, o ne. 20 stern ave. springfield, new jersey 07081 u.s.a. vhf power transistor the SD1460 is a 28v vhf transistor designed primarily to be used in fm broadcast applications in class a,b or c modes of operation. the device utilizes gold top and back metal, and incorporates emitter resistors for improved ruggedness. - 108mhz - 150 watt pout - 28v supply - lodb gain gold metallization diffused emitter ballast resistors for ruggedness maximum ratings telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 SD1460 150 w - 108mhz vhf power transisotr .500 soe f rating collector-emitter voltage collector-base voltage emitter-base voltage collector current - continuous total device dissipation (tc=25c) derate above 70c operating junction temperature storage temperature range symbol vceo vcbo vebo ic pd tj tstg value 25 60 3.0 16 150 1 200 -65 to +200 unit v v v a watts w/c c c thermal characteristics characteristics thermal resistance, junction to case (tc=70c) symbol r theta jc max 1 unit c/w electrical characteristics characteristics symbol min typ max unit off characteristics collector-emitter breakdown voltage (ic = 100ma, ib=0) collector-base breakdown voltage (ic=100ma, ie=0) emitter-base breakdown voltage (e=20ma, e=0) collector-emitter breakdown voltage (e=100ma, rbe=10 ohms v(br)ceo v(br)cbo v(br)ebo v(br)cer 25 60 3.0 55 v v v v on characteristics dc current gain (ic= 1 a, vce = 5v) hfe 20 150 dynamic characteristics output capacitance (vcb = 28v, ie=0, f =1 mhz) cob ? ... 150 pf
, o ne. 20 stern ave. springfield, new jersey 07081 u.s.a. telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 dynamic characteristics cont. characteristic common-emitter amplifier gain (vce=28v, pout=150w, f= 108mhz) collector efficiency (vce = 28v, pout=150w, f -108mhz) load mismatch (vce=28v, pout=150w, fm 08mhz) load vswr = 4:1, all phase angles symbol cob eff min 9.2 70 typ 75 max unit db % no degradation in output power \ a c a e h j k i minimum inchts/mm 1.000 0.3<5 / ??7 0 120 / 105 oj4-1 / t.-n o.as5 / 12^7 0.09? / j-h o ;m / ia.29 0 9/0 / m.? o.och / 0. 107 maximum inches/mm 75.4 umihuu 0.?? / 6 ? d.ijo / 3jo o?ia / 601 ttsoi / 1183 0 l/b / 4.45 0 102 / 7 m o./jo / i&54 09m / mm 0.006 / 0.1 w quality semi-conductors
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