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DATA SHEET
SILICON TRANSISTOR
2SC4225
MICROWAVE LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR SUPER MINI MOLD
DESCRIPTION
The 2SC4225 is an NPN silicon epitaxial transistor designed for low noise amplifier at VHF through UHF band. It has large dynamic range and good current characteristics.
PACKAGE DIMENSIONS
in millimeters
2.1 0.1 1.25 0.1
FEATURES
2.0 0.2 0.3 +0.1 -0
* Low Noise and High Gain NF = 1.5 dB TYP. S21e 2 = 10 dB TYP. at VCE = 10 V, IC = 5 mA, f = 1 GHz at VCE = 10 V, IC = 20 mA, f = 1 GHz (reference value)
0.65 0.65
2
0.3
ABSOLUTE MAXIMUM RATINGS (TA = 25 C)
Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature VCB0 VCE0 VEB0 IC PT Tj Tstg 25 12 3.0 70 160 150 -65 to +150 V V V mA mW C C
0.9 0.1
Marking
ELECTRICAL CHARACTERISTICS (TA = 25 C)
Characteristics Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain Bandwidth Product Output Capacitance Insertion Power Gain Noise Figure Symbol ICB0 IEB0 hFE fT Cob S21e 2 NF 7.5 40 80 4 1.2 9.0 1.5 3.0 1.8 MIN. TYP. MAX. 1.0 1.0 200
PIN CONNECTIONS 1. Emitter 2. Base 3. Collector
Unit
Test Conditions VCB = 10 V, IE = 0 VEB = 2 V, IC = 0 VCE = 3 V, IC = 20 mA, pulsed
A A
GHz pF dB dB
VCE = 3 V, IC = 20 mA, f = 1 GHz VCB = 3 V, IE = 0, f = 1 MHz VCE = 3 V, IC = 20 mA, f = 1 GHz VCE = 3 V, IC = 5 mA, f = 1GHz
hFE Classifications
Rank Marking hFE R2 R2 40 to 120 R3 R3 100 to 200
Document No. P11192EJ2V0DS00 (2nd edition) Date Published February 1996 P Printed in Japan
0 to 0.1
(c)
0.15 +0.1 -0.05
0.3 +0.1 -0
1
3
1996
2SC4225
TYPICAL CHARACTERISTICS (TA = 25 C)
DC CURRENT GAIN vs. COLLECTOR CURRENT 200 VCE = 10 V 100 70 50 COLLECTOR CURRENT vs. BASE TO EMITTER VOLTAGE VCE = 10 V
IC - Collector Current - mA
hFE - DC Current Gain
20 10 5 2 1 0.5 0.5 0.6 0.7 0.8 VBE - Base to Emitter Voltage - V 0.9
50 30 20
10 0.5
1
2 5 10 20 IC - Collector Current - mA
50 70
GAIN BANDWIDTH PRODUCT vs. COLLECTOR CURRENT 7 15 VCE = 10 V
INSERTION GAIN vs. COLLECTOR CURRENT VCE = 10 V f = 1.0 GHz
fT - Gain Bandwidth Product - GHz
5
2 1 0.5
S21e 2 - Insertion Gain - dB
1 2 5 10 20 IC - Collector Current - mA 50 70
10
5
0.2 0.1 0.5
0 0.5
1
2 5 10 20 IC - Collector Current - mA
50 70
OUTPUT CAPACITANCE vs. COLLECTOR TO BASE VOLTAGE 2 7 f = 1.0 GHz 6
NOISE FIGURE vs. COLLECTOR CURRENT VCE = 10 V f = 1.2 GHz
Cob - Output Capacitance - pF
NF - Noise Figure - dB
0 0.5 1 2 5 10 20 30
5 4 3 2 1
1
0.5
0.3 VCB - Collector to Base Voltage - V
0 0.5
1
2 5 10 20 IC - Collector Current - mA
50 70
2
2SC4225
NF, Ga vs. COLLECTOR CURRENT
