BFR90
Vishay Telefunken
Silicon NPN Planar RF Transistor
Electrostatic sensitive device.
Observe precautions for handling.
Applications
RF amplifier up to GHz range specially for wide band
antenna amplifier.
Features
D
High power gain
D
Low noise figure
D
High transition frequency
3
2
94 9308
13623
1
BFR90 Marking: BFR90
Plastic case (TO 50)
1 = Collector, 2 = Emitter, 3 = Base
Absolute Maximum Ratings
T
amb
= 25
_
C, unless otherwise specified
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Total power dissipation
Junction temperature
Storage temperature range
Test Conditions
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
tot
T
j
T
stg
Value
20
15
2
30
300
150
–65 to +150
Unit
V
V
V
mA
mW
°
C
°
C
T
amb
≤
60
°
C
Maximum Thermal Resistance
T
amb
= 25
_
C, unless otherwise specified
Parameter
Test Conditions
Junction ambient on glass fibre printed board (40 x 25 x 1.5) mm
3
plated with 35
m
m Cu
Symbol
R
thJA
Value
300
Unit
K/W
Document Number 85028
Rev. 3, 20-Jan-99
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BFR90
Vishay Telefunken
Electrical DC Characteristics
T
amb
= 25
_
C, unless otherwise specified
Parameter
Collector cut-off current
Collector-base cut-off current
Emitter-base cut-off current
Collector-emitter breakdown voltage
DC forward current transfer ratio
Test Conditions
V
CE
= 20 V, V
BE
= 0
V
CB
= 20 V, I
E
= 0
V
EB
= 2 V, I
C
= 0
I
C
= 1 mA, I
B
= 0
V
CE
= 10 V, I
C
= 14 mA
Symbol Min Typ Max Unit
I
CES
100
m
A
I
CBO
100 nA
I
EBO
10
m
A
V
(BR)CEO
15
V
h
FE
25 50 150
Electrical AC Characteristics
T
amb
= 25
_
C, unless otherwise specified
Parameter
Transition frequency
Collector-base capacitance
Collector-emitter
capacitance
Emitter-base capacitance
Noise figure
Power gain
Test Conditions
V
CE
= 10 V, I
C
= 14 mA, f = 500 MHz
V
CB
= 10 V, f = 1 MHz
V
CE
= 10 V, f = 1 MHz
V
EB
= 0.5 V, f = 1 MHz
V
CE
= 10 V, I
C
= 2 mA, f = 500 MHz,
Z
S
= 50
W
V
CE
= 10 V, I
C
= 14 mA, Z
L
= Z
Lopt
,
f = 500 MHz
V
CE
= 10 V, I
C
= 14 mA, Z
L
= Z
Lopt
,
f = 800 MHz
V
CE
= 10 V, I
C
= 14 mA, d
IM
= 60 dB,
f
1
= 806 MHz, f
2
= 810 MHz,
Z
S
= Z
L
= 50
W
V
CE
= 10 V, I
C
= 14 mA, f = 800 MHz
Symbol
f
T
C
cb
C
ce
C
eb
F
G
pe
G
pe
V
1
= V
2
IP
3
Min
Typ
5
0.35
0.3
1.3
2.2
19.5
14
100
Max
Unit
GHz
pF
pF
pF
dB
dB
dB
mV
Linear output voltage – two
tone intermodulation test
Third order intercept point
23
dBm
