BFR90A
TELEFUNKEN Semiconductors
Rev. A1, 17-Apr-96
1 (6)
Silicon NPN Planar RF Transistor
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
1
3
2
94 9308
BFR90A Marking: BFR90A
Plastic case (TO 50)
1= Collector; 2= Emitter; 3= Base
Absolute Maximum Ratings
Parameters
Symbol
Value
Unit
Collector-base voltage
V
CBO
20
V
Collector-emitter voltage
V
CEO
15
V
Emitter-base voltage
V
EBO
2
V
Collector current
I
C
30
mA
Total power dissipation
T
amb
60
C
P
tot
300
mW
Junction temperature
T
j
150
C
Storage temperature range
T
stg
65 to +150
C
Maximum Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient on glass fibre printed board
(40 x 25 x 1.5) mm
3
plated with 35
mm Cu
R
thJA
300
K/W
BFR90A
TELEFUNKEN Semiconductors
Rev. A1, 17-Apr-96
2 (6)
Electrical DC Characteristics
T
j
= 25
C, unless otherwise specified
Parameters / Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Collector-emitter cut-off current
V
CE
= 20 V, V
BE
= 0
I
CES
100
mA
Collector-base cut-off current
V
CB
= 15 V, I
E
= 0
I
CBO
100
nA
Emitter-base cut-off current
V
EB
= 2 V, I
C
= 0
I
EBO
10
mA
Collector-emitter breakdown voltage
I
C
= 1 mA, I
B
= 0
V
(BR)CEO
15
V
DC forward current transfer ratio
V
CE
= 10 V, I
C
= 14 mA
h
FE
50
100
150
Electrical AC Characteristics
T
amb
= 25
C
Parameters / Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Transition frequency
V
CE
= 10 V, I
C
= 14 mA, f = 500 MHz
f
T
6
GHz
Collector-emitter capacitance
V
CE
= 10 V, f = 1 MHz
C
ce
0.25
pF
Collector-base capacitance
V
CB
= 10 V, f = 1 MHz
C
cb
0.3
pF
Emitter-base capacitance
V
EB
= 0.5 V, f = 1 MHz
C
eb
0.9
pF
Noise figure
V
CE
= 10 V, I
C
= 2 mA, f = 800 MHz, Z
S
= 50
W
F
1.8
dB
Power gain
V
CE
= 10 V, I
C
= 14 mA, Z
L
= Z
Lopt
, f = 800 MHz
G
pe
16
dB
Linear output voltage two tone intermodulation test
V
CE
= 10 V, I
C
= 14 mA, d
IM
= 60 dB,
Z
S
= Z
L
= 50
W, f
1
= 806 MHz, f
2
= 810 MHz
V
1
= V
2
120
mV
Third order intercept point
V
CE
= 10 V, I
C
= 14 mA, f = 800 MHz
IP
3
24
dBm
BFR90A
TELEFUNKEN Semiconductors
Rev. A1, 17-Apr-96
3 (6)
Common Emitter S-Parameters
Z
0
= 50
W
S
11
S
21
S
12
S
22
V
CE
/V
I
C
/mA
f/MHz
LIN
MAG
ANG
LIN
MAG
ANG
LIN
MAG
ANG
LIN
MAG
ANG
deg
deg
deg
deg
2
100
300
500
800
1000
1200
1500
1800
2000
