emx4 / umx4n / imx4 transistors rev.c 1/3 high transition frequency (dual transistors) emx4 / umx4n / imx4 z features 1) two 2sc3837k chips in a emt or umt or smt package. 2) high transition frequency. (f t =1.5ghz) 3) low output capacitance. (cob=0.9pf) z equivalent circuits emx4 / umx4n (3) (2) (1) (4) (5) (6) imx4 (4) (5) (6) (3) (2) (1) z absolute maximum ratings (ta=25 c) parameter symbol v cbo v ceo v ebo i c pc tj tstg limits 30 20 3 50 300(total) 150(total) emx4 / umx4n imx4 150 ?55 to +150 unit v v v ma mw c c collector-base voltage collector-emitter voltage emitter-base voltage collector current collector power dissipation junction temperature storage temperature ?1 120mw per element must not be exceeded. ?2 200mw per element must not be exceeded. ?1 ?2 z package, marking, and packaging specifications type emx4 emt6 x4 t2r 8000 imx4 smt6 x4 t108 3000 umx4n umt6 x4 tr 3000 package marking code basic ordering unit (pieces) z dimensions (unit : mm) umx4n each lead has same dimensions rohm : umt6 eiaj : sc-88 imx4 each lead has same dimensions rohm : smt6 eiaj : sc-74 each lead has same dimensions rohm : emt6 emx4 z electrical characteristics (ta=25 c) parameter symbol min. typ. max. unit conditions transition frequency bv cbo bv ceo bv ebo i cbo i ebo v ce(sat) h fe f t 30 20 3 ? ? 56 ? ? ? ? ? ? ? ? ? ? ? ? 0.5 0.5 180 0.5 1.6 v v v a a ? v mhz ? cob 600 1500 0.95 ? pf i c =10a i c =1ma i e =10a v cb =15v v eb =2v v ce /i e =10v/ ?10ma, f=200mhz v cb /f=10v/1mhz, i e =0a i c /i b =20ma/4ma v ce /i c =10v/10ma ?transition frequency of the device. collector-base breakdown voltage collector-emitter breakdown voltage emitter-base breakdown voltage collector cutoff current emitter cutoff current collector-emitter saturation voltage dc current transfer ratio output capacitance ? 13 rbb' cc 6 ps v cb =10v, i c =10ma , f=31.8mhz collector-base time constant ? ? nf 4.5 db v ce =12v, i c =2ma , f=200mhz , rg=50? noise factor this product might cause chip aging and breakdown under the large electrified environment. please consider to design esd protection circuit.
emx4 / umx4n / imx4 transistors rev.c 2/3 z electrical characteristic curves 0.1 0.2 0.5 1 2 5 10 20 50 10 collector current : i c (ma) fig.1 dc current gain vs. collector current dc current transfer ratio :h fe 100 20 50 200 500 ta=25 c v ce =10v 0.1 0.2 0.5 1 2 5 10 20 50 0.1 collector to base voltage : v cb (v) fig.3 capacitance vs. reverse bias voltage output capacitance :c ob (pf) feedback capacitance :c re (pf) 1.0 0.2 0.5 2.0 5.0 ta=25 c f=1mhz i e =0a cob cre ?0.1 ?0.2 ?0.5 ?1 ?2 ?5 ?10 ?20 ?50 100 emitter current : i e (ma) fig.4 gain bandwidth product vs. emitter current transition frequency : f t (mhz) 1000 200 500 2000 5000 ta=25 c v ce =10v 0.1 0.2 0.5 1 2 5 10 0 frequency : f (ghz) fig.6 insertion gain vs. frequency insertion gain : is 21el 2 (db) 5 10 15 20 25 ta=25 c v ce =10v i c =10ma collector current : ic (ma) fig.7 insertion gain vs. collector current insertion gain : is 21el 2 (db) 0.5 1 2 5 10 20 50 0 5 10 15 20 25 ta=25 c v ce =12v f=200mhz 02 4 6 81012 0 collector to emitter voltage : v ce (v) fig.8 insertion gain vs. collector voltage insertion gain : is 21el 2 (db) 5 10 15 20 25 30 ta=25 c i c =2ma f=200mhz 0.1 0.2 0.5 1 2 5 10 20 50 0 collector current : i c (ma) fig.9 noise factor vs. collector current noise figure : nf(db) 10 20 ta=25 c v ce =12v f=200mhz 0.1 0.2 0.5 1 2 5 10 20 50 10 collector current : i c (ma) fig.2 collector-emitter saturation voltage vs. collector current collector saturation voltage :v ce(sat) (mv) 100 20 50 200 500 ta=25 c i c /i b =5 0.1 0.2 0.5 1 2 5 10 20 50 1 collector current : i c (ma) fig.5 collector to base time constance vs. collector current collector to base time constant : c c rbb' (ps) 10 2 5 20 50 ta=25 c v ce =10v f=31.8mhz
emx4 / umx4n / imx4 transistors rev.c 3/3 02 4681012 0 collector to emitter voltage : v ce (v) fig.10 noise factor vs. collector voltage noise figure : nf(db) 15 5 10 25 20 30 ta=25 c i c =2ma f=200mhz
notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. appendix1-rev2.0 thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact your nearest sales office. rohm customer support system the americas / europe / asia / japan contact us : webmaster@ rohm.co. jp www.rohm.com copyright ? 2008 rohm co.,ltd. the products listed in this document are designed to be used with ordinary electronic equipment or de vices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. it is our top priority to supply products with the utmost quality and reliability. however, there is always a chance of failure due to unexpected factors. therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. rohm cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the notes specified in this catalog. 21 saiin mizosaki- cho, ukyo-ku, kyoto 615-8585, japan tel : +81-75-311-2121 fax : +81-75-315-0172 appendix
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