment
P₁
User Direction of Feed
Center Lines
of Cavity
Figure 11. Tape and Reel Mechanical Data
© 2005 California Micro Devices Corp. All rights reserved.
11/08/05
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: [phone] ● Fax: [phone] ● www.cmd.com 9