0.90
0.80
0.67
0.52
0.45
0.40
0.34
0.30
0.28
17.7
50.4
78.1
111.2
128.8
144.1
164.2
176.6
165.9
6.25
5.51
4.66
3.56
2.99
2.58
2.11
1.80
1.64
165.4
140.9
121.6
99.9
89.0
80.3
69.3
59.3
54.2
0.02
0.05
0.07
0.08
0.09
0.10
0.11
0.12
0.13
81.1
65.5
56.7
51.2
51.0
52.1
54.6
57.8
59.4
0.98
0.91
0.84
0.77
0.75
0.74
0.74
0.75
0.76
6.8
18.2
25.8
33.8
38.4
42.7
49.4
56.3
61.0
5
100
300
500
800
1000
1200
1500
1800
2000
0.77
0.56
0.41
0.30
0.26
0.24
0.21
0.19
0.18
27.0
69.4
97.4
126.9
142.7
155.8
174.3
167.7
158.7
13.24
9.72
7.01
4.76
3.89
3.29
2.67
2.27
2.06
156.9
125.0
106.7
89.9
81.8
75.1
66.5
58.1
53.8
0.02
0.04
0.05
0.07
0.08
0.10
0.12
0.14
0.16
76.2
63.9
61.8
63.5
64.6
65.7
66.2
66.0
65.5
0.95
0.79
0.70
0.65
0.64
0.63
0.64
0.66
0.67
10.9
23.5
28.5
34.1
38.3
42.5
49.3
56.2
60.6
5
10
100
300
500
800
1000
1200
1500
1800
2000
0.61
0.36
0.26
0.20
0.18
0.17
0.16
0.14
0.14
38.3
85.3
111.7
139.9
154.3
166.5
177.7
160.4
153.6
20.89
12.29
8.10
5.28
4.28
3.61
2.91
2.48
2.26
147.5
113.4
98.2
84.9
78.0
72.3
64.7
57.1
53.1
0.02
0.03
0.05
0.07
0.08
0.10
0.12
0.15
0.17
74.8
67.7
69.4
71.4
71.8
71.6
70.3
68.7
67.5
0.89
0.68
0.61
0.58
0.58
0.58
0.59
0.61
0.62
15.0
24.6
27.5
32.8
37.0
41.5
48.7
55.7
60.4
14
100
300
500
800
1000
1200
1500
1800
2000
0.51
0.28
0.20
0.17
0.15
0.15
0.14
0.13
0.13
44.8
93.9
120.2
147.3
160.1
172.1
172.8
155.7
147.1
24.51
13.01
8.36
5.40
4.36
3.69
2.98
2.52
2.29
142.5
108.9
95.3
83.0
76.6
71.3
63.9
56.5
52.8
0.01
0.03
0.05
0.07
0.08
0.10
0.13
0.15
0.17
74.5
71.0
72.9
74.0
74.0
73.4
71.7
69.8
68.3
0.86
0.65
0.59
0.57
0.57
0.57
0.58
0.60
0.61
16.7
24.1
26.2
31.8
36.2
40.7
48.0
55.1
59.8
20
100
300
500
800
1000
1200
1500
1800
2000
0.41
0.22
0.17
0.15
0.14
0.14
0.14
0.14
0.13
53.2
105.4
131.2
156.4
170.4
177.4
164.4
147.5
141.0
27.71
13.38
8.45
5.41
4.36
3.68
2.96
2.51
2.28
137.2
104.9
92.6
81.3
75.2
69.8
62.5
55.4
51.5
0.01
0.03
0.04
0.07
0.09
0.10
0.13
0.15
0.17
74.0
74.1
75.6
76.1
75.4
74.5
72.5
70.4
68.8
0.82
0.62
0.58
0.56
0.56
0.57
0.58
0.59
0.60
18.0
22.9
24.8
30.7
35.3
40.0
47.3
54.5
59.3
BFR90A
TELEFUNKEN Semiconductors
Rev. A1, 17-Apr-96
4 (6)
Common Emitter S-Parameters
Z
0
= 50
W
S
11
S
21
S
12
S
22
V
CE
/V
I
C
/mA
f/MHz
LIN
MAG
ANG
LIN
MAG
ANG
LIN
MAG
ANG
LIN
MAG
ANG
deg
deg