Ga - Associated Gain - dB
6
NF - Noise Figure - dB
VCE = 10 V f = 1 GHz Ga 10
5 4 3
5 2 1 0 0 1 3 5 7 10 30 IC - Collector Current - mA NF
3
2SC4225
S-PARAMETER
VCE = 3 V, IC = 3 mA Frequency MHz 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1700.00 1800.00 1900.00 2000.00 VCE = 3 V, IC = 10 mA Frequency MHz 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1700.00 1800.00 1900.00 2000.00 MAG 0.583 0.453 0.388 0.367 0.363 0.363 0.360 0.360 0.364 0.384 0.401 0.407 0.408 0.408 0.426 0.442 0.458 0.473 0.480 0.493 S11 ANG -73.8 -112.7 -136.1 -151.2 -162.6 -172.6 178.7 173.2 168.8 164.4 159.4 152.9 148.8 146.0 143.6 141.2 137.3 134.2 131.5 129.0 MAG 18.505 11.723 8.269 6.297 5.086 4.407 3.802 3.468 3.104 2.846 2.595 2.426 2.311 2.093 1.962 1.840 1.732 1.714 1.651 1.626 S21 ANG 129.9 108.7 96.9 90.6 85.0 82.2 76.4 73.4 69.3 65.9 63.5 59.5 56.0 52.9 48.5 48.4 46.3 44.3 41.5 36.4 MAG 0.042 0.059 0.077 0.090 0.103 0.120 0.136 0.155 0.167 0.184 0.199 0.217 0.237 0.244 0.259 0.268 0.282 0.301 0.320 0.338 S12 ANG 64.4 57.2 56.3 59.0 59.3 61.9 61.0 60.6 61.2 59.4 60.3 58.1 56.9 55.1 52.8 54.0 52.3 52.9 50.5 47.9 MAG 0.710 0.451 0.315 0.240 0.191 0.161 0.138 0.121 0.107 0.095 0.085 0.080 0.078 0.089 0.084 0.091 0.103 0.117 0.128 0.139 S22 ANG -44.7 -61.0 -69.6 -73.6 -76.3 -78.8 -82.2 -87.2 -93.1 -101.3 -109.7 -120.3 -130.6 -142.6 -151.9 -160.6 -169.0 -177.8 176.1 172.1 MAG 0.843 0.718 0.594 0.525 0.484 0.462 0.442 0.432 0.427 0.440 0.452 0.453 0.449 0.446 0.465 0.483 0.498 0.512 0.516 0.528 S11 ANG -40.1 -70.6 -94.7 -112.6 -127.3 -140.8 -152.7 -161.9 -169.2 -176.6 175.9 167.6 162.2 158.3 154.7 151.1 145.6 141.5 138.1 135.1 MAG 8.958 7.260 5.738 4.674 3.900 3.448 3.124 2.834 2.501 2.307 2.115 1.987 1.895 1.726 1.627 1.527 1.437 1.431 1.381 1.363 S21 ANG 150.1 129.1 113.1 103.7 95.2 90.4 82.8 78.4 72.7 68.2 64.9 60.0 56.1 52.3 47.4 46.8 44.1 41.9 38.8 33.5 MAG 0.058 0.091 0.113 0.124 0.131 0.142 0.149 0.160 0.165 0.174 0.184 0.198 0.213 0.216 0.226 0.234 0.244 0.262 0.279 0.296 S12 ANG 71.5 56.8 47.2 45.2 42.4 43.3 42.6 42.9 45.0 44.8 47.4 46.8 46.9 46.2 45.3 47.9 47.4 49.2 47.9 46.2 MAG S22 ANG
0.917 -22.9 0.752 -37.6 0.600 -48.3 0.495 -52.9 0.413 -55.8 0.365 -57.6 0.325 -58.8 0.301 -61.0 0.278 -63.3 0.257 -66.7 0.239 -70.2 0.220 -73.4 0.207 -77.4 0.192 -81.7 0.185 -86.6 0.179 -92.9 0.173 -99.7 0.167 -109.1 0.163 -116.6 0.162 -123.7
4
2SC4225
