TOSHIBA Transistor Silicon NPN Epitaxial Planar Type
2SC4244
2SC4244
UHF TV Tuner RF Amplifier Applications
Unit: mm
...
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
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 ...