MO SEL VITELIC
MSU2051/U2031
44L Low profile Quad Flat Package
C
L
L1
S
θ2
e
R1
D2 D1 D
Gage Plane
0.25 mm
b
A2
θ3
R2
A1
E2
E1
E
A
01
seating plane
C
θ
Dimension in Inch
minimal/maximal
Dimension in mm
minimal/maximal
- / 1.60
Note:
Symbol
A
1.
Dimension D1 and E1 do not include mold
protrustion. Allowance protrusion is 0.25mm per side.
D1 and E1 are maximal plastic body size dimensions
including mold mismatch.
- / 0.063
A1
A2
b
0.05 / 0.15
1.35 / 1.45
0.30 / 0.45
0.09 / 0.20
12.00 BSC
10.00 BSC
8.00
0.002 / 0.006
0.053 / 0.057
0.012 / 0.018
0.004 / 0.008
0.472 BSC
2. Dimension b does not include dambar protrusion.
Allowance dambar protrusion shall not cause the
lead width to exceed the maximal b dimension by
more than 0.08 mm.
c
D
D1
D2
E
0.393 BSC
0.315
0.472 BSC
0.393 BSC
0.315
12.00 BSC
10.00 BSC
8.00
3.
Dambar can not be located on the lower radius or the
foot. Minimal space between protrusion and an
adjacent lead is 0.07 mm for 0.4 mm and 0.5 mm
pitch packages.
E1
E2
e
0.031 BSC
0.018 / 0.030
0.039 REF
0.003 / -
0.80 BSC
0.45 / 0.75
1.00 REF
0.08 / -
L
L1
R1
R2
S
0.003 / 0.008
0.08 / 0.20
0.20 / -
0.008 / -
0° / 7°
0° / -
θ
as left
θ1
θ2
θ3
C
as left
as left
11°/13°
/13°
11°
0.004
as left
0.10
Rev. 1.0 February 1998
17