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Document Number 85028
Rev. 3, 20-Jan-99
BFR90
Vishay Telefunken
Common Emitter S–Parameters
Z
0
= 50
W,
T
amb
= 25
_
C, unless otherwise specified
S11
V
CE
/V
I
C
/mA
f/MHz
100
300
500
800
1000
1200
1500
1800
2000
100
300
500
800
1000
1200
1500
1800
2000
100
300
500
800
1000
1200
1500
1800
2000
LIN
MAG
0.82
0.59
0.41
0.30
0.29
0.30
0.35
0.41
0.45
0.65
0.35
0.22
0.16
0.18
0.21
0.27
0.33
0.37
0.45
0.19
0.12
0.12
0.15
0.18
0.24
0.30
0.34
ANG
deg
–27.8
–72.7
–107.7
–154.9
176.7
153.2
126.8
108.7
99.1
–39.9
–91.8
–130.4
177.4
150.9
131.6
112.7
100.1
92.8
–54.6
–112.5
–156.4
148.7
129.3
117.0
104.4
94.9
89.5
LIN
MAG
6.31
4.66
3.49
2.474
2.08
1.80
1.50
1.32
1.22
12.44
7.26
4.85
3.22
2.66
2.28
1.89
1.65
1.53
18.55
8.73
5.54
3.60
2.96
2.51
2.08
1.82
1.67
S21
ANG
deg
155.8
121.6
99.9
78.0
66.9
56.4
43.1
31.2
24.4
145.2
108.3
90.2
72.6
63.4
54.4
42.8
31.8
25.2
133.7
99.4
84.5
69.5
61.3
53.0
42.1
31.8
25.4
LIN
MAG
0.03
0.06
0.08
0.10
0.11
0.12
0.15
0.18
0.20
0.02
0.05
0.07
0.10
0.12
0.14
0.18
0.21
0.24
0.02
0.04
0.07
0.11
0.13
0.16
0.19
0.23
0.25
S12
ANG
deg
73.8
54.0
46.7
44.9
46.2
47.6
48.9
49.2
48.0
70.3
58.7
58.5
58.2
57.3
55.5
51.9
48.2
45.0
70.4
66.6
66.8
64.0
61.4
58.0
52.8
47.7
43.7
LIN
MAG
0.95
0.80
0.70
0.63
0.60
0.57
0.54
0.50
0.48
0.88
0.65
0.57
0.52
0.50
0.47
0.44
0.40
0.38
0.79
0.55
0.49
0.46
0.44
0.42
0.38
0.35
0.32
S22
ANG
deg
–10.2
–22.1
–27.0
–32.3
–36.3
–40.6
–47.6
–55.5
–61.1
–16.2
–25.4
–26.9
–30.6
–34.5
–38.6
–45.2
–52.1
–56.9
–21.5
–24.7
–24.9
–28.7
–32.8
–37.1
–43.5
–49.9
–54.5
2
5
5
10
Document Number 85028
Rev. 3, 20-Jan-99
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BFR90
Vishay Telefunken
S11
V
CE
/V
I
C
/mA
f/MHz
100
300
500
800
1000
1200
1500
1800
2000
100
300
500
800
1000
1200
1500
1800
2000
LIN
MAG
0.35
0.14
0.10
0.12
0.15
0.18
0.24
0.30
0.33
0.26
0.11
0.09
0.13
0.15
0.18
0.24
0.30
0.33
ANG
deg
–62.6
–124.4
–173.0
138.3
123.3
113.2
101.6
93.2
88.4
–71.1
–140.3
169.9
131.1
117.8
109.5
99.5
93.1
87.9
LIN
MAG
20.95
9.11
5.71
3.70
3.03
2.58
2.13
1.85
1.72
22.95
9.39
5.84
3.75
3.07
2.62
2.16
1.87
1.73
S21
ANG
deg
128.4
96.3
82.7
68.2
60.4
52.3
41.7
31.4
25.0
123.4
93.8
81.1
67.3
59.7
51.7
41.1
30.9
24.8
LIN
MAG
0.02
0.04
0.07
0.11
0.13
0.16
0.20
0.23
0.26
0.01
0.04
0.07
0.11
0.14
0.16
0.20
0.24
0.26
S12
ANG
deg
71.4
70.1
69.3
65.5
62.5
58.7
52.8
47.4
43.3
72.4
