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Toshiba Electronic Components Datasheet

C4839 Datasheet

2SC4839

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TOSHIBA Transistor Silicon NPN Epitaxial Planar Type
2SC4839
2SC4839
VHF~UHF Band Low Noise Amplifier Applications
Unit: mm
· Low noise figure, high gain.
· NF = 1.1dB, |S21e|2 = 12dB (f = 1 GHz)
Maximum Ratings (Ta = 25°C)
Characteristics
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Base current
Collector power dissipation
Junction temperature
Storage temperature range
Symbol
VCBO
VCEO
VEBO
IC
IB
PC
Tj
Tstg
Rating
20
12
3
80
40
100
125
-55~125
Unit
V
V
V
mA
mA
mW
°C
°C
Microwave Characteristics (Ta = 25°C)
JEDEC
JEITA
TOSHIBA
2-2H1A
Weight: 2.4 mg (typ.)
Characteristics
Transition frequency
Insertion gain
Noise figure
Symbol
Test Condition
fT
ïS21eï2 (1)
ïS21eï2 (2)
NF (1)
NF (2)
VCE = 10 V, IC = 20 mA
VCE = 10 V, IC = 20 mA, f = 500 MHz
VCE = 10 V, IC = 20 mA, f = 1 GHz
VCE = 10 V, IC = 5 mA, f = 500 MHz
VCE = 10 V, IC = 5 mA, f = 1 GHz
Min Typ. Max Unit
5 7 ¾ GHz
¾ 18 ¾
dB
7.5 12
¾
¾1¾
dB
¾ 1.1
2
Electrical Characteristics (Ta = 25°C)
Characteristics
Symbol
Test Condition
Min
Collector cut-off current
Emitter cut-off current
DC current gain
Output capacitance
Reverse transfer capacitance
ICBO
IEBO
hFE
Cob
Cre
VCB = 10 V, IE = 0
VEB = 1 V, IC = 0
VCE = 10 V, IC = 20 mA
VCB = 10 V, IE = 0, f = 1 MHz (Note)
¾
¾
30
¾
¾
Note: Cre is measured by 3 terminal method with capacitance bridge.
Typ.
¾
¾
¾
0.85
0.6
Max
1
1
250
¾
1.15
Unit
mA
mA
pF
pF
1 2003-03-19


Toshiba Electronic Components Datasheet

C4839 Datasheet

2SC4839

No Preview Available !

Marking
2SC4839
2 2003-03-19


Part Number C4839
Description 2SC4839
Maker Toshiba
PDF Download

C4839 Datasheet PDF






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