1996. 2. 9
1/2
SEMICONDUCTOR
TECHNICAL DATA
KTB778
TRIPLE DIFFUSED PNP TRANSISTOR
Revision No : 1
HIGH POWER AMPLIFIER APPLICATION.
FEATURES
Complementary to KTD998.
Recommended for 45 50W Audio Frequency
Amplifier Output Stage.
MAXIMUM RATING (Ta=25 )
DIM
MILLIMETERS
A
1. BASE
2. COLLECTOR
3. EMITTER
16.30 MAX
4.00
2.00
2.20 MAX
3.05 MAX
TO-3P(H)IS
A
F
G
E
B
N
M
D
O
O
S
T
H
12.00 0.30
5.50 0.20
1.20 MAX
8.00
5.00
17.00 0.30
0.60+0.15/-0.10
20.0 0.1
5.45
3.50
1.00
3.00 0.20
37.0
42.0
Q
P
L
J
K
R
C
1 2 3
U
W
V
W
I
B
C
D
E
F
G
H
J
K
L
M
N
O
P
Q
R
S
2.50
I
T
U
3.40+0.15/-0.10
V
10
W
8
+
_
+
_
+
_
+
_
+
_
ELECTRICAL CHARACTERISTICS (Ta=25 )
Note : h
FE
Classification R:55 110, O:80 160
CHARACTERISTIC
SYMBOL
RATING
UNIT
Collector-Base Voltage
V
CBO
-120
V
Collector-Emitter Voltage
V
CEO
-120
V
Emitter-Base Voltage
V
EBO
-5
V
Collector Current
I
C
-10
A
Base Current
I
B
-1
A
Collector Power Dissipation (Tc=25 )
P
C
80
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
=-120V, I
E
=0
-
-
-10
A
Emitter Cut-off Current
I
EBO
V
EB
=-5V, I
C
=0
-
-
-10
A
Collector-Emitter Breakdown Voltage
V
(BR)CEO
I
C
=-50mA, I
B
=0
-120
-
-
V
DC Current Gain
h
FE
(Note)
V
CE
=-5V, I
C
=-1A
55
-
160
Collector-Emitter Saturation Voltage
V
CE(sat)
I
C
=-5A, I
B
=-0.5A
-
-
-2.5
V
Base-Emitter Voltage
V
BE
V
CE
=-5V, I
C
=-5A
-
-
-1.5
V
Transition Frequency
f
T
V
CE
=-5V, I
C
=-1A
-
10
-
MHz
Collector Output Capacitance
C
ob
V
CB
=-10V, I
E
=0, f=1MHz
-
280
-
pF
1996. 2. 9
2/2
KTB778
Revision No : 1
-0.1
COLLECTOR EMITTER VOLTAGE V (V)
SAFE OPERATING AREA
COLLECTOR CURRENT I (A)
CE
-0.3
-0.5
-1
-3
-5
-10
-30
I - V
C
CE
CE
COLLECTOR-EMITTER VOLTAGE V (V)
0
-2
-4
-10
C
COLLECTOR CURRENT I (A)
DC CURRENT GAIN h
FE
10
-0.03
-0.01
C
C
FE
h - I
COLLECTOR CURRENT I (A)
COLLECTOR-EMITTER SATURATION
CE(sat)
-0.01
-0.03
-0.01
COLLECTOR CURRENT I (A)
C
C
CE(sat)
V - I
60
COLLECTOR POWER DISSIPATION P (W)
C
100
80
40
0
Pc - Ta
-6
-8
-10
-12
-14
0
-2
-4
-6
-8
COMMON EMITTER
Tc=25 C
I =-20mA
B
-50mA
-100mA
-200mA
-30
0mA
-400mA
0mA
-0.1
-0.3
-1
-3
-10
30
50
100
300
500
1k
COMMON EMITTER
V =-5V
CE
Tc=100 C
Tc=25 C
Tc=-25 C
VOLTAGE V (V)
-0.1
-0.3
-1
-3
-10
-0.03
-0.05
-0.1
-0.3
-0.5
-1
-3
-5
COMMON EMITTER
I /I =10
C B
Tc=100
C
Tc=25 C
Tc=-25 C
AMBIENT TEMPERATURE Ta ( C)
120
160
200
240
0
20
40
80
Ta=Tc
INFINITE HEAT SINK
300x300x2mm Al
HEAT SINK
200x200x2mm Al
HEAT SINK
100x100x2mm Al
HEAT SINK
NO HEAT SINK
1
2
3
4
5
1
2
3
4
5
C
-1
-3
-10
-30
-100
-300
SINGLE NONREPETITIVE
PULSE Tc=25 C
CURVES MUST BE DERATED
LINEARLY WITH INCREASE
IN TEMPERATURE
I MAX(PULSED)
C
I MAX(CONTINUOUS)
C
DC
OPERATION
Tc=2
5 C
t=1ms
t=10ms
t=100ms
t=500ms
V
M
A
X
CEO
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