Moderate Power High fT NPN Silicon Transistor
MP4T85639
Typical Scattering Parameters in the SOT-143 Package
VCE = 3 Volts, IC = 20 mA
Frequency
S11E
(MHz)
Mag.
Angle
200
0.471
-118.4
400
0.457
-152.6
600
0.458
-168.7
800
0.461
-178.9
1000
0.466
173.0
1200
0.471
166.0
1400
0.476
160.2
1600
0.480
155.0
1800
0.485
150.1
2000
0.491
144.8
2200
0.488
141.5
2400
0.496
137.1
2600
0.499
132.9
2800
0.510
129.4
3000
0.513
125.8
S21E
Mag.
Angle
19.14
115.5
10.70
97.7
7.33
88.2
5.57
81.4
4.48
75.7
3.76
70.3
3.24
65.5
2.86
61.1
2.56
56.7
2.32
52.3
2.12
48.8
1.97
44.7
1.83
40.8
1.71
37.3
1.62
34.0
Mag.
0.034
0.048
0.064
0.079
0.095
0.110
0.128
0.144
0.158
0.172
0.190
0.207
0.220
0.233
0.249
S12E
Angle
56.7
57.2
60.7
61.1
62.3
60.7
60.1
59.0
56.9
56.3
55.7
53.2
50.6
48.8
46.8
MP4T856 Series
S22E
Mag
Angle
0.492
-54.8
0.297
-66.2
0.219
-71.4
0.183
-75.3
0.168
-80.1
0.158
-85.0
0.156
-89.3
0.154
-94.0
0.157
-98.3
0.157
-101.4
0.167
-104.8
0.172
-108.7
0.180
-111.6
0.183
-115.9
0.184
-118.5
MP4T85639
Typical Scattering Parameters in the SOT-143 Package
VCE = 3 Volts, IC = 40 mA
Frequency
S11E
(MHz)
Mag.
Angle
200
0.447
-140.1
400
0.460
-165.5
600
0.467
-177.5
800
0.473
174.3
1000
0.478
167.7
1200
0.484
161.8
1400
0.490
156.6
1600
0.492
151.9
1800
0.499
147.4
2000
0.504
142.4
2200
0.501
139.3
2400
0.509
135.3
2600
0.511
131.0
2800
0.521
127.3
3000
0.527
124.2
S21E
Mag.
Angle
20.11
108.5
10.77
93.6
7.30
85.3
5.53
79.2
4.44
73.9
3.72
68.8
3.21
64.1
2.83
59.8
2.53
55.6
2.30
51.3
2.10
47.9
1.94
43.8
1.81
39.9
1.70
36.4
1.60
33.1
Mag.
0.028
0.043
0.062
0.079
0.096
0.112
0.128
0.148
0.163
0.177
0.195
0.210
0.225
0.238
0.255
S12E
Angle
59.4
65.0
67.1
66.6
66.4
64.5
63.7
61.9
59.3
57.6
57.0
54.7
51.5
49.9
47.5
S22E
Mag
Angle
0.376
-60.8
0.221
-69.4
0.166
-74.5
0.141
-78.2
0.130
-84.2
0.127
-89.1
0.127
-93.9
0.128
-98.7
0.134
-103.4
0.138
-106.8
0.151
-109.4
0.151
-113.5
0.160
-115.6
0.164
-119.3
0.170
-123.7
Specification Subject to Change Without Notice
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