2SC4244 Ver la hoja de datos (PDF) - Toshiba
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2SC4244 Datasheet PDF : 5 Pages
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TOSHIBA Transistor Silicon NPN Epitaxial Planar Type
2SC4244
2SC4244
UHF TV Tuner RF Amplifier Applications
Unit: mm
· Low noise figure: NF = 4dB (typ.)
· High power gain: Gpb = 17dB (typ.)
· Excellent forward AGC characteristics
Maximum Ratings (Ta = 25°C)
Characteristics
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Base current
Collector current
Collector power dissipation
Junction temperature
Storage temperature range
Symbol
VCBO
VCEO
VEBO
IB
IC
PC
Tj
Tstg
Rating
Unit
25
V
20
V
2
V
4
mA
20
mA
100
mW
125
°C
-55~125
°C
Electrical Characteristics (Ta = 25°C)
JEDEC
―
JEITA
SC-70
TOSHIBA
2-2E1A
Weight: 0.006 g (typ.)
Characteristics
Collector cut-off current
Emitter cut-off current
Collector-emitter breakdown voltage
DC current gain
Transition frequency
Reverse transfer capacitance
Power gain
Noise figure
AGC voltage
Symbol
Test Condition
ICBO
IEBO
V (BR) CEO
hFE
fT
Crb
Gpe
NF
VAGC
VCB = 10 V, IE = 0
VEB = 2 V, IC = 0
IC = 1 mA, IB = 0
VCE = 3 V, IC = 1 mA
VCE = 3 V, IC = 1 mA
VCE = 2 V, IB = 0, f = 1 MHz
VCC = 4.5 V, VAGC = 2.0 V
f = 800 MHz (Figure 1)
VCC = 4.5 V, G.R. = -20dB,
f = 800 MHz
Min Typ. Max Unit
¾
¾
0.1
mA
¾
¾
1
mA
20
¾
¾
V
40
100
¾
500 850
¾
MHz
¾
0.4 0.55 pF
12
17
¾
dB
¾
4
6
dB
(Note) 2.5
3.2
4.0
V
1
2003-03-27
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