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PDF 2SC4955-T2 Data sheet ( Hoja de datos )
| Número de pieza | 2SC4955-T2 | |
| Descripción | HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR MINI MOLD | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
SILICON TRANSISTOR
2SC4955
HIGH FREQUENCY LOW NOISE AMPLIFIER
NPN SILICON EPITAXIAL TRANSISTOR
MINI MOLD
FEATURES
• Low Noise, High Gain
• Low Voltage Operation
• Low Feedback Capacitance
Cre = 0.4 pF TYP.
ORDERING INFORMATION
PART
NUMBER
2SC4955-T1
2SC4955-T2
QUANTITY
3 Kpcs/Reel.
3 Kpcs/Reel.
PACKING STYLE
Embossed tape 8 mm wide.
Pin3 (Collector) face to perforation
side of the tape.
Embossed tape 8 mm wide.
Pin1 (Emitter), Pin2 (Base) face to
perforation side of the tape.
* Please contact with responsible NEC person, if you evaluation
sample. Unit sample quantity shall be 50 pcs.
(Part No.: 2SC4955)
ABSOLUTE MAXIMUM RATINGS (TA = 25 ˚C)
Collector to Base Voltage
VCBO
9
Collector to Emitter Voltage
VCEO
6
Emitter to Base Voltage
VEBO
2
Collector Current
IC 30
Total Power Dissipation
PT 180
Junction Temperature
Tj 150
Storage Temperature
Tstg –64 to +150
V
V
V
mA
mW
˚C
˚C
PACKAGE DIMENSIONS
in millimeters
2.8±0.2
1.5
0.65
+0.1
–0.15
2
3
1
Marking
PIN CONNECTIONS
1. Emitter
2. Base
3. Collector
Document No. P10377EJ2V0DS00 (2nd edition)
(Previous No. TD-2406)
Date Published July 1995 P
Printed in Japan
© 1993
1 page  
2SC4955
S-PARAMETER
(VCE = 3 V, IC = 5 mA, ZO = 50 Ω)
FREQUENCY
S11
(GHz)
MAG
ANG
S21
MAG
ANG
S12
MAG
ANG
S22
MAG
ANG
0.200
0.400
0.600
0.800
1.000
1.200
1.400
1.600
1.800
2.000
2.200
2.400
2.600
2.800
3.000
0.7170
0.5230
0.4020
0.2860
0.2270
0.1830
0.1280
0.1080
0.0680
0.0370
0.0410
0.0480
0.0540
0.0760
0.0900
–30.9
–48.6
–64.1
–71.9
–77.9
–85.3
–95.6
–105.1
–113.1
–131.4
171.2
170.0
146.9
127.6
111.8
11.5670
8.6210
6.7610
5.4360
4.5550
3.9560
3.4140
3.0630
2.7510
2.5150
2.3620
2.2000
2.0470
1.9320
1.8520
147.4
124.7
110.7
100.2
91.8
85.3
79.5
74.3
69.4
64.9
60.5
56.8
53.7
49.2
45.8
0.0340
0.0630
0.0840
0.0970
0.1110
0.1380
0.1600
0.1800
0.1920
0.2190
0.2310
0.2460
0.2700
0.2980
0.3190
77.4
68.1
67.1
62.7
65.0
63.9
62.8
62.2
61.5
60.4
59.8
57.9
56.4
56.3
52.5
0.8840
0.7490
0.6190
0.5560
0.5030
0.4750
0.4630
0.4440
0.4240
0.4100
0.3850
0.3960
0.3650
0.3790
0.3160
–18.6
–28.2
–32.6
–34.2
–35.0
–36.8
–38.5
–38.5
–38.5
–44.3
–49.2
–45.0
–54.6
–55.9
–61.2
(VCE = 3 V, IC = 10 mA, ZO = 50 Ω)
FREQUENCY
S11
(GHz)
MAG
ANG
S21
MAG
ANG
S12
MAG
ANG
S22
MAG
ANG
0.200
0.400
0.600
0.800
1.000
1.200
1.400
1.600
1.800
2.000
2.200
2.400
2.600
2.800
3.000
0.542
0.348
0.247
0.168
0.120
0.091
0.060
0.041
0.016
0.017
0.040
0.053
0.054
0.084
0.108
–38.9
–53.6
–62.6
–70.7
–73.9
–79.6
–85.7
–97.8
–68.1
54.7
109.0
114.8
97.4
99.5
87.6
15.738
10.350
7.604
5.939
4.899
4.218
3.615
3.244
2.884
2.625
2.480
2.291
2.139
1.995
1.917
136.5
114.2
102.2
93.4
86.4
81.0
76.0
71.5
66.9
63.0
59.0
55.5
52.6
47.9
45.4
0.035
0.058
0.075
0.094
0.106
0.138
0.160
0.179
0.200
0.217
0.238
0.262
0.289
0.292
0.331
73.8
66.8
70.8
69.1
69.3
68.3
66.9
65.2
66.8
62.8
62.1
58.2
59.3
54.8
54.4
0.789
0.626
0.529
0.474
0.457
0.427
0.407
0.408
0.383
0.375
0.361
0.356
0.337
0.326
0.274
–22.9
–29.9
–31.7
–30.9
–31.3
–33.1
–34.6
–35.2
–38.5
–39.4
–45.8
–42.6
–51.4
–49.9
–58.4
5
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