CD143A-SR05LC Series

CHIP DIODES
March, 2015
Changes to Package Body, Carrier Tape/Reel
Dimensions and Tolerances for
Model CD143A-SR05LC Steering/TVS Diode Array Series
Due to the addition of an alternate assembly location in February, 2014 (ESD1315), differences in process
tolerances observed in 2014 have necessitated an update to the specified package body, carrier tape and reel
dimensions.
The dimensions of the package body and carrier tape have been modified by up to 0.1 mm, and the reel outer
diameter tolerance modified by up to 2 mm.
A
B
D
G
C
Dim.
Before
After
C
2.11 – 2.48
(0.083 – 0.098)
2.11 – 2.55
(0.083 – 0.100)
D
1.2 – 1.39
(0.047 – 0.055)
1.2 – 1.4
(0.047 – 0.055)
E
0.39 – 0.50
(0.015 – 0.020)
0.35 – 0.5
(0.014 – 0.020)
F
0.79 – 0.93
(0.031 – 0.037)
0.76 – 0.93
(0.030 – 0.037)
G
0.08 – 0.15
(0.003 – 0.006)
0.08 – 0.18
(0.003 – 0.007)
H
F
E
I
J
DIMENSIONS:
MM
(INCHES)
K
Figure 1 - Model CD143A-SR05LC Package Body Dimensions
~ continued on page 2 ~
ESD1509
Changes to Package Body, Carrier Tape/Reel Dimensions and Tolerances for
Model CD143A-SR05LC Steering/TVS Diode Array Series
March, 2015
Page 2 of 2
P
0
P
1
d
Dim.
Before
After
A
2.75 ± 0.10
(0.108 – 0.004)
2.80 ± 0.15
(0.110 – 0.006)
B
3.30 ± 0.10
(0.130 – 0.004
3.25 ± 0.15
(0.128 – 0.006)
C
1.25 ± 0.10
(0.049 – 0.004)
1.25 ± 0.15
(0.049 – 0.006)
d
1.55 ± 0.05
(0.061 – 0.002)
1.5 ± 0.10
(0.059 – 0.004)
F
3.50 ± 0.05
(0.138 – 0.002)
3.50 ± 0.10
(0.138 – 0.004)
P0
4.00 ± 0.10
(0.157 – 0.004)
4.00 ± 0.20
(0.157– 0.008)
P1
2.00 ± 0.05
(0.079 – 0.002)
2.00 ± 0.10
(0.079 – 0.004)
Dim.
Before
After
D
178
(7.008)
178 ± 2
(7.008 ± 0.079)
T
E
Index Hole
F
W
A
P
B
C
DIMENSIONS:
MM
(INCHES)
Figure 2 - Carrier Tape Dimensions
120 °
D2
D1 D
DIMENSIONS:
MM
(INCHES)
W1
Figure 3 - Reel Dimensions
Impact on Form, Fit, Function, Reliability and Quality
This update does not impact the function, reliability or the electrical characteristics of the product. While there
is a dimensional change, the product will continue to fit on the previous recommended footprint so Bourns
considers the update not to affect the form of the product from a practical standpoint. Part markings and
labeling are unchanged.
Implementation Dates
First date code using above changes: 1509
First production shipments: March 1, 2015
If you have any questions or need additional information, please feel free to contact Customer Service/
Inside Sales.