1
Transistor
2SB779
Silicon PNP epitaxial planer type
For low-frequency output amplification
n
Features
l Low collector to emitter saturation voltage V
CE(sat)
.
l Satisfactory linearity of h
FE
at the low collector voltage.
l Mini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing and the magazine
packing.
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 JEDEC:TO–236
2:Emitter EIAJ:SC–59
3:Collector Mini Type Package
2.8
+0.2
–0.3
1.5
+0.25
–0.050.65– 0.15 0.65– 0.15
3
1
2
0.95
0.95
1.9
–
0.2
0.4
+0.1 –0.05
1.1
+0.2 –0.1
0.8
0.4– 0.2
0 to 0.1
0.16
+0.1 –0.06
1.45
0.1 to 0.3
2.9
+0.2 –0.05
Symbol
V
CBO
V
CEO
V
EBO
I
CP
I
C
P
C
T
j
T
stg
Ratings
–25
–20
–7
–1
– 0.5
200
150
–55 ~ +150
Unit
V
V
V
A
A
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
Base 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)
V
BE(sat)
f
T
C
ob
Conditions
V
CB
= –25V, 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
= –2V, I
C
= –0.5A
*2
V
CE
= –2V, I
C
= –1A
*2
I
C
= –500mA, I
B
= –50mA
*2
I
C
= –500mA, I
B
= –50mA
*2
V
CB
= –10V, I
E
= 50mA, f = 200MHz
V
CB
= –10V, I
E
= 0, f = 1MHz
min
–25
–20
–7
90
25
typ
– 0.2
150
15
max
–100
–1
220
– 0.4
–1.2
Unit
nA
m A
V
V
V
V
V
MHz
pF
*
h
FE1
Rank classification
Rank Q R
h
FE1
90 ~ 155 130 ~ 220
Marking Symbol 1AQ 1AR
Marking symbol : 1A
*2
Pulse measurement