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2SA1738
Switching time measurement circuit
t
, t
Test circuit
on
off
V
BB
2 kΩ
0.1 µF
52 Ω
V
IN
51 Ω
0
10%
V
IN
90%
90%
V
10%
OUT
t
t
on
off
= −5.8 V
= 9.8 V
V
V
IN
IN
= Ground
= −8.0 V
V
V
BB
BB
V
I
C
CE
−60
I
B
−50
−40
−30
−20
−10
0
−2
−4
−6
−8
0
Collector-emitter voltage V
I
h
FE
C
240
200
160
120
= 75°C
T
a
80
25°C
−25°C
40
0
− 0.1
−1
−10
Collector current I
C
2
This product complies with the RoHS Directive (EU 2002/95/EC).
= −1.5 V
V
CC
62 Ω
V
0.1 µF
OUT
V
IN
51 Ω
0
V
IN
V
OUT
−100
= 25°C
T
a
= −600 µA
−500 µA
−10
−400 µA
−300 µA
−1
−200 µA
− 0.1
−100 µA
− 0.01
−10
−12
−1
( V )
Collector current I
CE
2 400
= −10 V
V
CE
2 000
1 600
1 200
800
400
0
−100
1
( mA )
t
Test circuit
stg
= −10 V
= −3 V
V
V
BB
CC
508 Ω
30 Ω
V
34 Ω
OUT
90%
90%
t
stg
= 9.0 V
V
IN
I
V
CE(sat)
C
= 10
I
/ I
C
B
= 75°C
T
a
25°C
−25°C
−10
−100
−1 000
( mA )
C
I
f
T
E
= −10 V
V
CB
f = 200 MHz
= 25°C
T
a
10
100
( mA )
Emitter current I
E
SJC00026BED
T
P
C
a
240
200
160
120
80
40
0
0
40
80
120
Ambient temperature T
a
I
V
BE(sat)
C
−100
I
C
−10
= −25°C
T
a
25°C
75°C
−1
− 0.1
− 0.01
−1
−10
−100
( mA )
Collector current I
C
V
C
ob
CB
2.4
I
E
f = 1 MHz
T
a
2.0
1.6
1.2
0.8
0.4
0
−1
−10
Collector-base voltage V
160
( °C )
= 10
/ I
B
−1 000
= 0
= 25°C
−100
( V )
CB
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