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Toshiba Electronic Components Datasheet

C4244 Datasheet

2SC4244

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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
25
20
2
4
20
100
125
-55~125
Unit
V
V
V
mA
mA
mW
°C
°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
¾
¾
20
40
500
¾
12
¾
(Note) 2.5
Typ.
¾
¾
¾
100
850
0.4
17
4
3.2
Max
0.1
1
¾
¾
¾
0.55
¾
6
4.0
Unit
mA
mA
V
MHz
pF
dB
dB
V
1 2003-03-27


Toshiba Electronic Components Datasheet

C4244 Datasheet

2SC4244

No Preview Available !

2SC4244
L1, L2: f1.0 mm silver plated copper wire
Note: VAGC measured by the test circuit shown in Figure 1, when the power gain is reduced to 20dB compared with
Gpb shown above table.
Figure 1 800 MHz Gpe, NF Test Circuit
Marking
2 2003-03-27


Part Number C4244
Description 2SC4244
Maker Toshiba
PDF Download

C4244 Datasheet PDF






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