STF715
STN715
NPN low voltage transistors
Features
■
■
Low voltage small devices for surface
mounting
High ruggedness
4
4
3
2
1
1
2
3
Applications
■
■
■
Voltage regulation
Relay driver
Generic switch
SOT-89
SOT-223
Description
Both STF715 and STN715 are NPN transistors
manufactured using planar technology. They are
housed in surface mounting power packages.
Figure 1.
Internal schematic diagram
Table 1.
Device summary
Marking
715
N715
Packages
SOT-89
SOT-223
Packaging
Tape and reel
Tape and reel
Order codes
STF715
STN715
February 2010
Doc ID 8707 Rev 2
1/8
www.st.com
8
Electrical ratings
STF715, STN715
1
Electrical ratings
Table 2.
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CM
I
B
I
BM
P
TOT
T
STG
T
J
Absolute maximum ratings
Parameter
Collector-base voltage (I
E
= 0)
Collector-emitter voltage (I
B
= 0)
Emitter-base voltage (I
C
= 0)
Collector current
Collector peak current (t
P
< 5 ms)
Base current
Base peak current (t
P
< 5 ms)
Total dissipation at T
amb
= 25 °C for STF715
Total dissipation at T
amb
= 25 °C for STN715
Storage temperature
Max. operating junction temperature
Value
140
80
5
1.5
2
0.3
0.6
1.4
1.6
-65 to 150
150
Unit
V
V
V
A
A
A
A
W
W
°C
°C
Table 3.
Symbol
R
thJA (1)
Thermal data
Parameter
Thermal resistance junction-ambient
__
max
SOT-89
89
SOT-223
78
Unit
°C/W
1. Device mounted on PCB area of 1 cm²
2/8
Doc ID 8707 Rev 2
STF715, STN715
Electrical characteristics
2
Electrical characteristics
T
case
= 25 °C unless otherwise specified.
Table 4.
Symbol
I
CES
I
CEO
I
EBO
Electrical characteristics
Parameter
Collector cut-off current
(V
BE
= 0)
Collector cut-off current
(I
B
= 0)
Emitter cut-off current
(I
C
= 0)
Collector-emitter
sustaining voltage
(I
B
= 0)
Collector-emitter
saturation voltage
Base-emitter saturation
voltage
Test conditions
V
CE
= 140 V
V
CE
= 80 V
V
EB
= 5 V
Min.
Typ.
Max.
500
1
100
Unit
µA
mA
µA
V
CEO(sus)
I
C
= 10 mA
I
C
= 100 mA
I
C
= 1 A
I
C
= 100 mA
I
C
= 1 A
I
C
= 100 µA
I
C
= 500 mA
I
C
= 1 A
I
C
= 100 mA
I
B
= 10 mA
I
B
= 100 mA
I
B
= 10 mA
I
B
= 100 mA
V
CE
= 2 V
V
CE
= 2 V
V
CE
= 2 V
V
CE
= 10 V
80
0.25
0.5
1
1.1
140
80
40
50
V
V
V
V
V
V
CE(sat) (1)
V
BE(sat) (1)
h
FE (1)
f
T
1.
DC current gain
Transition frequency
MHz
Pulse test: pulse duration
≤
300
µs, duty cycle
≤
2 %
Doc ID 8707 Rev 2
3/8
Package mechanical data
STF715, STN715
3
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
specifications, grade definitions and product status are available at:
www.st.com.
ECOPACK
®
is an ST trademark.
4/8
Doc ID 8707 Rev 2
STF715, STN715
Package mechanical data
SOT-89
mechanical data
mm
Dim.
Min.
A
B
B1
C
C1
D
D1
E
e
e1
H
K
L
R
1.40
0.44
0.36
0.35
0.35
4.40
1.62
2.29
1.42
2.92
3.94
1°
0.89
0.25
Typ.
Max.
1.60
0.56
0.48
0.44
0.44
4.60
1.83
2.60
1.57
3.07
4.25
8°
1.20
7098166_C
Doc ID 8707 Rev 2
5/8
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