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RC4559
PRODUCT SPECIFICATION
13
Mechanical Dimensions
(continued)
8-Lead Metal Can IC Header Package
e1
k
k1
e
a
REFERENCE
PLANE
b
b1
D2
D
D1
A
Q
F
L1
L2
L
BASE and
SEATING
PLANE
Notes:
1.
(All leads) b applies between L1 & L2. b1 applies between
L2 & .500 (12.70mm) from the reference plane. Diameter is
uncontrolled in L1 & beyond .500 (12.70mm) from the
reference plane.
Measured from the maximum diameter of the product.
Leads having a maximum diameter .019 (.48mm) measured in
gauging plane, .054 (1.37mm) +.001 (.03mm) –.000 (.00mm)
below the reference plane of the product shall be within
.007 (.18mm) of their true position relative to a maximum width
tab.
The product may be measured by direct methods or by gauge.
All leads – increase maximum limit by .003 (.08mm) when lead
finish is applied.
2.
3.
4.
5.
A
b
b1
D
D1
D2
e
e1
F
k
k1
L
L1
L2
Q
.165
.016
.016
.335
.305
.110
.185
.019
.021
.375
.335
.160
4.19
.41
.41
8.51
7.75
2.79
4.70
.48
.53
9.52
8.51
4.06
Symbol
Inches
Min.
Max.
Min.
Max.
Millimeters
Notes
.200 BSC
.100 BSC
—
.027
.027
.500
—
.250
.010
5.08 BSC
2.54 BSC
—
.69
.69
12.70
—
6.35
.25
45
BSC
45
BSC
.040
.034
.045
.750
.050
—
.045
1.02
.86
1.14
19.05
1.27
—
1.14
2
1
1
1
1, 5
1, 5
a