1
Transistor
2SD2345
Silicon NPN epitaxial planer type
For low-frequency amplification
n
Features
l High foward current transfer ratio h
FE
.
l Low collector to emitter saturation voltage V
CE(sat)
.
l High emitter to base voltage V
EBO
.
l Low noise voltage NV.
n
Absolute Maximum Ratings (Ta=25˚C)
Unit: mm
Parameter
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
Collector power dissipation
Junction temperature
Storage temperature
1:Base
2:Emitter EIAJ:SC–75
3:Collector SS–Mini Type Package
1.6– 0.15
1.6
–
0.1
1.0
–
0.1
0.75
–
0.15
0.45
–
0.1
0.5
0.3
0 to 0.1
0.5
0.8– 0.1 0.40.4
0.2
+0.1 –0.05
0.15
+0.1 –0.05
1
2
3
0.2– 0.1
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Ratings
50
40
15
100
50
125
125
–55 ~ +125
Unit
V
V
V
mA
mA
mW
˚C
˚C
n
Electrical Characteristics (Ta=25˚C)
Parameter
Collector cutoff current
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Forward current transfer ratio
Collector to emitter saturation voltage
Transition frequency
Symbol
I
CBO
I
CEO
V
CBO
V
CEO
V
EBO
h
FE
*
V
CE(sat)
f
T
Conditions
V
CB
= 20V, I
E
= 0
V
CE
= 20V, I
B
= 0
I
C
= 10m A, I
E
= 0
I
C
= 1mA, I
B
= 0
I
E
= 10m A, I
C
= 0
V
CE
= 10V, I
C
= 2mA
I
C
= 10mA, I
B
= 1mA
V
CB
= 10V, I
E
= –2mA, f = 200MHz
min
50
40
15
400
typ
0.05
120
max
100
1
2000
0.2
Unit
nA
m A
V
V
V
V
MHz
*
h
FE
Rank classification
Rank R S T
h
FE
400 ~ 800 600 ~ 1200 1000 ~ 2000
Marking symbol : 1Z