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Número de pieza | 2SC4957 | |
Descripción | HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR 4 PINS MINI MOLD | |
Fabricantes | NEC | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de 2SC4957 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! DATA SHEET
SILICON TRANSISTOR
2SC4957
HIGH FREQUENCY LOW NOISE AMPLIFIER
NPN SILICON EPITAXIAL TRANSISTOR
4 PINS MINI MOLD
FEATURES
• Low Noise, High Gain
• Low Voltage Operation
• Low Feedback Capacitance
Cre = 0.3 pF TYP.
ORDERING INFORMATION
PART
NUMBER
2SC4957-T1
2SC4957-T2
QUANTITY
3 Kpcs/Reel.
3 Kpcs/Reel.
PACKING STYLE
Embossed tape 8 mm wide.
Pin3 (Base), Pin4 (Emitter) face to perforation side
of the tape.
Embossed tape 8 mm wide.
Pin1 (Collector), Pin2 (Emitter) face to perforation
side of the tape.
* Please contact with responsible NEC person, if you require evaluation
sample. Unit sample quantity shall be 50 pcs. (Part No.: 2SC4957)
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 –65 to +150
V
V
V
mA
mW
˚C
˚C
PACKAGE DIMENSIONS
in millimeters
2.8
+0.2
–0.3
1.5
+0.2
–0.1
5˚ 5˚
5˚ 5˚
PIN CONNECTIONS
1. Collector
2. Emitter
3. Base
4. Emitter
Caution; Electrostatic Sensitive Device.
The information in this document is subject to change without notice.
Document No. P10379EJ2V0DS00 (2nd edition)
(Previous No. TD-2408)
Date Published July 1995 P
Printed in Japan
© 1993
1 page 2SC4957
S-PARAMETER
(VCE = 3 V, IC = 5 mA, ZO = 50 Ω)
f
(GHz)
S11
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
.716
.553
.412
.315
.243
.190
.167
.161
.162
.193
.220
.252
.267
.311
.330
–31.0
–55.6
–74.5
–91.6
–109.4
–130.1
–152.1
–174.4
167.5
149.8
137.4
128.7
122.3
116.7
112.1
(VCE = 3 V, IC = 10 mA, ZO = 50 Ω)
f
(GHz)
S11
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
.536
.349
.232
.165
.124
.106
.116
.137
.149
.184
.216
.249
.270
.306
.328
–42.2
–68.1
–88.4
–107.1
–130.9
–163.8
173.3
153.2
137.7
129.3
121.9
117.4
111.3
109.1
105.5
S21
MAG
ANG
12.446
10.005
8.004
6.521
5.457
4.678
4.099
3.628
3.287
3.008
2.748
2.552
2.366
2.212
2.079
150.0
126.8
110.6
99.2
89.4
80.7
74.1
67.1
60.5
54.9
48.6
43.7
38.6
33.7
29.2
S21
MAG
ANG
17.753
12.387
9.189
7.205
5.913
5.000
4.352
3.841
3.463
3.168
2.876
2.676
2.486
2.319
2.183
139.3
115.1
100.7
91.0
82.8
75.3
69.7
63.5
57.5
52.5
46.7
42.1
37.3
32.9
28.4
S12
MAG
ANG
.030
.053
.067
.084
.099
.106
.120
.133
.146
.157
.169
.185
.201
.211
.228
73.7
65.2
60.3
56.2
58.4
53.6
51.9
49.3
48.0
46.3
44.9
39.6
40.2
37.0
35.6
S12
MAG
ANG
.024
.041
.057
.071
.090
.103
.122
.138
.145
.170
.184
.191
.208
.221
.238
66.6
67.9
64.3
60.3
62.7
61.1
58.4
54.9
54.6
51.2
48.0
46.4
42.9
39.2
36.7
S22
MAG
ANG
.918 –17.3
.777 –28.8
.659 –34.0
.577 –38.0
.526 –40.5
.488 –44.5
.447 –46.9
.420 –51.2
.389 –55.1
.354 –59.2
.341 –63.9
.315 –69.2
.291 –71.6
.270 –76.9
.260 –88.5
S22
MAG
ANG
.840 –22.7
.654 –31.7
.547 –34.1
.489 –35.7
.451 –37.5
.413 –41.4
.394 –43.4
.367 –47.4
.338 –51.0
.319 –55.9
.298 –63.7
.282 –67.7
.241 –71.9
.236 –76.7
.210 –89.3
5
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet 2SC4957.PDF ] |
Número de pieza | Descripción | Fabricantes |
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