1. Although 4 terminal locations are shown, only 3 are functional. Lead number 2 was removed.
Symbol
Dimen-
sion
(inches)
MIN
NOM
MAX
A
.086
-
.094
A1
.000*
-
.005
b
.025
-
.035
b2
.030
-
.045
b3
.195
-
.215
c2
.018
-
.035
D
.235
.240
.245
D1
.205
-
.217*
E
.250
-
.265
E1
.170
-
.200*
.090
BSC
e
H
.370
-
.410
L
.055
.060
.070
.108
REF
.020
BSC
L1
L2
L3
.035
-
.050
L4
.025*
-
.040
L5
.035
†
-
.060
θ
0
O
-
10
O
θ1
0
O
-
15
O
JEDEC Registration TO-252, Variation AA, Issue E, June 2004.
* This dimension is not specified in the JEDEC drawing.
† This dimension differs from the JEDEC drawing.
Drawings not to scale.
Supertex Doc. #:
DSPD-3TO252K4, Version F040910.
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
3
Tel: 408-222-8888
www.supertex.com
DN2450
3-Lead TO-243AA (SOT-89) Package Outline (N8)
D
D1
C
E H
E1
L
1
2
3
b
e
e1
b1
A
Top View
Side View
Symbol
Dimensions
(mm)
MIN
NOM
MAX
A
1.40
-
1.60
b
0.44
-
0.56
b1
0.36
-
0.48
C
0.35
-
0.44
D
4.40
-
4.60
D1
1.62
-
1.83
E
2.29
-
2.60
E1
2.00
†
-
2.29
e
1.50
BSC
e1
3.00
BSC
H
3.94
-
4.25
L
0.73
†
-
1.20
JEDEC Registration TO-243, Variation AA, Issue C, July 1986.
†
This dimension differs from the JEDEC drawing
Drawings not to scale.
Supertex Doc. #:
DSPD-3TO243AAN8, Version F111010.
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline
information go to
http://www.supertex.com/packaging.html.)
Supertex inc.
does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives
an adequate “product liability indemnification insurance agreement.”
Supertex inc.
does not assume responsibility for use of devices described, and limits its liability
to the replacement of the devices determined defective due to workmanship. No responsibility is assumed for possible omissions and inaccuracies. Circuitry and
specifications are subject to change without notice. For the latest product specifications refer to the
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