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TOSHIBA Transistor Silicon NPN Epitaxial Planar Type
2SC5091
2SC5091
VHF~UHF Band Low Noise Amplifier Applications
Unit: mm
· Low noise figure, high gain.
· NF = 1.1dB, |S21e|2 = 13dB (f = 1 GHz)
Maximum Ratings (Ta = 25°C)
Characteristics
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Base current
Collector current
Collector power dissipation
Junction temperature
Storage temperature range
Symbol
VCBO
VCEO
VEBO
IB
IC
PC
Tj
Tstg
Rating
20
10
1.5
20
40
100
125
-55~125
Unit
V
V
V
mA
mA
mW
°C
°C
Microwave Characteristics (Ta = 25°C)
JEDEC
JEITA
TOSHIBA
2-2H1A
Weight: 2.4 mg (typ.)
Characteristics
Transition frequency
Insertion gain
Noise figure
Symbol
Test Condition
fT
ïS21eï2 (1)
ïS21eï2 (2)
NF (1)
NF (2)
VCE = 8 V, IC = 20 mA
VCE = 8 V, IC = 20 mA, f = 1 GHz
VCE = 8 V, IC = 20 mA, f = 2 GHz
VCE = 8 V, IC = 5 mA, f = 1 GHz
VCE = 8 V, IC = 5 mA, f = 2 GHz
Min Typ. Max Unit
7 10 ¾ GHz
10 13 ¾
dB
¾7¾
¾ 1.1 2.5
dB
¾ 1.7 ¾
Electrical Characteristics (Ta = 25°C)
Characteristics
Symbol
Test Condition
Min Typ. Max Unit
Collector cut-off current
Emitter cut-off current
DC current gain
Output capacitance
Reverse transfer capacitance
ICBO
VCB = 10 V, IE = 0
IEBO
VEB = 1 V, IC = 0
hFE
(Note 1)
VCE = 8 V, IC = 20 mA
Cob VCB = 10 V, IE = 0, f = 1 MHz (Note 2)
Cre
¾
¾
50
¾
¾
¾ 1 mA
¾ 1 mA
¾ 160
0.7 ¾ pF
0.5 0.95 pF
Note 1: hFE classification R: 50~100, O: 80~160
Note 2: Cre is measured by 3 terminal method with capacitance bridge.
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Marking
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2SC5091
S-Parameter ZO = 50 W, Ta = 25°C
VCE = 8 V, IC = 5 mA
Frequency
S11
(MHz)
Mag.
Ang.
200
0.683
-50.1
400
0.462
-86.9
600
0.343
-113.1
800
0.282
-133.6
1000
0.249
-151.0
1200
0.236
-166.6
1400
0.233
179.7
1600
0.234
168.3
1800
0.238
158.6
2000
0.251
149.6
S21
Mag.
Ang.
10.186
138.3
7.472
114.6
5.618
100.9
4.407
91.7
3.663
84.7
3.128
78.7
2.759
73.1
2.457
68.2
2.224
63.4
2.038
59.4
VCE = 8 V, IC = 20 mA
Frequency
S11
(MHz)
Mag.
Ang.
200
0.319
-91.9
400
0.213
-134.2
600
0.185
-160.0
800
0.176
-178.2
1000
0.174
167.8
1200
0.178
156.8
1400
0.186
147.5
1600
0.194
139.7
1800
0.199
133.7
2000
0.215
127.8
S21
Mag.
Ang.
18.338
116.7
10.303
99.2
7.111
90.3
5.415
84.3
4.400
79.2
3.712
74.8
3.236
70.3
2.874
66.3
2.583
62.6
2.369
58.8
S12
Mag.
0.049
0.071
0.086
0.101
0.115
0.131
0.150
0.168
0.185
0.203
Ang.
62.0
54.3
53.8
55.3
57.2
58.9
60.1
60.0
60.0
60.4
S12
Mag.
0.033
0.054
0.076
0.098
0.120
0.143
0.168
0.190
0.211
0.232
Ang.
65.3
68.9
70.8
71.2
71.1
70.3
68.7
66.6
64.9
63.5
S22
Mag.
Ang.
0.773
-30.0
0.556
-39.6
0.448
-41.7
0.392
-41.6
0.360
-41.7
0.339
-41.7
0.330
-42.8
0.319
-45.0
0.311
-47.9
0.302
-50.2
S22
Mag.
Ang.
0.494
-43.5
0.312
-42.4
0.258
-37.6
0.236
-34.3
0.228
-32.0
0.226
-31.5
0.226
-32.8
0.223
-35.9
0.216
-39.0
0.211
-41.9
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