73.2
71.5
66.9
63.3
59.3
53.3
47.7
43.4
LIN
MAG
0.73
0.51
0.47
0.44
0.42
0.40
0.36
0.33
0.30
0.68
0.49
0.46
0.43
0.42
0.39
0.36
0.32
0.30
S22
ANG
deg
–23.2
–23.7
–23.7
–27.7
–32.1
–36.5
–42.9
–49.2
–53.6
–23.9
–22.0
–22.0
–26.7
–31.0
–35.4
–41.8
–48.1
–52.4
14
5
20
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Document Number 85028
Rev. 3, 20-Jan-99
BFR90
Vishay Telefunken
S11
V
CE
/V
I
C
/mA
f/MHz
100
300
500
800
1000
1200
1500
1800
2000
100
300
500
800
1000
1200
1500
1800
2000
100
300
500
800
1000
1200
1500
1800
2000
100
300
500
800
1000
1200
1500
1800
2000
LIN
MAG
0.84
0.61
0.42
0.28
0.26
0.27
0.32
0.39
0.43
0.67
0.36
0.21
0.13
0.14
0.17
0.23
0.29
0.33
0.49
0.19
0.09
0.07
0.10
0.14
0.19
0.26
0.29
0.39
0.13
0.06
0.07
0.10
0.13
0.19
0.24
0.29
ANG
deg
–25.7
–68.0
–101.2
–147.9
–177.6
156.2
127.9
109.1
98.7
–36.6
–83.1
–116.9
–173.7
153.1
130.1
110.4
97.7
91.2
–47.6
–93.8
–133.4
151.2
124.5
109.4
98.6
90.8
86.0
–53.4
–98.6
–146.3
131.1
113.4
103.2
94.2
89.1
85.3
LIN
MAG
6.21
4.69
3.57
2.53
2.14
1.84
1.54
1.34
1.24
12.62
7.54
5.07
3.37
2.78
2.37
1.97
1.71
1.58
18.87
9.12
5.82
3.77
3.09
2.63
2.17
1.89
1.75
21.53
9.58
6.02
3.89
3.18
2.70
2.23
1.93
1.79
S21
ANG
deg
157.1
123.8
102.1
80.4
69.5
59.0
46.0
34.2
27.3
146.6
110.1
91.8
74.5
65.5
56.7
45.3
34.6
28.0
135.7
101.1
86.1
71.2
63.3
55.2
44.7
34.6
28.3
130.3
97.8
84.0
70.0
62.4
54.7
44.3
34.2
28.13
LIN
MAG
0.02
0.05
0.07
0.08
0.09
0.11
0.13
0.15
0.18
0.02
0.04
0.06
0.08
0.10
0.12
0.15
0.18
0.20
0.02
0.04
0.06
0.09
0.11
0.13
0.16
0.20
0.22
0.01
0.04
0.06
0.09
0.11
0.14
0.17
0.20
0.22
S12
ANG
deg
74.8
56.2
49.3
48.1
50.0
51.9
54.1
55.0
54.2
71.9
60.7
60.6
61.0
60.5
59.0
56.1
53.1
50.3
71.4
68.0
68.4
66.5
64.3
61.4
56.9
52.4
48.9
72.2
71.0
70.7
67.8
65.3
62.0
57.0
52.3
48.6
LIN
MAG
0.96
0.84
0.75
0.69
0.67
0.65
0.62
0.59
0.57
0.91
0.72
0.65
0.61
0.59
0.57
0.54
0.51
0.49
0.83
0.63
0.58
0.56
0.54
0.52
0.49
0.46
0.44
0.79
0.60
0.57
0.55
0.53
0.51
0.48
0.45
0.43
S22
ANG
deg
–8.3
–18.4
–22.7
–27.8
–31.6
–35.6
–41.9
–48.8
–53.8
–13.0
–20.7
–22.2
–26.3
–29.8
–33.6
–39.7
–45.7
–50.0
–16.8
–19.6
–20.2
–24.4
–28.2
–32.2
–38.0
–44.1
–48.0
–17.8
–18.5
–19.2
–23.7
–27.4
–31.5
–37.4
–43.3
–47.3
2
5
10
10
14
Document Number 85028
Rev. 3, 20-Jan-99
www.vishay.de
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FaxBack +1-408-970-5600
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