1998. 3. 13
1/3
SEMICONDUCTOR
TECHNICAL DATA
KTC4521F
TRIPLE DIFFUSED NPN TRANSISTOR
Revision No : 0
SWITCHING REGULATOR APPLICATION.
HIGH VOLTAGE SWITCHING APPLICATION.
FEATURES
Excellent Switching Times.
: t
on
=0.5 S(Max.), t
f
=0.3 S(Max.), at I
C
=4A.
High Collector Voltage : V
CEO
=500V.
MAXIMUM RATING (Ta=25 )
DIM
MILLIMETERS
1. BASE
2. COLLECTOR
3. EMITTER
TO-220IS
10.30 MAX
15.30 MAX
2.70 0.30
0.85 MAX
3.20 0.20
3.00 0.30
A
B
C
D
E
F
G
12.30 MAX
0.75 MAX
H
13.60 0.50
3.90 MAX
1.20
1.30
2.54
4.50 0.20
6.80
2.60 0.20
10
J
K
L
M
N
O
P
Q
R
F
O
Q
1
2
3
L
P
N
B
G
J
M
D
N
T
T
H
E
R
T
V
S
K
L
U
T
S
0.5
5
25
2.60 0.15
V
U
D
A
C
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
SYMBOL
RATING
UNIT
Collector-Base Voltage
V
CBO
800
V
Collector-Emitter Voltage
V
CEO
500
V
Emitter-Base Voltage
V
EBO
7
V
Collector Current
DC
I
C
5
A
Pulse
I
CP
10
Base Current
I
B
2
A
Collector Power Dissipation (Tc=25 )
P
C
40
W
Junction Temperature
T
j
150
Storage Temperature Range
T
stg
-55 150
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Collector Cut-off Current
I
CBO
V
CB
=500V, I
E
=0
-
-
10
A
Emitter Cut-off Current
I
EBO
V
EB
=5V, I
C
=0
-
-
10
A
Collector-Emitter Sustaning Voltage
V
CEX(SUS)
I
C
=2.5A, I
B1
=-I
B2
=1A L=1mH, Clamped
500
-
-
V
Collector-Emitter Saturation Voltage
V
CE(sat)
I
C
=3A, I
B
=0.6A
-
-
1
V
Base-Emitter Saturation Voltage
V
BE(sat)
I
C
=3A, I
B
=0.6A
-
-
1.5
V
DC Current Gain
h
FE
(1) (Note)
V
CE
=5V, I
C
=0.6A
15
-
50
h
FE
(2)
V
CE
=5V, I
C
=3A
8
-
-
Collector Output Capacitance
C
ob
V
CB
=10V, I
E
=0, f=1MHz
-
80
-
pF
Transition Frequency
f
T
V
CE
=10V, I
C
=0.6A
-
18
-
MHz
Switching
Time
Turn On Time
t
on
I
B1
50
B1
I
CC
V =200V
I
B2
I
B2
20
µS
I =0.8A , I =-1.6A
1%
B1
B2
OUTPUT
DUTY CYCLE
INPUT
<
=
-
-
0.5
S
Storage Time
t
stg
-
-
3
Fall Time
t
f
-
-
0.3
Note : h
FE
(1) Classification R:15 30, O:20 40, Y:30 50
1998. 9. 8
2/3
KTC4521F
Revision No : 0
COLLECTOR EMITTER VOLTAGE V (V)
COLLECTOR CURRENT
0
0
C
I - V
I (A)
2
1
2
3
4
CE
C
COLLECTOR CURRENT I (A)
0.02
0.1
1
0
0.01
DC CURRENT GAIN h
0.2
0.5
2
2
5
20
100
200
1000
FE
h - I
C
FE
10
50
500
0.05
1
5
0.5
COLLECTOR CURRENT I (A)
V , V - I
2
SATURATION VOLTAGE
0.02
0.1
0.05
0.02
0.01
0.5
0.2
1
C
0.1
I /I =5
0.05
0.2
5
10
C
1
2
10
5
CE(sat)
0.01
BASE EMITTER VOLTAGE V (V)
COLLECTOR CURRENT
0
1
2
3
I (A)
C
4
BE
0.1
0.2
5
COLLECTOR CURRENT I (A)
1
0.01
COLLECTOR EMITTER VOLTAGE V (A)
CE
C
2
5
10
50
100 200
1000
500
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
I MAX.
C
(CONTINUOUS)
I MAX.(Pulse)
C
DC
O
PER
AT
IO
N
*10mS
*1
mS
*100
µS
*50
µS
* SINGLE NONREPETITIVE
PLUS Ta=25 C
SAFE OPERATING AREA
SWITCHING TIME (
µ
S)
COLLECTOR CURRENT I (A)
0.01
C
0.1
0.2
0.5
1
2
5
10
0.02
0.05
0.1
0.2
0.5
1
2
5
10
5
4
6
8
10
C
CE
I =0
B
I =20mA
B
I =50mA
B
I =100mA
B
I =200mA
B
I =400
mA
B
I =600mA
B
B
I =1.2A
B
I =1A
I =800mA
B
0
V =5V
CE
BE(sat)
C
V , V (V)
BE(sat)
C
E(sat)
BE(sat)
V
CE(sat)
V
B
0.4
0.6
0.8
1.0
1.2
6
V =5V
CE
SWITCHING CHARACTERISTICS
t
stg
on
t
f
t
V MAX.
CEO
CURVES MUST BE DERATED
LINEARLY WITH INCREASE
IN TEMPERATURE
V - I
BE
C
1998. 9. 8
3/3
KTC4521F
Revision No : 0
COLLECTOR CURRENT I (A)
10
0.01
COLLECTOR EMITTER VOLTAGE V (A)
CE
C
20
50 100 200
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
REVERSE BIAS SAFE OPERATING AREA
COLLECTOR POWER DISSIPATION P (W)
AMBIENT TEMPERATIURE Ta ( C)
0
C
25
500 1000 2000 5000 10000
L=200
µH
I 2=-1A
B
50
75
100
125
150
175
200
0
10
20
30
40
50
60
70
80
Pc - Ta
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