VCE = 5 V, IC = 3 mA Frequency MHz 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1700.00 1800.00 1900.00 2000.00 VCE = 5 V, IC = 10 mA Frequency MHz 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1700.00 1800.00 1900.00 2000.00 MAG 0.596 0.446 0.370 0.337 0.327 0.323 0.320 0.321 0.323 0.342 0.358 0.364 0.366 0.367 0.385 0.401 0.417 0.433 0.441 0.454 S11 ANG -66.5 -103.7 -127.5 -143.6 -155.8 -166.6 -176.1 177.6 172.7 167.9 162.4 155.7 151.4 148.6 145.9 143.5 139.5 136.3 133.6 131.0 MAG 19.076 12.382 8.801 6.728 5.466 4.732 4.073 3.720 3.202 3.057 2.792 2.607 2.479 2.247 2.110 1.978 1.862 1.841 1.779 1.748 S21 ANG 132.3 110.9 98.8 92.4 86.7 84.0 78.2 75.0 70.8 67.7 65.2 61.4 57.8 55.0 50.7 50.5 48.3 46.3 43.5 38.5 MAG 0.039 0.056 0.070 0.083 0.096 0.112 0.126 0.145 0.157 0.172 0.187 0.204 0.222 0.230 0.244 0.254 0.267 0.287 0.305 0.324 S12 ANG 66.0 58.8 57.5 60.3 60.7 63.3 62.3 62.3 63.1 61.5 62.1 60.1 59.2 57.5 55.3 56.7 55.1 55.7 53.3 50.7 MAG 0.741 0.493 0.355 0.280 0.229 0.202 0.178 0.161 0.147 0.133 0.118 0.105 0.095 0.082 0.077 0.074 0.072 0.074 0.079 0.084 S22 ANG -38.6 -52.0 -57.7 -58.6 -58.4 -58.1 -58.2 -59.6 -61.9 -65.2 -68.9 -73.6 -79.7 -87.2 -95.8 -107.1 -120.6 -137.5 -149.6 -158.3 MAG 0.852 0.730 0.601 0.526 0.479 0.452 0.427 0.414 0.408 0.417 0.426 0.426 0.422 0.420 0.439 0.455 0.471 0.485 0.490 0.501 S11 ANG -36.9 -65.3 -88.5 -105.8 -120.3 -134.2 -146.5 -156.2 -164.2 -172.1 180.0 171.3 165.7 161.6 157.6 153.8 148.2 143.8 140.4 137.2 MAG 9.015 7.451 5.983 4.912 4.118 3.658 3.204 3.018 2.666 2.456 2.252 2.115 2.018 1.834 1.730 1.625 1.532 1.523 1.471 1.450 S21 ANG 151.8 131.5 115.8 106.4 97.6 93.0 84.8 80.8 75.0 70.5 67.1 62.4 58.4 54.7 49.9 49.2 46.4 44.2 41.1 35.8 MAG 0.051 0.081 0.103 0.113 0.120 0.131 0.138 0.149 0.153 0.162 0.172 0.184 0.198 0.202 0.213 0.220 0.231 0.249 0.265 0.283 S12 ANG 73.0 58.9 49.3 47.5 44.9 45.6 44.8 45.0 47.5 47.4 49.7 49.4 49.6 49.4 48.6 51.3 51.0 52.8 51.6 50.0 MAG 0.928 0.781 0.638 0.539 0.456 0.413 0.374 0.352 0.330 0.309 0.292 0.270 0.254 0.239 0.230 0.222 0.211 0.199 0.191 0.184 S22 ANG -19.9 -32.7 -42.4 -45.9 -47.9 -48.9 -49.4 -50.9 -52.6 -55.4 -57.9 -60.5 -63.1 -66.0 -69.3 -73.7 -78.8 -85.9 -91.7 -97.9
5
2SC4225
VCE = 10 V, IC = 3 mA Frequency MHz 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1700.00 1800.00 1900.00 2000.00 VCE = 10 V, IC = 10 mA Frequency MHz 100.00 200.00 300.00 400.00 500.00 600.00 700.00 800.00 900.00 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 1700.00 1800.00 1900.00 2000.00 MAG 0.636 0.461 0.360 0.314 0.294 0.286 0.278 0.277 0.280 0.293 0.309 0.314 0.317 0.319 0.337 0.353 0.369 0385 0.394 0.408 S11 ANG -58.6 -92.8 -115.8 -132.4 -145.2 -157.4 -167.8 -175.4 