BF 775
NPN Silicon RF Transistor Especially suitable for TV-Sat and UHF tuners
3
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type BF 775
Maximum Ratings Parameter
Junction temperature Ambient temperature Storage temperature
Thermal Resistance Parameter
1T S
is measured on the collector lead at the soldering point to the pcb
1 Nov-30-2000
Junction - soldering point
2 1
VPS05161
Marking LOs
Pin Configuration 1=B 2=E
Symbol VCEO VCES VCBO VEBO IC IB Ptot Tj TA Tstg Symbol RthJS
3=C
Package SOT-23
Value
Unit
Collector-emitter voltage Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Base current Total power dissipation
TS 48°C1)
15 20 20 2.5 30 4 280 150 -65 ... 150 -65 ... 150
V
mA mW °C
Value
Unit
365
K/W
BF 775
Electrical Characteristics Parameter Characteristics Symbol min. Values typ. max. Unit
Collector-emitter breakdown voltage
IC = 1 mA, IB = 0
V(BR)CEO ICES ICBO IEBO hFE
15 40
100
10 100 100 200
V µA nA µA -
Collector-emitter cutoff current
VCE = 20 V, VBE = 0
Collector -base cutoff current
VCB = 10 V, IE = 0
Emitter-base cutoff current
VEB = 2.5 V, IC = 0
DC current gain
IC = 10 mA, VCE = 8 V
2
Nov-30-2000
BF 775
Electrical Characteristics Parameter AC Characteristics Symbol min. Values typ. max. Unit
Transition frequency
IC = 10 mA, VCE = 8 V, f = 500 MHz
fT Ccb Cce Ceb F
3.5 -
5.5 0.38 0.2 0.5
0.6 -
GHz pF
Collector-base capacitance
VCB = 10 V, f = 1 MHz
Collector emitter capacitance
VCE = 10 V, f = 1 MHz
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz
Noise figure
IC = 2 mA, VCE = 6 V, ZS = ZSopt, f = 900 MHz f = 1.8 GHz
dB 1 1.6 -
Power gain, maximum available1)
IC = 10 mA, VCE = 8 V, ZS = ZSopt, ZL = ZLopt, f = 900 MHz f = 1.8 GHz
Gma
|S21e|2
16 10.5
-
Transducer gain
IC = 10 mA, VCE = 8 V, ZS = ZL = 50 , f = 900 MHz f = 1.8 GHz
1G ma
= |S21 /S12| (k-(k2 -1)1/2 ) 3 Nov-30-2000
-
13 7.5
-
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