1
Transistor
2SD638, 2SD639
Silicon NPN epitaxial planer type
For medium-power general amplification
Complementary to 2SB643 and 2SB644
n
Features
l Low collector to emitter saturation voltage V
CE(sat)
.
l M type package allowing easy automatic and manual insertion as
well as stand-alone fixing to the printed circuit board.
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:Collector EIAJ:SC–71
3:Emitter M Type Mold Package
6.9– 0.1
0.55– 0.1 0.45– 0.05
1.0
–
0.1
1.0
2.5– 0.1
1.0
1.5
1.5 R0.9
R0.9
R0.7
0.4
0.85
3.5
–
0.1
2.0
–
0.2
2.4
–
0.2
1.25
–
0.05
4.1
–
0.2
4
.5
–
0.1
2.5 2.5
123
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Ratings
30
60
25
50
7
1
0.5
600
150
–55 ~ +150
Unit
V
V
V
A
A
mW
˚C
˚C
2SD638
2SD639
2SD638
2SD639
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
Collector output capacitance
Symbol
I
CBO
I
CEO
V
CBO
V
CEO
V
EBO
h
FE1
*1
h
FE2
V
CE(sat)
f
T
C
ob
Conditions
V
CB
= 20V, I
E
= 0
V
CE
= 20V, I
B
= 0
I
C
= 10m A, I
E
= 0
I
C
= 2mA, I
B
= 0
I
E
= 10m A, I
C
= 0
V
CE
= 10V, I
C
= 10mA
V
CE
= 10V, I
C
= 500mA
*2
I
C
= 300mA, I
B
= 30mA
V
CB
= 10V, I
E
= –50mA, f = 200MHz
V
CB
= 10V, I
E
= 0, f = 1MHz
min
30
60
25
50
7
85
40
typ
160
90
0.35
200
6
max
0.1
1
340
0.6
15
Unit
m A
m A
V
V
V
V
MHz
pF
*1
h
FE1
Rank classification
Rank Q R S
h
FE1
85 ~ 170 120 ~ 240 170 ~ 340
*2
Pulse measurement
2SD638
2SD639
2SD638
2SD639