SMALL-SIGNAL CHARACTERISTICS
Current-Gain-Bandwidth Product
(IC=-50 mAdc, VCE=-10 Vdc, f=30MHz)
fT
100
-
-
DC Current Gain
(IC=-100 mAdc, VCE=1.0 Vdc)
(IC=-800 mAdc, VCE=1.0 Vdc)
Collector-Emitter Saturation Voltage
(IC=-800 mAdc, IB=-80mAdc)
Base-Emitter Saturation Voltage
(IC=-800 mAdc, IB=-80mAdc)
hFE
VCE(sat)
VBE(sat)
-
-
-
-
-
Vdc
Vdc
ON CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
(TA=25 C unless otherwise noted) (Countinued)
Characteristics
Symbol
Unit
Min
Max
SS8550LT1
(1)
hFE
(2)
120
40
350
MHz
CLASSIFICATION OF h FE(1)
Rank
Range
L
H
120-200
200-350
-0.5
-1.2
WEITRON
http://www.weitron.com.tw
-0.4
-0.8
-1.2
-1.6
-2.0
-0.1
-0.2
-0.3
-0.4
-0.5
I
B
=-4.0mA
I
B
=-3.5mA
I
B
=-3.0mA
I
B
=-2.5mA
I
B
=-2.0mA
I
B
=-1.5mA
I
B
=-1.0mA
I
B
=-0.5mA
I
C
[
m
A
]
,
C
O
L
L
E
C
T
O
R
C
U
R
R
E
N
T
V
CE
[V], COLLECTOR-EMITTER VOLTAGE
-0
.1
-1
-10
-100
-1000
1
10
10 0
10 00
V
CE
= -1V
h
F
E
,
D
C
C
U
R
R
E
N
T
G
A
I
N
I
C
[mA], COLLECTOR CURRENT
-0.1
-1
-10
-100
-1000
-1
0
-100
-1
00
0
-10
000
V
CE(sat)
V
BE(sat)
I
C
=10I
B
V
B
E
(
s
a
t
)
,
V
C
E
(
s
a
t
)
[
V
]
,
S
A
T
U
R
A
T
I
O
N
V
O
L
T
A
G
E
I
C
[mA], COLLECTOR CURRENT
-0
.0
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-0.1
-1
-10
-100
V
CE
= -1V
I
C
[
m
A
]
,
C
O
L
L
E
C
T
O
R
C
U
R
R
E
N
T
V
BE
[V], BASE-EMITTER VOLTAGE
-1
-10
-100
-1000
10
100
100
0
V
CE
=-10V
f
T
[
M
H
z
]
,
C
U
R
R
E
N
T
G
A
I
N
-
B
A
N
D
W
I
D
T
H
P
R
O
D
U
C
T
I
C
[mA], COLLECTOR CURRENT
SS8550LT1
http://www.weitron.com.tw
WEITRON
FIG.1 Static Characteristic
FIG.2 DC Current Gain
FIG.3 Base-Emitter Saturation Voltage
Collector-Emitter Saturation Voltage
FIG.4 Base-Emitter On Voltage
FIG.5 Current Gain Bandwidth Product
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