general purpose linear applications rf & microwave transistors .230 2lfl (m151) hermetically sealed . 2.0 ghz . 20 volts . class a . overlay geometry . gold metallized die . common emitter configuration . p out = 2.5w min. with 6.0 db gain description the SD1855 is a silicon npn planar transistor designed for high gain linear performance at 2.0 ghz. this part uses gold metallized die and poly- silicon site ballasting to achieve high reliability and ruggedness. the SD1855 can be used for appli- cations sucha as telecommunications, radar, ecm, space and other commercial and military systems. pin connection branding tcc20l25 order code SD1855 absolute maximum ratings (t case = 25 c) symbol parameter value unit v cbo collector-base voltage 40 v v ces collector-emitter voltage 25 v v ebo emitter-base voltage 3.5 v i c device current 0.5 a p diss power dissipation 20.6 w t j junction temperature +200 c t stg storage temperature - 65 to +150 c r th(j-c) junction-case thermal resistance 8.5 c/w SD1855 (tcc20l25) 1. collector 3. emitter 2. base thermal data november 1992 1/3 .com .com .com .com 4 .com u datasheet
electrical specifications (t case = 25 c) symbol test conditions value unit min. typ. max. p out *f = 2.0 ghz v ce = 20 v i cq = 440 ma 2.5 w g p *f = 2.0 ghz v ce = 20 v i cq = 440 ma 6.0 db note: * 1db compression static symbol test conditions value unit min. typ. max. bv cbo i c = 2ma i e = 0ma 40 v bv ceo i c = 5ma i b = 0ma 25 v bv ebo i e = 2ma i c = 0ma 3.5 v h fe v ce = 5v i c = 400ma 15 150 dynamic SD1855 (tcc20l25) 2/3 .com .com .com .com .com 4 .com u datasheet
package mechanical data ref.: dwg. no.12-0151 information furnished is believed to be accurate and reliable. however, sgs-thomson microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. no license is granted by implication or otherwise under any patent or patent rights of sgs-thomson microelectronics. specification s mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously s upplied. sgs-thomson microelectronics products are not authorized for use as critical components in life support devices or systems with out express written approval of sgs-thomson microelectonics. ? 1994 sgs-thomson microelectronics - all rights reserved sgs-thomson microelectronics group of companies australia - brazil - france - germany - hong kong - italy - japan - korea - malaysia - malta - morocco - the netherlands - singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a SD1855 (tcc20l25) 3/3 .com .com .com .com 4 .com u datasheet
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