KFS20 Datasheet, PDF (1/1 Pages) Guangdong Kexin Industrial Co.,Ltd – NPN Medium Frequency Transistor

SMD Type
IC
Product specification
KFS20(BFS20)
Features
Low current (max. 25 mA)
Low voltage (max. 20 V)
Very low feedback capacitance (typ. 350 fF).
SOT-23
2.9+0.1
-0.1
0.4+0.1
-0.1
3
1
2
0.95+0.1
-0.1
1.9^+0.1
-0.1
Unit: mm
0.1^+0.05
-0.01
Absolute Maximum Ratings Ta = 25
Parameter
Symbol
Rating
Unit
Collector-base voltage
VCBO
30
V
Collector-emitter voltage
VCEO
20
V
Emitter-base voltage
VEBO
4
V
Collector current
IC
25
mA
Peak collector current
ICM
25
mA
power dissipation
PD
250
mW
Thermal resistance from junction to ambient *
Rth j-a
500
K/W
Junction temperature
Tj
150
Storage temperature
Tstg
-65 to +150
* Transistor mounted on an FR4 printed-circuit board.
1.Base
2.Emitter
3.collector
Electrical Characteristics Ta = 25
Parameter
Collector cutoff current
Emitter cutoff current
DC current gain
Base to emitter voltage
Collector capacitance
Freedback capacitance
Transition frequency
Symbol
ICBO
ICBO
IEBO
hFE
VBE
CC
Cre
fT
Testconditons
IE = 0; VCB = 20 V
IE = 0; VCB = 20 V; Tj = 100
IC = 0; VEB = 4V
IC = 7mA; VCE = 10 V
IC = 7 mA; VCE = 10V
IE = ie = 0; VCB = 10 V; f = 1 MHz
IC=0,VCB=10V,f=1MHz
IC =5mA; VCE =10 V; f = 100 MHz
Min Typ Max Unit
100 nA
10
A
100 nA
40 85
740 900 mV
1
pF
350
pF
275 450
MHz
Marking
Marking
G1
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