1
Transistor
2SB642
Silicon PNP epitaxial planer type
For low-power general amplification
n
Features
l High foward current transfer ratio h
FE
.
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
–60
–50
–7
–200
–100
400
150
–55 ~ +150
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
Collector output capacitance
Symbol
I
CBO
I
CEO
V
CBO
V
CEO
V
EBO
h
FE
*
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
= –2mA
I
C
= –100mA, I
B
= –10mA
V
CB
= –10V, I
E
= 2mA, f = 200MHz
V
CB
= –10V, I
E
= 0, f = 1MHz
min
–60
–50
–7
160
typ
80
3.5
max
–1
–1
460
–1
Unit
nA
m A
V
V
V
V
MHz
pF
*
h
FE
Rank classification
Rank Q R S
h
FE
160 ~ 260 210 ~ 340 290 ~ 460