TMC249 / TMC249A DATA SHEET (V2.09 / 2009-Jul-30)
6
SO28 Dimensions
C
REF MIN
MAX
10.65
18.1
7.6
A
B
C
D
E
F
G
H
I
10
17.7
7.4
I
1.4
2.65
0.25
A
0.1
0.36
0.4
0.3
0.49
1.1
K
1.27
K
H
All dimensions are in mm.
B
QFN32 Dimensions
D
REF MIN NOM MAX
D/2
INDEX AREA
(D/2 xE/2)
A
0.80 0.90
0.00 0.02
0.20
1.00
0.05
-B-
A1
A3
L1
D
BOTTOM VIEW WITH TYPE C ID
0.03
0.15
2
1
7.0
E
7.0
RADIUS
N N-1
aaa
C
2x
D2
E2
L
5.00
5.00
0.45
0.25
5.15 5.25
5.15 5.25
0.55 0.65
0.30 0.35
0.65
TOP VIEW
ccc
C
C
NX
0.08
SEATING
PLANE
b
-C-
SIDE VIEW
e
D2
D2/2
All dimensions are in mm.
Attention: Drawing not to scale.
Datum A or B
-B-
SEE
DETAIL B
2
1
N N-1
6
NXb
bbb
5
INDEX AREA
(D/2 xE/2)
e/2
C
A B
Terminal Tip
SEE
DETAIL B
ddd
C
e
BTM VIEW
DETAIL B
Copyright © 2005, TRINAMIC Motion Control GmbH & Co KG