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2SD1478A
2 SJC00414AED
This product complies with the RoHS Directive (EU 2002/95/EC).
0
40
80
120 160
0
80
160
240
2SD1478A_ P
C
-T
a
Collector power dissipation P
C
(
mW
)
Ambient temperature T
a
(°C)
10
−1
1 10 10
2
10
−1
1
10
10
2
10
3
2SD1478A_ I
C
-V
CE
Collector current I
C
(
mA
)
Collector-emitter voltage V
CE
(V)
T
a
= 25°C
I
B
= 50 µA
45 µA
40 µA
35 µA
30 µA
25 µA
20 µA
15 µA
10 µA
5 µA
10
−2
10
−1
1 10
10
−1
10
1
2SD1478A_ V
CE(sat)
-I
C
Collector-emitter saturation voltage V
CE(sat)
(
V
)
Collector current I
C
(A)
I
C
/ I
B
= 1
000
T
a
= 75°C
25°C
−25°C
10
−2
10
−1
1 10
10
−1
10
1
2SD1478A_ V
BE(sat)
-I
C
Base-emitter saturation voltage V
BE(sat)
(
V
)
Collector current I
C
(A)
I
C
/ I
B
= 1
000
T
a
= −25°C
25°C
75°C
10
−2
10
−1
1
10
2
10
3
10
4
10
5
2SD1478A_ h
FE
-I
C
Forward current transfer ratio h
FE
Collector current I
C
(A)
V
CE
= 10 V
T
a
= 75°C
25°C
−25°C
1
10 10
2
0
2
4
6
2SD1478A_ C
ob
-V
CB
Collector output capacitance
(Common base, input open circuited) C
ob
(pF)
Collector-base voltage V
CB
(V)
I
E
= 0
f
= 1 MHz
T
a
= 25°C
P
C
T
a
I
C
V
CE
V
CE(sat)
I
C
V
BE(sat)
I
C
h
FE
I
C
C
ob
V
CB