2SC4325 2003-03-19 1 toshiba transistor silicon npn epitaxial planar type 2SC4325 vhf~uhf band low noise amplifier applications low noise figure, high gain. nf = 1.8db, |s 21e | 2 = 7.5db (f = 2 ghz) maximum ratings (ta 25c) characteristics symbol rating unit collector-base voltage v cbo 20 v collector-emitter voltage v ceo 10 v emitter-base voltage v ebo 1.5 v base current i b 7 ma collector current i c 15 ma collector power dissipation p c 100 mw junction temperature t j 125 c storage temperature range t stg 55~125 c microwave characteristics (ta 25c) characteristics symbol test condition min typ. max unit transition frequency f t v ce 6 v, i c 7 ma 7 10 ghz s 21e 2 (1) v ce 6 v, i c 7 ma, f 1 ghz 13 insertion gain s 21e 2 (2) v ce 6 v, i c 7 ma, f 2 ghz 4.5 7.5 db nf (1) v ce 6 v, i c 3 ma, f 1 ghz 1.4 noise figure nf (2) v ce 6 v, i c 3 ma, f 2 ghz 1.8 3.0 db electrical characteristics (ta 25c) characteristics symbol test condition min typ. max unit collector cut-off current i cbo v cb 10 v, i e 0 1 a emitter cut-off current i ebo v eb 1 v, i c 0 1 a dc current gain h fe v ce 6 v, i c 7 ma 50 250 output capacitance c ob 0.45 pf reverse transfer capacitance c re v cb 10 v, i e 0, f 1 mhz (note) 0.35 0.8 pf note: c re is measured by 3 terminal method with capacitance bridge. unit: mm jedec D jeita sc-70 toshiba 2-2e1a weight: 0.006 g (typ.)
2SC4325 2003-03-19 2 marking
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2SC4325 2003-03-19 4 s-parameter z o 50 , ta 25c v ce 6 v, i c 3 ma frequency s11 s21 s12 s22 mhz mag ang mag ang mag ang mag ang 200 0.778 27.1 7.781 154.1 0.043 75.7 0.932 18.5 400 0.641 49.4 6.538 133.4 0.075 66.5 0.800 31.9 600 0.500 67.1 5.409 118.1 0.097 61.9 0.683 40.4 800 0.394 80.5 4.508 106.6 0.115 59.9 0.595 45.8 1000 0.311 93.1 3.809 97.9 0.132 59.4 0.536 49.6 1200 0.238 103.0 3.314 90.6 0.149 59.3 0.492 52.7 1400 0.194 114.5 2.909 84.0 0.165 59.3 0.465 55.3 1600 0.146 122.2 2.619 78.7 0.183 59.4 0.444 57.9 1800 0.102 135.3 2.409 73.5 0.199 59.4 0.428 60.8 2000 0.074 150.4 2.188 70.0 0.216 59.6 0.415 64.2 v ce 6 v, i c 7 ma frequency s11 s21 s12 s22 mhz mag ang mag ang mag ang mag ang 200 0.581 39.7 12.614 141.9 0.037 73.0 0.842 24.8 400 0.397 64.8 9.040 119.2 0.061 67.7 0.652 36.1 600 0.278 82.1 6.744 105.5 0.081 67.3 0.541 40.4 800 0.194 94.9 5.328 96.2 0.101 67.7 0.477 42.6 1000 0.137 109.4 4.364 89.2 0.121 67.8 0.440 44.3 1200 0.096 123.2 3.733 83.2 0.141 67.8 0.417 46.4 1400 0.062 140.8 3.254 77.9 0.162 67.1 0.403 48.5 1600 0.041 169.5 2.899 73.4 0.183 66.6 0.394 50.9 1800 0.030 137.0 2.634 68.9 0.203 65.6 0.389 54.0 2000 0.038 99.1 2.377 66.1 0.222 65.1 0.382 57.6
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2SC4325 2003-03-19 7 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. the information contained herein is subject to change without notice. 000707ea a restrictions on product use
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