1 high frequency fets unit: mm 3sk273 gaas n-channel mes fet for vhf-uhf amplification n features l low noise-figure (nf) l large power gain pg l mini-type package, allowing downsizing of the sets and automatic insertion through the tape/magazine packing. n electrical characteristics (ta = 25c) parameter drain to source cut-off current gate 2 to drain current gate 1 cut-off current gate 2 cut-off current drain cut-off current gate 1 to source cut-off voltage gate 2 to source cut-off voltage forward transfer admittance input capacitance (common source) output capacitance (common source) reverse transfer capacitance (common source) power gain noise figure gain reduction symbol i dss * i g2do i g1ss i g2ss i dsx v g1sc v g2sc | y fs | c iss c oss c rss pg nf g r conditions v ds = 5v, v g1s = 0, v g2s = 0 v dd = - 13v (g1, s = open) v ds = v g2s = 0, v g1s = - 6v v ds = v g1s = 0, v g2s = - 6v v ds = 13v, v g1s = - 3.5v, v g2s = 0 v ds = 5v, v g2s = 0, i d = 200 m a v ds = 5v, v g1s = 0, i d = 200 m a v ds = 5v, i d = 10ma, v g2s = 1.5v, f = 1khz v ds = 5v, v g1s = v g2s = - 6v f = 1mhz v ds = 5v, i d = 10ma v g2s = 1.5v, f = 800mhz v ds = 5v, v agc = 1.5v/ - 3.5v, f = 800mhz min 8.5 15 13 37 typ 20 0.4 0.3 0.02 16 1.8 45 max 35 50 - 20 - 20 50 - 3.5 - 3.5 2 1.2 0.04 2.8 unit ma m a m a m a m a v v ms pf pf pf db db db n absolute maximum ratings (ta = 25c) parameter drain to source voltage gate 1 to source voltage gate 2 to source voltage drain current gate 1 current gate 2 current allowable power dissipation channel temperature storage temperature symbol v ds v g1s v g2s i d i g1 i g2 p d t ch t stg ratings 13 - 6 - 6 50 1 1 200 150 - 55 to +150 unit v v v ma ma ma mw c c marking symbol (example): et 1: source 2: drain 3: gate2 4: gate1 mini type package (4-pin) * i dss rank classification rank i dss (ma) marking symbol p 8.5 to 17 etp q 15 to 21 etq r 19 to 30 etr 2.8 +0.2 C0.3 1.5 +0.2 C0.3 0.650.15 0.650.15 0.5r 1 2 4 3 0.95 0.95 1.90.2 2.90.2 0.4 +0.1 C0.05 1.1 +0.2 C0.1 0.8 0.40.2 0 to 0.1 0.16 +0.1 C0.06 r 25 to 35 ets maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
2 high frequency fets p d ? ta i d ? v ds i d ? v g1s | y fs | ? v g1s pg ? v g1s nf ? v g1s pg ? v g2s 3sk273 0 160 40 120 80 140 20 100 60 0 400 300 100 250 350 200 50 150 ambient temperature ta ( ?c ) allowable power dissipation p d ( mw ) 012 10 8 26 4 0 30 25 20 15 10 5 v g2s =0 ta=25?c v g1s =0v C 0.2v C 0.4v C 0.6v C 0.8v C1.0v C1.2v drain to source voltage v ds ( v ) drain current i d ( ma ) C2.0 0.4 0 C 0.4 C1.6 C 0.8 C1.2 0 42 35 28 21 14 7 v g2s =1.5v 0v C 0.4v C 0.8v C1.2v v ds =5v ta=25?c gate 1 to source voltage v g1s ( v ) drain current i d ( ma ) ?.8 1.4 0.7 0 ?.1 ?0.7 ?.4 0 60 50 40 30 20 10 v ds =5v f=1khz ta=25?c v gs =1.5v 1.0v 0.5v 0v gate 1 to source voltage v g1s ( v ) forward transfer admittance |y fs | ( ms ) C1.6 0.8 0.4 0 C1.2 C 0.4 C 0.8 0 24 20 16 12 8 4 v g2s =1.5v 1.0v 0.5v 0v v ds =5v f=800mhz ta=25?c gate 1 to source voltage v g1s ( v ) power gain pg ( db ) C1.6 0.8 0.4 0 C1.2 C 0.4 C 0.8 0.4 5.2 4.4 3.6 2.8 2.0 1.2 v g2s =0v 0.5v 1.0v 1.5v v ds =5v f=800mhz ta=25?c gate 1 to source voltage v g1s ( v ) noise figure nf ( db ) C6 6 4 2 C4 0 C2 C60 60 40 20 0 C20 C40 v ds =5v f=800mhz ta=25?c gate 2 to source voltage v g2s ( v ) power gain pg ( db ) maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
request for your special attention and precautions in using the technical information and semiconductors described in this book (1) if any of the products or technical information described in this book is to be exported or provided to non-residents, the laws and regulations of the exporting country, especially, those with regard to security export control, must be observed. (2) the technical information described in this book is intended only to show the main characteristics and application circuit examples of the products, and no license is granted under any intellectual property right or other right owned by our company or any other company. therefore, no responsibility is assumed by our company as to the infringement upon any such right owned by any other company which may arise as a result of the use of technical information described in this book. (3) the products described in this book are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). consult our sales staff in advance for information on the following applications: ? special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the prod- ucts may directly jeopardize life or harm the human body. ? any applications other than the standard applications intended. (4) the products and product specifications described in this book are subject to change without notice for modification and/or im- provement. at the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date product standards in advance to make sure that the latest specifications satisfy your requirements. (5) when designing your equipment, comply with the range of absolute maximum rating and the guaranteed operating conditions (operating power supply voltage and operating environment etc.). especially, please be careful not to exceed the range of absolute maximum rating on the transient state, such as power-on, power-off and mode-switching. otherwise, we will not be liable for any defect which may arise later in your equipment. even when the products are used within the guaranteed values, take into the consideration of incidence of break down and failure mode, possible to occur to semiconductor products. measures on the systems such as redundant design, arresting the spread of fire or preventing glitch are recommended in order to prevent physical injury, fire, social damages, for example, by using the products. (6) comply with the instructions for use in order to prevent breakdown and characteristics change due to external factors (esd, eos, thermal stress and mechanical stress) at the time of handling, mounting or at customer's process. when using products for which damp-proof packing is required, satisfy the conditions, such as shelf life and the elapsed time since first opening the packages. (7) this book may be not reprinted or reproduced whether wholly or partially, without the prior written permission of matsushita electric industrial co., ltd. maintenance/ discontinued maintenance/discontinued includes following four product lifecycle stage. planed maintenance type maintenance type planed discontinued typed discontinued type please visit following url about latest information. http://www.semicon.panasonic.co.jp/en/
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