Transistor
2SB779
Silicon PNP epitaxial planer type
For low-frequency output amplification
Unit: mm
2.8 –+00..32
1.5 –+00..0255
0.65±0.15
Features
■
0.65±0.15
●
Low collector to emitter saturation voltage VCE(sat)
.
●
●
Satisfactory linearity of hFE at the low collector voltage.
Mini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing and the magazine
packing.
1
2
3
Absolute Maximum Ratings (Ta=25˚C)
■
Parameter
Symbol
VCBO
VCEO
VEBO
ICP
Ratings
–25
Unit
V
0.1 to 0.3
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Peak collector current
Collector current
0.4±0.2
–20
V
–7
V
–1
A
1:Base
2:Emitter
3:Collector
JEDEC:TO–236
EIAJ:SC–59
Mini Type Package
IC
– 0.5
200
A
Collector power dissipation
Junction temperature
Storage temperature
PC
mW
˚C
˚C
Marking symbol : 1A
Tj
150
Tstg
–55 ~ +150
Electrical Characteristics (Ta=25˚C)
■
Parameter
Symbol
ICBO
Conditions
min
typ
max
–100
–1
Unit
nA
µA
V
VCB = –25V, IE = 0
VCE = –20V, IB = 0
Collector cutoff current
ICEO
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
VCBO
VCEO
VEBO
IC = –10µA, IE = 0
–25
–20
–7
IC = –1mA, IB = 0
V
IE = –10µA, IC = 0
V
*1
hFE1
hFE2
VCE = –2V, IC = –0.5A*2
VCE = –2V, IC = –1A*2
90
220
Forward current transfer ratio
25
Collector to emitter saturation voltage VCE(sat)
Base to emitter saturation voltage VBE(sat)
IC = –500mA, IB = –50mA*2
IC = –500mA, IB = –50mA*2
VCB = –10V, IE = 50mA, f = 200MHz
VCB = –10V, IE = 0, f = 1MHz
– 0.2
– 0.4
–1.2
V
V
Transition frequency
fT
150
15
MHz
pF
Collector output capacitance
Cob
*2 Pulse measurement
*hFE1 Rank classification
Rank
hFE1
Q
R
90 ~ 155
1AQ
130 ~ 220
1AR
Marking Symbol
1