2sa1900 ROHM Co. Ltd., 2sa1900 Datasheet - Page 2

• Manufacturer Part Number: 2sa1900
• Description: Medium Power Transistor -50v, -1a
• Manufacturer: ROHM Co. Ltd.

Transistors
Fig.1 Grounded emitter output characteristics
Electric characteristics curves
1000
−1.0
−0.8
−0.6
−0.4
−0.2
500
200
100
COLLECTOR TO EMITTER VOLTAGE : V
50
20
10
5
2
1
0
0
1m 2m
− 10mA
Fig.4 Gain bandwith product
− 9mA
− 1
EMITTER CURRENT : I
5m
vs. emitter current
10m 20m
− 2
50m
− 3
0.1 0.2
E
(A )
Ta=25°C
− 4
Ta=25°C
V
CE
= −5V
0.5
CE
− 5
(V)
1
1000
1000
−0.001
500
200
100
500
200
100
50
20
10
Fig.5 Collector output capacitance
50
20
10
−0.1
5
2
1
5
2
1
COLLECTOR TO BASE VOLTAGE : V
COLLECTOR CURRENT : I
vs. collector-base voltage
Fig.2 DC current gain
−0.01
−1
vs. collector current
−0.1
−10
C
Ta=25°C
f=1MHz
I
Ta=25°C
E
(A)
V
=0A
CE
CB
=−3V
−1 −2
(V)
−100
Fig.3 Collector-emitter saturation voltage
− 1000
− 500
− 200
− 100
− 0.05
− 0.02
− 0.01
− 50
− 20
− 10
− 0.5
− 0.2
− 0.1
COLLECTOR TO EMITTER VOLTAGE : V
−1m
− 5
− 2
− 1
− 10
− 5
− 2
− 1
−0.1
Ta=25°C
I
C
vs.collector current
/I
B
Fig.6 Safe operating area
=10
I
COLLECTOR CURRENT : I
C Max.
(Pulse ∗ )
−10m
−1
Rev.C
−100m
2SA1900
Ta=25°C
∗Single
nonrepeatitive pulse
−10
C
(A)
−1 −2
CE
−100
2/2
(V)