178.6 173.1 166.9 159.8 155.2 152.1 149.4 146.6 142.5 139.2 136.3 133.8 MAG 19.263 12.924 9.312 7.156 5.814 5.056 4.365 3.962 3.421 3.271 2.988 2.788 2.649 2.406 2.256 2.121 2.000 1.978 1.912 1.880 S21 ANG 135.2 113.7 101.0 94.5 88.7 86.1 80.1 77.0 72.6 69.6 67.2 63.4 60.0 57.1 52.9 52.6 50.5 48.6 45.6 40.6 MAG 0.034 0.050 0.064 0.076 0.087 0.101 0.114 0.130 0.142 0.157 0.170 0.184 0.202 0.209 0.224 0.233 0.246 0.265 0.283 0.300 S12 ANG 68.1 61.0 58.7 61.3 62.1 64.8 64.1 64.0 65.2 63.4 64.6 62.7 62.0 60.5 58.5 60.1 58.8 59.3 57.1 54.5 MAG 0.778 0.547 0.416 0.346 0.299 0.275 0.256 0.243 0.231 0.216 0.204 0.188 0.174 0.159 0.150 0.140 0.130 0.115 0.104 0.096 S22 ANG -31.8 -41.7 -45.1 -43.7 -42.2 -40.6 -39.5 -39.8 -40.8 -42.5 -44.5 -46.7 -48.4 -50.4 -52.9 -56.5 -61.1 -68.5 -75.1 -83.3 MAG 0.875 0.754 0.618 0.537 0.480 0.446 0.415 0.395 0.386 0.389 0.395 0.393 0.390 0.387 0.405 0.422 0.436 0.449 0.455 0.466 S11 ANG -33.4 -59.7 -81.5 -97.9 -112.0 -126.0 -138.4 -148.8 -157.5 -165.9 -174.5 176.5 170.4 165.9 161.7 157.4 151.6 146.9 143.2 140.0 MAG 9.048 7.600 6.193 5.145 4.332 3.866 3.396 3.208 2.834 2.612 2.395 2.247 2.141 1.953 1.837 1.731 1.633 1.622 1.567 1.547 S21 ANG 153.5 134.2 118.5 109.1 100.3 95.6 87.4 83.4 77.4 73.0 69.7 64.9 61.1 57.4 52.7 51.9 49.2 47.0 43.7 38.4 MAG 0.043 0.070 0.090 0.100 0.107 0.117 0.123 0.133 0.138 0.146 0.155 0.166 0.179 0.183 0.194 0.201 0.212 0.230 0.246 0.262 S12 ANG 73.6 60.9 51.8 49.8 47.1 47.9 47.4 47.8 50.4 50.2 53.0 52.9 53.3 53.2 52.7 55.9 55.4 57.3 56.4 54.4 MAG 0.939 0.812 0.683 0.592 0.513 0.475 0.440 0.422 0.404 0.383 0.367 0.345 0.328 0.312 0.302 0.294 0.283 0.269 0.258 0.247 S22 ANG -16.6 -27.2 -35.4 -37.9 -39.2 -39.6 -39.5 -40.8 -41.7 -44.2 -46.3 -48.3 -49.9 -51.6 -53.7 -56.6 -60.1 -64.8 -68.7 -73.2
6
2SC4225
[MEMO]
7
2SC4225
No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC Corporation or others. While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or property arising from a defect in an NEC semiconductor device, customer must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. NEC devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. The recommended applications of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device before using it in a particular application. Standard: Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices in "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC Sales Representative in advance. Anti-radioactive design is not implemented in this product.
M4 94.11
8

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