2SC4591
Electrical Characteristics
Item
Collector to base breakdown voltage
Collector cutoff current
Emitter cutoff current
DC current transfer ratio
Collector output capacitance
Gain bandwidth product
Power gain
Noise figure
(Ta = 25°C)
Symbol Min Typ Max Unit
Test conditions
V(BR)CBO
15
—
—
V IC = 10 µA, IE = 0
ICBO
—
—
1
µA VCB = 12 V, IE = 0
ICEO
—
—
1
mA VCE = 9 V, RBE = ∞
IEBO
—
—
10
µA VEB = 1.5 V, IC = 0
hFE
40
120 250
— VCE = 5 V, IC = 20 mA
Cob
—
0.8
1.5
pF VCB = 5 V, IE = 0,
f = 1MHz
fT
6.5
9.0
— GHz VCE = 5 V, IC = 20 mA
PG
9.5 12.5 —
dB VCE = 5 V, IC = 20 mA,
f = 900 MHz
NF
—
1.2
2.5
dB VCE = 5 V, IC = 5 mA,
f = 900 MHz
Rev.3.00 Aug 10, 2005 page 2 of 4