BFQ81 Vishay, BFQ81 Datasheet - Page 5

• Manufacturer Part Number: BFQ81
• Description: Silicon Npn Planar Rf Transistor
• Manufacturer: Vishay

Document Number 85023
Rev. 1.5, 28-Apr-05
V
CE
10
10
10
/V
I
C
10
/mA
2
5
f/MHz
1000
1200
1500
1800
2000
2200
2500
2800
3000
1000
1200
1500
1800
2000
2200
2500
2800
3000
1000
1200
1500
1800
2000
2200
2500
2800
3000
300
500
800
100
300
500
800
100
300
500
800
100
0.245
0.211
0.203
0.204
0.209
0.228
0.249
0.266
0.283
0.313
0.344
0.381
0.897
0.732
0.589
0.465
0.430
0.403
0.396
0.398
0.411
0.426
0.454
0.480
0.507
0.774
0.515
0.379
0.298
0.278
0.269
0.275
0.288
0.306
0.322
0.349
0.377
0.408
0.625
MAG
LIN
deg
S11
-130.0
-156.3
-179.2
-122.9
-139.4
-155.1
-175.1
-110.1
-141.4
-156.2
-170.2
172.3
164.0
154.3
145.7
141.1
136.0
128.2
122.0
116.6
168.9
159.6
150.5
137.9
128.4
121.3
173.1
159.7
151.4
143.9
134.8
126.0
119.5
ANG
-22.3
-60.6
-89.4
-33.0
-80.6
-45.8
12.36
13.72
21.09
MAG
7.69
4.93
4.03
3.40
2.81
2.39
2.20
2.04
1.86
1.70
1.59
6.81
5.50
4.31
3.16
2.67
2.31
1.95
1.68
1.55
1.45
1.32
1.21
1.13
9.14
6.31
4.24
3.51
2.98
2.48
2.12
1.95
1.82
1.65
1.52
1.42
deg
LIN
S21
101.8
161.7
133.6
114.9
153.0
120.0
103.3
143.5
ANG
90.9
80.9
75.9
70.8
64.0
57.5
53.7
50.2
44.3
38.3
34.2
96.5
88.0
79.9
70.1
61.3
56.5
52.0
44.9
38.6
34.5
88.7
82.1
75.7
67.7
60.1
55.9
51.9
45.6
39.3
35.2
0.036
0.055
0.084
0.105
0.125
0.154
0.184
0.204
0.224
0.253
0.279
0.295
0.023
0.055
0.070
0.081
0.087
0.093
0.105
0.122
0.137
0.155
0.184
0.215
0.237
0.021
0.044
0.056
0.075
0.088
0.102
0.123
0.148
0.166
0.184
0.211
0.239
0.257
0.018
MAG
LIN
deg
S12
Vishay Semiconductors
70.16.
70.64
73.69
74.84
74.36
73.34
71.71
68.50
66.99
64.48
61.81
59.61
ANG
76.6
58.4
50.3
48.8
50.9
54.6
60.8
66.9
70.0
72.5
74.4
74.8
73.9
72.8
59.0
58.2
62.7
65.4
67.3
69.2
70.5
70.7
70.7
70.0
68.7
67.4
70.0
0.482
0.445
0.440
0.445
0.447
0.444
0.438
0.432
0.425
0.414
0.390
0.374
0.970
0.849
0.753
0.686
0.667
0.654
0.641
0.634
0.630
0.628
0.626
0.611
0.598
0.921
0.709
0.617
0.577
0.569
0.564
0.559
0.554
0.551
0.547
0.541
0.524
0.512
0.851
MAG
deg
LIN
BFQ81
www.vishay.com
S22
-20.7
-15.7
-13.9
-15.0
-17.0
-20.8
-24.8
-27.8
-30.7
-36.3
-41.5
-44.3
-16.7
-19.7
-21.4
-22.7
-24.2
-27.2
-30.8
-33.5
-36.6
-41.9
-47.7
-51.7
-12.4
-20.6
-19.9
-18.9
-19.5
-20.8
-23.8
-27.4
-30.0
-32.6
-37.9
-43.2
-46.5
-16.9
ANG
-7.4
5