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
µ
A
45
µ
A
40
µ
A
35
µ
A
30
µ
A
25
µ
A
20
µ
A
15
µ
A
10
µ
A
5
µ
A
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