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2SC4808 Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Silicon NPN epitaxial planer type(For UHF band low-noise amplification)
Transistor
2SC4808
Silicon NPN epitaxial planer type
For UHF band low-noise amplification
s Features
q Low noise figure NF.
q High gain.
q High transition frequency fT.
q SSMini type package, allowing downsizing of the equipment and
automatic insertion through the tape packing.
Unit: mm
1.6±0.15
0.4 0.8±0.1 0.4
1
3
2
s Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Ratings
Unit
Collector to base voltage
VCBO
15
V
Collector to emitter voltage VCEO
10
V
Emitter to base voltage
VEBO
2
V
Collector current
IC
80
mA
Collector power dissipation PC
125
mW
Junction temperature
Tj
125
˚C
Storage temperature
Tstg
–55 ~ +125
˚C
0.2±0.1
1:Base
2:Emitter
3:Collector
EIAJ:SC–75
SS–Mini Type Package
Marking symbol : 3M
s Electrical Characteristics (Ta=25˚C)
Parameter
Symbol
Conditions
min
typ
max Unit
Collector cutoff current
Emitter cutoff current
Collector to base voltage
Collector to emitter voltage
Forward current transfer ratio
ICBO
IEBO
VCBO
VCEO
hFE
VCB = 10V, IE = 0
VEB = 2V, IC = 0
IC = 10µA, IE = 0
IC = 100µA, IB = 0
VCE = 8V, IC = 20mA*
1
µA
1
µA
15
V
10
V
50
150 300
Transition frequency
Collector output capacitance
Foward transfer gain
fT
Cob
| S21e |2
VCE = 8V, IC = 15mA, f = 800MHz
5
6
GHz
VCB = 10V, IE = 0, f = 1MHz
0.7
1.2
pF
VCE = 8V, IC = 15mA, f = 800MHz
11
14
dB
Maximum unilateral power gain
Noise figure
GUM
NF
VCE = 8V, IC = 15mA, f = 800MHz
VCE = 8V, IC = 7mA, f = 800MHz
15
dB
2
dB
* Pulse measurement
1