Page 1
General features
■ TO-92 package suitable for through-hole PCB
assembly
■ In compliance with the 2002/93/EC European
Directive
Applications
STX817A
PNP Medium power transistor
■ Voltage regulation
■ Relay driver
■ Generic switch
Description
The STX817A is a PNP transistor manufactured
using Planar Technology resulting in rugged high
performance devices.
Order codes
TO-92
Internal schematic diagram
Part Number Marking Package Packing
STX817A X817A TO-92 Bulk
STX817A-AP X817A TO-92 AP Ammopack
January 2007 Rev 2 1/9
www.st.com
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STX817A
Contents
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
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STX817A Electrical ratings
1 Electrical ratings
Table 1. Absolute maximum rating
Symbol Parameter Value Unit
V
V
V
I
I
P
T
Collector-base voltage (IE = 0) -80 V
CBO
Collector-emitter voltage (IB = 0) -80 V
CEO
Emitter-base voltage (IC = 0) -5 V
EBO
I
Collector current -1.5 A
C
Collector peak current (tP < 5ms) -2 A
CM
I
Base current -0.3 A
B
Base peak current (tP < 5ms) -0.6 A
BM
Total dissipation at T
tot
Storage temperature -65 to 150 °C
stg
T
Max. operating junction temperature 150 °C
J
= 25°C 0.9 W
amb
Table 2. Thermal data
Symbol Parameter Value Unit
R
thj-amb
Thermal resistance junction-amb __max 139 °C/W
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Page 4
Electrical characteristics STX817A
2 Electrical characteristics
(T
= 25°C unless otherwise specified)
case
Table 3. Electrical characteristics
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
CES
I
CEO
I
EBO
V
CEO(sus)
V
CE(sat)
V
BE(sat)
h
FE
Collector cut-off current
=0)
(V
BE
Collector cut-off current
=0)
(I
B
Emitter cut-off current
=0)
(I
C
Collector-emitter
(1)
sustaining voltage (I
Collector-emitter
(1)
B
=0)
saturation voltage
Base-emitter saturation
(1)
voltage
(1)
DC current gain
f
t
Transition frequency
=-80V
V
CE
=-80V
V
CE
=-5V
V
EB
=-10mA
I
C
I
=-100mA IB =-10mA
C
I
=-1A IB =-100mA
C
I
=-100mA IB =-10mA
C
=-1A IB =-100mA
I
C
I
=-100mA V
C
=-500mA V
I
C
I
=-1A V
C
I
=-0.1A V
C
Note (1) Pulsed duration = 300µs, duty cycle ≤1.5%
CE
CE
CE
CE
=-2V
=-2V
=- 2V
=-10V
-500 µA
-1 mA
-100 µA
-80 V
-0.25
-0.5
-1
-1.1
140
80
25
50 MHz
V
V
V
V
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Page 5
STX817A Package mechanical data
3 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a Lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
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Package mechanical data STX817A
TO-92 BULK SHIPMENT MECHANICAL DATA
DIM.
MIN. TYP MAX.
A 4.32 4.95
b 0.36 0.51
D 4.45 4.95
E 3.30 3.94
e 2.41 2.67
e1 1.14 1.40
L 12.70 15.49
R 2.16 2.41
S1 0.92 1.52
W 0.41 0.56
V5
mm.
O
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0102782 C
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STX817A Package mechanical data
TO-92 AMMOPACK SHIPMENT (Suffix”-AP”) MECHANICAL DATA
DIM.
A1 4.80
T 3.80
T1 1.60
T2 2.30
d 0.48
P0 12.50 12.70 12.90
P2 5.65 6.35 7.05
F1,F2 2.44 2.54 2.94
delta H -2.00 2.00
W 17.50 18.00 19.00
W0 5.70 6.00 6.30
W1 8.50 9.00 9.25
W2 0.50
H 18.50 20.50
H0 15.50 16.00 16.50
H1 25.00
D0 3.80 4.00 4.20
t 0.90
L 11.00
I1 3.00
delta P -1.00 1.00
MIN. TYP MAX.
mm.
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Page 8
Revision history STX817A
4 Revision history
Table 4. Revision history
Date Revision Changes
06-July-2004 1 Initial release.
22-Jan-2006 2 The minimum hfe value has been modified on page 4.
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STX817A
y
y
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