msc0937a.doc 10-20-98 MS2475 description: description: the MS2475 is a silicon npn power transistor designed for iff applications. the MS2475 is designed to exceed the high peak power requirements of today's iff systems. hermetic sealing, gold metalization and internal input matching provide superior long term reliability and broadband performance. absolute maximum ratings absolute maximum ratings (tcase = 25 c) symbol parameter value unit v c c collector-supply voltage* 55 v i c device current* (t c 100 c) 45 a p diss power dissipation* 1670 w t j junction temperature +200 c t stg storage temperature - 65 to + 200 c thermal data thermal data r th(j-c) junction-case thermal resistance* 0.06 c/w * applies only to rated rf operation. features designed for high power pulsed iff 720 watts (min.) iff 1030 or 1090 mhz refractory gold metallization 6.8 db min. gain low thermal resistance for reliabilty and ruggedness 30:1 load vswr capability at specified operating conditions input matched, common base configuration rf & microwave transistors avionics applications 140 commerce drive montgomeryville, pa 18936-1013 phone: (215) 631-9840 fax: (215) 631-9855
msc0937a.doc 10-20-98 MS2475 electrical specifications (tcase = 25 electrical specifications (tcase = 25 c) c) static static value symbol test conditions min. typ. max. unit bv cbo i c = 25 ma i e = 0 ma 65 ---- ---- v bv ce r i c = 25 ma r b e = 10 w 65 ---- ---- v bv ebo i e = 10 ma i c = 0 ma 3.5 ---- ---- v i ces v ce = 50 v v b e = 0 v ---- ---- 60 ma h fe v ce = 5 v i c = 2 a 10 ---- 250 ---- dynamic dynamic value symbol test conditions min. typ. max. unit p out f = 1090 mhz p in = 150 w v c c = 50 v 720 ---- ---- w v v c f = 1090 mhz p in = 150 w v c c = 50 v 35 ---- ---- % g p f = 1090 mhz p in = 150 w v c c = 50 v 6.8 ---- ---- db note: pulse width = 10 m m sec. duty cycle = 1% impedance data: impedance data: frequency zin zcl 1030 mhz 4.18 + j1.32 0.81 + j0.55 1090 mhz 3.16 + j1.24 0.75 + j0.60
msc0937a.doc 10-20-98 MS2475 test circuit (1090 mhz)
msc0937a.doc 10-20-98 MS2475 1030 mhz typical circuit
msc0937a.doc 10-20-98 MS2475 package mechanical data
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