1998. 6. 15
1/3
SEMICONDUCTOR
TECHNICAL DATA
KTC3121
EPITAXIAL PLANAR NPN TRANSISTOR
Revision No : 1
TV TUNER, UHF OSCILLATOR APPLICATION.
(COMMON BASE)
TV TUNER, UHF CONVERTER APPLICATION.
(COMMON BASE)
FEATURES
High Transition Frequency : f
T
=1500MHz (Typ.).
Excellent h
FE
Linearity.
MAXIMUM RATING (Ta=25 )
DIM
MILLIMETERS
1. EMITTER
2. BASE
3. COLLECTOR
SOT-23
A
B
C
D
E
2.93 0.20
1.30+0.20/-0.15
0.45+0.15/-0.05
2.40+0.30/-0.20
G
1.90
H
J
K
L
M
N
0.95
0.13+0.10/-0.05
0.00 ~ 0.10
0.55
0.20 MIN
1.00+0.20/-0.10
M
J
K
E
1
2
3
H
G
A
N
C
B
D
1.30 MAX
L
L
P
P
P
7
+
_
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Collector Cut-off Current
I
CBO
V
CB
=15V, I
E
=0
-
-
0.1
A
Emitter Cut-off Current
I
EBO
V
EB
=3V, I
C
=0
-
-
1.0
A
Collector-Emitter Breakdown Voltage
V
(BR)CEO
I
C
=1mA, I
B
=0
15
-
-
V
DC Current Gain
h
FE
V
CE
=3V, I
C
=8mA
60
150
320
Transition Frequency
f
T
V
CE
=10V, I
C
=8mA
1100
1500
-
MHz
Collector Output Capacitance
C
ob
V
CB
=10V, I
E
=2mA, f=1MHz
-
0.9
1.3
pF
Collector-Base Time Constant
C
C
rbb'
V
CB
=10V, I
E
=-8mA, f=30MHz
-
7.0
12
pS
CHARACTERISTIC
SYMBOL
RATING
UNIT
Collector-Base Voltage
V
CBO
30
V
Collector-Emitter Voltage
V
CEO
15
V
Emitter-Base Voltage
V
EBO
3
V
Base Current
I
B
25
mA
Collector Current
I
C
50
mA
Collector Power Dissipation
P
C
150
mW
Junction Temperature
T
j
150
Storage Temperature Range
T
stg
-55 150
Type Name
Marking
Lot No.
VA
1998. 6. 15
2/3
KTC3121
Revision No : 1
ie
0
INPUT SUSCEPTANCE b (mS)
OUTPUT SUSCEPTANCE
0
oe
0
OUTPUT CONDUCTANCE g (g ) (mS)
oe
oe
y - f
INPUT SUSCEPTANCE b (mS)
-100
ib
0
INPUT CONDUCTANCE g (mS)
ib
ib
y - f
0
INPUT CONDUCTANCE g (mS)
ie
ie
y - f
f - I
C
COLLECTOR CURRENT I (mA)
0.1
0.3
1
3
100
T
TRANSITION FREQUENCY f (MHz)
y - f
re
re
REVERSE TRANSFER CONDUCTANCE g (mS)
-0.6
re
b (mS)
-6
FORWARD TRANSFER SUSCEPTANCE
-120
fe
-20
FORWARD TRANSFER CONDUCTANCE g (mS)
fe
fe
y - f
T C
10
30 50
300
500
1k
3k
5k
10k
COMMON EMITTER
V =10V
Ta=25 C
CE
REVERSE TRANSFER SUSCEPTANCE
-0.5
-0.4
-0.3
-0.2
-0.1
0
-5
-4
-3
-2
-1
0
100MHz
200
400
600
800
900
-6mA
-4mA
I =-2mA
E
COMMON EMITTER
V =10V
Ta=25 C
CE
4
8
12
16
20
24
28
4
8
12
16
20
COMMON EMITTER
V =10V
Ta=25 C
CE
200
400
600
800 900
I =-2mA
E
100MHz
-4mA
-6mA
b (mS)
0
20
40
60
80
100
-100
-80
-60
-40
-20
0
900
800
600
400
200
I =-2mA
-4mA
-6mA
100MHz
E
COMMON EMITTER
V =10V
Ta=25 C
CE
y - f
ob
(
)
b (b ) (mS)
ob
ob
0.4
0.8
1.2
1.6
2.0
2.4
1
2
3
4
5
6
900
800
600
400
200
100MHz
-6mA
-4mA
I =-2mA
E
COMMON EMITTER
(COMMON BASE)
V =10V
(V =10V)
Ta=25 C
CE
CB
20
40
60
80
100
120
-80
-60
-40
-20
0
COMMON BASE
V =10V
Ta=25 C
CB
I =-2mA
E
-4mA
-6mA
100MHz
900
800
600
400
200
1998. 6. 15
3/3
KTC3121
Revision No : 1
y - f
rb
rb
REVERSE TRANSFER CONDUCTANCE g (mS)
-1.2
REVERSE TRANSFER SUSCEPTANCE
-3.0
b (mS)
rb
fb
b (mS)
0
FORWARD TRANSFER SUSCEPTANCE
-100
FORWARD TRANSFER CONDUCTANCE g (mS)
fb
fb
y - f
-1.0
-0.8
-0.6
-0.4
-0.2
0
-2.5
-2.0
-1.5
-1.0
-0.5
0
COMMON BASE
V =10V
Ta=25 C
CB
100MHz
200
400
600
800
900
I =-2mA
-4mA
-6mA
E
-80
-60
-40
-20
0
20
20
40
60
80
100
120
COMMON BASE
V =10V
Ta=25 C
CB
100MHz
-6mA
-4mA
I =-2mA
E
200
400
600
800
900
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