參數(shù)資料
型號: QST4
廠商: Rohm CO.,LTD.
英文描述: Low frequency amplifier
中文描述: 低頻放大器
文件頁數(shù): 2/3頁
文件大?。?/td> 67K
代理商: QST4
QST4
Transistors
z
Packaging specifications
Rev.C
2/2
QST4
TR
3000
Type
Package
Code
Basic ordering unit (pieces)
Taping
z
Electrical characteristic curves
1000
125
C
Fig1. DC current gain
vs. collector current
0.001
0.01
0.1
10
100
1
10
Fig.2 Collector-emitter saturation voltage
vs. collector current
COLLECTOR CURRENT : I
C
(
A)
C
(
V
0.001
0.01
0.1
0.001
0.01
0.1
1
10
I
C
/I
B
=20/1
Pulsed
1
25
C
125
C
40
C
10
10
0.1
1
0.001
0.01
0.1
1
I
C
/I
B
=20/1
Pulsed
COLLECTOR CURRENT : I
C
(
A)
Fig.3 Base
emitter saturation voltage
vs.collector current
B
B
(
V
25
C
125
C
40
C
COLLECTOR CURRENT : I
C
(
A)
D
F
V
CE
=
2V
Pulsed
25
C
40
C
Fig 6. Collector output capacitance vs. collector-base voltage
Emitter input capacitance vs. emitter-base volatage
1000
100
10
0.001
0.01
0.1
1
10
100
Cob
EMITTER TO BASE VOLTAGE : V
EB
(V)
COLLECTOR TO BASE VOLTAGE : V
CB
(V)
I
C
=
0A
f=1MHz
Ta=25
°
C
Cib
BASE TO EMITTER CURRENT : V
BE
(V
)
Fig.4 Grounded emitter propagation
charactereistics
10
C
0.001
0.01
0.1
1
10
0.1
1
I
C
/I
B
=20/1
Pulsed
25
C
125
C
40
C
Fig.5 Gain bandwidth product
vs. emitter current
EMITTER CURRENT : I
E
(A)
T
10
100
1000
0.01
0.1
1
10
Ta
=
25
°
C
V
CE
=
2V
f
=
100MHz
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