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Kexin |
SMD Type
Transistors
Silicon NPN epitaxial planer type
BF620; BF622
Features
Low current (max. 50 mA)
High voltage (max. 300 V).
Absolute Maximum Ratings Ta = 25
Parameter
collector-base voltage
BF620
(open emitte)
BF622
collector-emitter voltage
BF620
(open-base )
BF622
emitter-base voltage (open collector)
collector current (DC)
peak collector current
peak base current
total power dissipation Tamb 25 *
storage temperature
junction temperature
operating ambient temperature
thermal resistance from junction to ambient *
thermal resistance from junction to soldering point
Symbol
VCBO
VCEO
VEBO
IC
ICM
IBM
Ptot
Tstg
Tj
Tamb
Rth j-a
Rth j-s
Rating
300
250
300
250
5
50
100
50
1.25
-65 to150
150
-65 to150
100
20
Unit
V
V
V
V
V
mA
mA
mA
W
K/W
K/W
* Device mounted on a printed-circuit board, single-sided copper, tinplated, mounting pad for
collector 6 cm2.
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SMD Type
Transistors
BF620; BF622
Electrical Characteristics Ta = 25
Parameter
collector cut-off current
emitter cut-off current
DC current gain
collector-emitter saturation voltage
feedback capacitance
transition frequency
unless otherwise specified.
Symbol
V(BR)CBO
IEBO
hFE
VCEsat
Cre
fT
Testconditons
IE = 0; VCB = 200 V
IE = 0; VCB = 200 V; Tj = 150
IC = 0; VEB = 5 V
IC = 25 mA; VCE = 20 V
IC = 30 mA; IB = 5 mA
IC = ic = 0; VCE = 30 V; f = 1 MHz
IC = 10 mA; VCE = 10 V; f = 100 MHz
Min Typ Max Unit
10 nA
10 mA
50 nA
50
600 mV
1.6 pF
60 MHz
Marking
Type Number
Marking
BF620
DC
BF622
DA
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