AT-42085G Avago Technologies US Inc., AT-42085G Datasheet - Page 4

• Manufacturer Part Number: AT-42085G
• Description: RF TRANSISTOR, NPN, 12V, 8GHZ 85 PLASTIC
• Manufacturer: Avago Technologies US Inc.

Specifications of AT-42085G

• Transistor Polarity: NPN
• Collector Emitter Voltage V(br)ceo: 12V
• Transition Frequency Typ Ft: 8GHz
• Power Dissipation Pd: 500mW
• Dc Collector Current: 80mA
• Dc Current Gain Hfe: 150
• Transistor Type: NPN
• Voltage - Collector Emitter Breakdown (max): 12V
• Frequency - Transition: 8GHz
• Noise Figure (db Typ @ F): 2dB ~ 3.5dB @ 2GHz ~ 4GHz
• Gain: 9.5dB ~ 13.5dB
• Power - Max: 500mW
• Dc Current Gain (hfe) (min) @ Ic, Vce: 30 @ 35mA, 8V
• Current - Collector (ic) (max): 80mA
• Mounting Type: Surface Mount
• Package / Case: 4-SMD (85 Plastic)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 516-1859; AT-42085G

AT-42085 Typical Scattering Parameters,
Common Emitter, ZO = 50 Ω, TA = 5°C, VCE = 8 V, IC = 10 mA
AT-42085 Typical Scattering Parameters,
Common Emitter, ZO = 50 Ω, TA = 5°C, VCE = 8 V, IC = 35 mA
A model for this device is available in the DEVICE MODELS section.
AT-42085 Noise Parameters:
4
Freq.
Freq.
GHz
GHz
4.0
4.5
5.0
5.5
6.0
4.0
4.5
5.0
5.5
6.0
0.1
0.5
1.0
1.5
.0
.5
3.0
3.5
0.1
0.5
1.0
1.5
.0
.5
3.0
3.5
Freq.
GHz
0.1
0.5
1.0
.0
4.0
Mag.
Mag.
.7
.66
.65
.65
.65
.66
.68
.68
.69
.69
.69
.71
.75
.54
.61
.61
.6
.63
.64
.66
.67
.68
.68
.68
.71
.74
S
S
11
11
NF
dB
1.1
1.
1.3
.0
3.5
Ang.
Ang.
-139
-168
-163
O
175
163
157
149
141
133
15
114
103
178
167
156
15
146
139
131
13
114
103
-50
-90
91
93
V
CE
= 8 V, I
C
8.5
1.0
15.5
1.
33.1
.6
16.8
13.4
10.9
9.7
8.0
6.3
5.1
3.9
3.0
.
1.4
0.6
9.
7.6
6.3
5.
4.
3.4
.5
1.7
dB
dB
= 10 mA
Mag
.05
.06
.10
.4
.46
Γ
opt
Mag.
6.5
11.3
Mag.
45.38
13.45
5.96
4.06
3.06
.51
.07
1.79
1.57
1.41
1.8
1.17
1.07
6.90
4.67
3.5
.89
.39
.07
1.81
1.6
1.48
1.34
1.1
S
S
21
21
-179
-18
Ang
131
16
77
Ang.
Ang.
15
103
137
1
1
19
10
84
71
60
55
46
38
9
-6
95
79
68
59
54
45
37
8
-8
3
1
R
0.13
0.13
0.1
0.11
0.5
-1.4
-19.7
-18.5
-17.1
-15.9
-15.1
-1.
-19.8
-18.6
-17.
-16.4
-15.3
-14.5
N
-37.0
-9.
-8.6
-7.0
-5.3
-4.0
-.8
-40.1
-3.8
-9.5
-6.4
-3.9
-.5
dB
dB
/50
Mag.
Mag.
.035
.037
.045
.054
.063
.07
.085
.104
.119
.139
.161
.177
.010
.03
.034
.048
.064
.075
.088
.10
.117
.138
.15
.171
.188
.014
S
S
12
12
Ang.
Ang.
73
36
39
46
51
60
65
64
64
63
58
55
49
66
5
61
68
66
68
69
67
65
60
56
50
46
Mag.
Mag.
.43
.4
.4
.41
.43
.45
.46
.47
.44
.40
.34
.3
.31
.31
.30
.31
.33
.35
.35
.34
.31
.90
.53
.45
.76
.38
S
S
22
22
Ang.
Ang.
-16
-3
-33
-36
-41
-4
-48
-55
-61
-66
-71
-76
-85
-6
-30
-8
-31
-36
-40
-48
-58
-67
-73
-79
-85
-96