Rev 1
October 2005
1/7
7
ST2111FX
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTOR
Features
NEW SERIES, ENHANCED PERFORMANCE
FULLY INSULATED PACKAGE (U.L.
COMPLIANT) FOR EASY MOUNTING
HIGH VOLTAGE CAPABILITY (1500V)
HIGH SWITCHING SPEED
TIGTHER h
fe
CONTROL
IMPROVED RUGGEDNESS
Applications
HORIZONTAL DEFLECTION AND SWITCH
MODE POWER SUPPLY FOR TVs.
Description
The device is manufactured using Diffused
Collector Technology for more stable operation vs
base drive circuit variations resulting in very low
worst case dissipation.
Order codes
Internal Schematic Diagram
ISOWATT218FX
Part Number
Marking
Package
Packing
ST2111FX
2111FX
ISOWATT218FX
TUBE
www.st.com
1 Electrical Ratings
ST2111FX
2/7
1 Electrical
Ratings
Table 1.
Absolute Maximum Rating
Table 2.
Thermal Data
Symbol
Parameter
Value
Unit
V
CES
Collector-Base Voltage (v
BE
= 0)
1500
V
V
CEO
Collector-Emitter Voltage (I
B
= 0)
700
V
V
EBO
Collector-Base Voltage (I
C
= 0)
7
V
I
C
Collector Current
12
A
I
CM
Collector Peak Current (t
P
< 5ms)
25
A
I
B
Base Current
7
A
P
TOT
Total dissipation at T
c
= 25C
65
W
V
isol
Insulation Withstand Voltage (RMS) from All Three Leads to
External Heatsink
2500
V
T
STG
Storage Temperature
-65 to 150
C
T
J
Max. Operating Junction Temperature
150
C
Symbol
Parameter
Value
Unit
R
thJ-case
Thermal Resistance Junction-Case
____________________
Max
1.9
C/W
ST2111FX
2 Electrical Characteristics
3/7
2 Electrical
Characteristics
Table 3.
Electrical Characteristics (T
CASE
= 25C; unless otherwise specified)
Note: 1 Pulsed duration = 300
s, duty cycle
1.5%.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
CES
Collector Cut-off Current
(V
BE
= 0)
V
CE
= 1500V
V
CE
= 1500V, Tj=125C
1
2
mA
mA
I
EBO
Emitter Cut-off Current
(I
C
= 0)
V
EB
= 7V
1
mA
V
CE(
SUS
)
Note: 1
Collector-Emitter Sustaining
Voltage ( I
B
= 0)
I
C
= 100mA
700
V
V
CE(sat)
Note: 1
Collector-Emitter Saturation
Voltage
I
C
= 8 A I
B
= 2 A
3
V
V
BE(sat)
Note: 1
Base-Emitter Saturation Voltage
I
C
= 8 A I
B
= 2 A
1.5
V
h
FE
Note: 1
DC Current Gain
I
C
= 1 A V
CE
= 5 V
I
C
= 8 A V
CE
= 5 V
4.5
25
9
t
s
t
f
INDUCTIVE LOAD
Storage Time
Fall Time
I
C
=6 A f
h
=64KHz
I
B(on)
=1 A V
BE(off)
=-2.5 V
L
BB(off)
=1.3H
2.3
0.16
3
0.35
s
s
3 Package Mechanical Data
ST2111FX
4/7
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
ST2111FX
3 Package Mechanical Data
5/7
DIM.
mm.
MIN.
TYP
MAX.
A
5.30
5.70
C
2.80
3.20
D
3.10
3.50
D1
1.80
2.20
E
0.80
1.10
F
0.65
0.95
F2
1.80
2.20
G
10.30
11.50
G1
5.45
H
15.30
15.70
L
9
10.20
L2
22.80
23.20
L3
26.30
26.70
L4
43.20
44.40
L5
4.30
4.70
L6
24.30
24.70
L7
14.60
15
N
1.80
2.20
R
3.80
4.20
Dia
3.40
3.80
ISOWATT218FX MECHANICAL DATA
7627132 B
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