QST8 Rohm, QST8 Datasheet - Page 2

• Manufacturer Part Number: QST8
• Description: General purpose amplification
• Manufacturer: Rohm

Transistors
Type
QST8
−0.001
Packaging specifications
Electrical characteristic curves
−0.01
1000
−0.1
Fig.4 Grounded emitter propagation
−10
100
−1
10
−0.001
100
10
BASE TO EMITTER CURRENT : V
0
1
−0.1
COLLECTOR TO BASE VOLTAGE : V
Fig.7 Collector output capacitance
V
Pulsed
EMITTER TO BASE VOLTAGE : V
CE
Ta= −40°C
Ta=100°C
Cob
Cib
Ta=100°C
Ta=25°C
Ta= −40°C
characteristics
Ta=25°C
=2V
COLLECTOR CURRENT : I
Fig.1 DC current gain
vs. collector-base voltage
Emitter input capacitance
vs. emitter-base voltage
−0.01
Package
Code
Basic ordering unit (pieces)
−0.5
vs. collector current
−1
−0.1
−1.0
−10
−1
V
Pulsed
C
I
f=1MHz
Ta=25°C
CE
E
(A)
=0A
BE
= −2V
EB
(V)
CB
Taping
−1.5
3000
(V)
−10
−100
(V)
TR
0.001
1000
0.01
Fig.2 Collector-emitter saturation voltage
0.1
100
10
10
0.001
0.001
1
I
Pulsed
C
Fig.5 Gain bandwidth product
V
V
/ I
BE (sat)
CE (sat)
base-emitter saturation voltage
vs. collector current
COLLECTOR CURRENT : I
B
=20/1
EMITTER CURRENT : I
Ta= −40°C
Ta=100°C
Ta=25°C
0.01
vs. emitter current
0.01
Ta= −40°C
Ta=25°C
Ta=100°C
0.1
0.1
1
1
E
Ta=25°C
V
Pulsed
C
CE
(A)
(A)
= −2V
10
10
−0.001
Fig.3 Collector-emitter saturation voltage
1000
−0.01
100
−0.1
10
−0.001
−1
−0.001
1
Ta=25°C
Pulsed
vs. collector current
I
I
I
COLLECTOR CURRENT : I
C
C
C
COLLECTOR CURRENT : I
/ I
/ I
/ I
B
B
B
Fig.6 Switching time
=50
=20
=10
−0.01
−0.01
Rev.A
−0.1
−0.1
I
Ta=25°C
Pulsed
C
=20 I
−1
B
−1
QST8
1= −20 I
C
C
tstg
tf
tdon
tr
(A)
(A)
B
2/2
2
−10
−10