deg
deg
5
30
100
300
500
800
1000
1200
1500
1800
2000
0.30
0.19
0.16
0.16
0.16
0.16
0.16
0.16
0.16
67.7
125.3
149.8
171.3
177.6
167.5
156.2
139.1
133.3
29.72
13.17
8.19
5.23
4.21
3.54
2.85
2.41
2.19
131.4
101.2
90.0
79.2
73.3
68.2
60.9
53.8
49.9
0.01
0.03
0.04
0.07
0.08
0.10
0.126
0.15
0.17
74.3
76.3
78.0
77.8
77.1
76.0
73.9
71.7
70.0
0.78
0.61
0.58
0.57
0.57
0.58
0.59
0.61
0.62
18.4
20.7
22.8
29.0
33.9
38.6
46.1
53.5
58.3
2
100
300
500
800
1000
1200
1500
1800
2000
0.92
0.87
0.69
0.53
0.45
0.39
0.33
0.29
0.27
16.7
47.6
74.0
106.0
122.8
138.0
158.2
177.6
172.2
6.23
5.55
4.75
3.67
3.10
2.67
2.19
1.87
1.70
166.0
142.1
123.3
101.9
90.9
82.3
71.2
61.2
56.1
0.01
0.03
0.05
0.06
0.07
0.08
0.09
0.10
0.11
80.6
67.1
58.8
54.1
54.4
56.0
59.8
63.6
65.5
0.98
0.93
0.87
0.82
0.80
0.79
0.80
0.81
0.83
5.7
15.5
22.2
29.5
33.9
38.0
44.3
50.8
55.3
10
5
100
300
500
800
1000
1200
1500
1800
2000
0.80
0.58
0.43
0.30
0.26
0.22
0.19
0.17
0.15
24.7
63.9
89.9
117.6
132.1
145.9
163.0
177.9
168.8
13.17
9.89
7.21
4.94
4.04
3.42
2.77
2.36
2.15
158.0
126.8
108.5
91.6
83.4
76.8
68.0
59.8
55.6
0.01
0.03
0.04
0.06
0.07
0.08
0.10
0.12
0.13
77.5
65.7
63.5
65.9
67.5
69.1
70.2
70.7
70.4
0.96
0.83
0.76
0.72
0.71
0.71
0.72
0.79
0.75
8.8
19.3
23.7
29.2
33.2
37.2
43.6
50.3
54.7
10
10
100
300
500
800
1000
1200
1500
1800
2000
0.65
0.39
0.27
0.19
0.17
0.15
0.13
0.18
0.11
34.2
77.0
99.8
124.7
138.1
151.4
167.7
174.5
165.6
20.73
12.60
8.38
5.50
4.45
3.76
3.04
2.58
2.35
149.1
115.1
99.9
86.3
79.4
74.0
66.4
58.8
54.8
0.01
0.03
0.04
0.06
0.07
0.08
0.11
0.13
0.14
74.8
68.7
70.7
73.2
74.3
74.2
74.1
73.1
72.3
0.92
0.75
0.69
0.67
0.67
0.67
0.68
0.70
0.72
11.8
19.8
22.6
27.8
31.9
36.2
42.7
49.5
53.9
14
100
300
500
800
1000
1200
1500
1800
2000
0.56
0.31
0.21
0.16
0.14
0.13
0.12
0.11
0.11
39.9
83.1
104.9
129.3
142.2
155.9
170.8
169.7
162.3
24.49
13.40
8.66
5.62
4.55
3.83
3.10
2.63
2.39
144.2
110.5
96.8
84.4
78.0
72.7
65.4
58.1
54.3
0.01
0.03
0.04
0.06
0.07
0.08
0.10
0.13
0.14
74.3
71.4
74.1
76.0
76.3
76.1
75.3
74.0
73.0
0.89
0.72
0.67
0.66
0.66
0.66
0.68
0.70
0.71
13.1
19.3
21.6
26.9
31.0
35.5
42.2
49.1
53.5
BFR90A
TELEFUNKEN Semiconductors
Rev. A1, 17-Apr-96
5 (6)
Dimensions in mm
96 12244
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