QST3 ROHM Co. Ltd., QST3 Datasheet - Page 2

• Manufacturer Part Number: QST3
• Description: Low Vce Sat Transistor
• Manufacturer: ROHM Co. Ltd.

Transistors
Type
QST3
0.001
Packaging specifications
Electrical characteristic curves
1000
0.01
100
0.1
Fig.4 Grounded emitter propagation
10
10
0.001
1
BASE TO EMITTER CURRENT : V
0
V
Pulsed
V
Pulsed
CE
CE
COLLECTOR CURRENT : I
Fig.1 DC current gain
characteristics
=2V
Ta=25°C
=2V
0.01
Package
Code
Basic ordering unit (pieces)
vs. collector current
Ta=25°C
Ta=125°C
Ta= −40°C
0.1
Ta= −40°C
1
Ta=125°C
1
C
(A)
BE
(V)
Taping
10
10
3000
TR
1000
100
0.001
0.01
10
Fig.2 Collector-emitter saturation voltage
0.01
10
0.1
0.001
1
I
Pulsed
Fig.5 Gain bandwidth product
C
V
V
/I
BE
CE
B
base-emitter saturation voltage
vs. collector current
COLLECTOR CURRENT : I
EMITTER CURRENT : I
=20/1
(sat)
(sat)
vs. emitter current
0.01
0.1
Ta= −40°C
Ta=125°C
Ta=25°C
0.1
Ta= −40°C
Ta=125°C
Ta=25°C
1
E
Ta=25°C
V
f=100MHz
1
(A)
CE
C
= −2V
(A)
10
10
0.001
Fig.3 Collector-emitter saturation voltage
0.01
10000
0.1
1000
Fig.6 Collector output capacitance
100
0.001
1
10
0.001
COLLECTOR TO BASE VOLTAGE : V
EMITTER TO BASE VOLTAGE : V
I
Pulsed
C
I
Pulsed
Cib
Cob
/I
C
vs. collector current
/I
B
COLLECTOR CURRENT : I
=50/1
B
vs. collector-base voltage
Emitter input capacitance
vs. emitter-base voltage
=20/1
0.01
0.01
I
I
I
C
C
C
/I
/I
/I
B
B
B
=50/1
=20/1
=10/1
Rev.B
0.1
0.1
1
1
QST3
C
I
f=1MHz
Ta=25°C
10
C
(A)
=0A
EB
CB
(V)
2/2
(V)
10
100