Transistor
2SA838
Silicon PNP epitaxial planer type
For high-frequency amplification
Complementary to 2SC1359
Unit: mm
4.0±0.2
5.0±0.2
Features
High transition frequency fT.
■
●
Absolute Maximum Ratings (Ta=25˚C)
■
Parameter
Symbol
VCBO
VCEO
VEBO
IC
Ratings
–30
Unit
V
Collector to base voltage
Collector to emitter voltage
Emitter to base voltage
Collector current
0.45–+00..12
0.45–+00..12
–20
V
1.27
1.27
–5
V
–30
mA
mW
˚C
Collector power dissipation
Junction temperature
Storage temperature
PC
250
1 2 3
1:Emitter
Tj
150
2:Collector
3:Base
JEDEC:TO–92
EIAJ:SC–43A
2.54±0.15
Tstg
–55 ~ +150
˚C
Electrical Characteristics (Ta=25˚C)
■
Parameter
Symbol
ICBO
ICEO
IEBO
Conditions
min
typ
max
Unit
µA
VCB = –10V, IE = 0
– 0.1
–100
–10
Collector cutoff current
VCE = –20V, IB = 0
Emitter cutoff current
VEB = –5V, IC = 0
µA
*
Forward current transfer ratio
hFE
VCE = –10V, IC = –1mA
IC = –10mA, IB = –1mA
VCE = –10V, IC = –1mA
70
220
Collector to emitter saturation voltage VCE(sat)
– 0.1
– 0.7
300
2.8
V
V
Base to emitter voltage
Transition frequency
Noise figure
VBE
fT
VCB = –10V, IE = 1mA, f = 200MHz
150
MHz
dB
Ω
NF
Zrb
VCB = –10V, IE = 1mA, f = 5MHz
VCE = –10V, IC = –1mA, f = 2MHz
4.0
50
Reverse transfer impedance
Common emitter reverse transfer
capacitance
22
VCE = –10V, IC = –1mA,
Cre
1.2
2.0
pF
f = 10.7MHz
*hFE Rank classification
Rank
hFE
B
C
70 ~ 140
110 ~ 220
1