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BFR91A_08 Datasheet, PDF (2/8 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor
BFR91A
Vishay Semiconductors
Electrical DC Characteristics
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Collector emitter cut-off current VCE = 20 V, VBE = 0
Collector base cut-off current VCB = 20 V, IE = 0
Emitter base cut-off current
VEB = 2 V, IC = 0
Collector emitter breakdown
voltage
IC = 1 mA, IB = 0
Collector emitter saturation
voltage
IC = 50 mA, IB = 5 mA
DC forward current transfer ratio VCE = 5 V, IC = 30 mA
Symbol
Min
Typ.
Max
Unit
ICES
100
μA
ICBO
100
nA
IEBO
10
μA
V(BR)CEO
12
V
VCEsat
0.1
0.4
V
hFE
40
90
150
Electrical AC Characteristics
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Symbol
Min
Typ.
Max
Unit
Transition frequency
VCE = 5 V, IC = 30 mA,
f = 500 MHz
fT
6
GHz
Collector base capacitance
VCB = 10 V, f = 1 MHz
Ccb
0.4
pF
Collector emitter capacitance VCB = 5 V, f = 1 MHz
Cce
0.3
pF
Emitter base capacitance
VEB = 0.5 V, f = 1 MHz
Ceb
1.5
pF
Noise figure
VCE = 8 V, ZS = 50 Ω,
f = 800 MHz, IC = 5 mA
F
VCE = 8 V, ZS = 50 Ω,
f = 800 MHz, IC = 30 mA
F
1.6
dB
2.3
dB
VCE = 8 V, IC = 30 mA,
Power gain
ZS = 50 Ω, ZL = ZLopt,
Gpe
14
dB
f = 800 MHz
Linear output voltage - two tone
intermodulation test
VCE = 8 V, IC = 30 mA,
dIM = 60 dB, f1 = 806 MHz,
V1 = V2
280
mV
f2 = 810 MH, ZS = ZL = 50 Ω
Third order intercept point
VCE = 8 V, IC = 30 mA,
f = 800 MHz
IP3
32
dBm
Common Emitter S-Parameters
Z0 = 50 Ω, Tamb = 25 °C, unless otherwise specified
VCE/V
IC/mA
f/MHz
S11
S21
LIN
MAG
ANG
LIN
MAG
ANG
deg
deg
8
2
100
0.92
- 22.1
6.38
162.8
300
0.78
- 61.3
5.42
134.7
500
0.64
- 92.7
4.38
114.3
800
0.51
- 128.0
3.19
92.9
1000
0.45
- 146.3
2.65
82.3
1200
0.41
- 161.4
2.27
73.8
1500
0.37
177.9
1.85
63.0
1800
0.34
159.7
1.58
53.4
2000
0.32
149.7
1.44
48.5
8
5
100
0.79
- 31.8
13.51
153.5
S12
LIN
MAG
ANG
deg
0.02
78.4
0.05
61.5
0.07
52.8
0.09
49.3
0.10
50.4
0.11
53.1
0.12
57.8
0.14
61.8
0.16
63.8
0.02
75.1
S22
LIN
MAG
ANG
deg
0.9
- 8.1
0.88
- 20.8
0.79
- 28.2
0.73
- 35.9
0.71
- 40.6
0.70
- 45.1
0.71
- 52.3
0.73
- 60.0
0.74
- 64.9
0.92
- 13.4
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For technical support, please contact: RF-Transistor@vishay.com
Document Number 85031
Rev. 1.6, 08-Sep-08