Panasonic 2SD1821A User Manual

Page of 4
2SD1821A 
2
 
SJC00425AED 
 
This product complies with the RoHS Directive (EU 2002/95/EC).
 
V
CE(sat)
  I
C
 
h
FE
  I
f
T
  I
E
0
160
40
120
80
0
240
200
160
120
80
40
Collector power dissipation  
P
C
  (
mW
)
Ambient temperature  T
a
  (°C)
0
12
10
8
2
6
4
0
120
100
80
60
40
20
T
a
 = 25°C
1.8 mA
1.6 mA
1.4 mA
1.2 mA
1.0 mA
0.8 mA
0.6 mA
0.4 mA
0.2 mA
I
B
 = 2.0 mA
Collector current  
I
C
  (
mA
)
Collector-emitter voltage  V
CE
  (V)
0.1
1
10
100
0.01
0.1
1
10
100
I
C
 / I
B
 = 10
25°C
25°C
T
a
 = 75°C
Collector
-emitter saturation voltage  
V
CE(sat
)
  (
V
)
Collector current  I
C
  (mA)
0.1
1
10
100
0
600
500
400
300
200
100
V
CE
 = 10 V
T
a
 = 75°C
25°C
25°C
Forward current transfer ratio  
h
FE
Collector current  I
C
  (mA)
1
10
100
0
200
160
120
80
40
V
CB
 = 10 V
T
a
 = 25°C
Tr
ansition frequency  
f
T
  (
MHz
)
Emitter currentI
E
  (mA)
1
10
100
0
5
4
3
2
1
Collector-base voltage  V
CB
  (V)
I
E
 = 0
f = 1 MHz
T
a
 = 25°C
Collector output capacitance   (Common base, input open circuited) 
 C
ob
  (pF
)
0
2.0
1.6
0.4
1.2
0.8
0
120
100
80
60
40
20
V
CE
 = 10 V
T
a
 = 75°C
25°C
25°C
Base-emitter voltage  V
BE
  (V)
Collector current  
I
C
  (
mA
)
 
C
ob
  V
CB
 
P
C
  T
a
 
I
C
  V
CE
 
I
C
  V
BE