Ho isa ho 247 matla a ho hanyetsa matla ke 100W-150W

To-247 matla a hanyetsanang le EAK bakeng sa baenjiniere ba meralo ho fana ka sephutheloana se tsitsitseng sa mofuta oa transistor ea lisebelisoa tse matla tse matla, matla ke 100W-150W.
Li-resistors tsena li etselitsoe lits'ebetso tse hlokang ho nepahala le botsitso.Mohanyetsi o entsoe ka lera la alumina ceramic le arolang ntho e hanyetsanang le poleiti e ntseng e hola.

Eak e bopehileng ho TO-247 e teteaneng ea matla a ho hanyetsa filimi
Mohaho ona o fana ka khanyetso e tlase haholo ea mocheso ha o ntse o netefatsa khanyetso e phahameng ea insulation pakeng tsa terminal le mokokotlo oa tšepe.Ka lebaka leo, li-resistance tsena li na le inductance e tlaase haholo, e leng se etsang hore li tšoanelehe bakeng sa lisebelisoa tse phahameng tsa maqhubu le lebelo le phahameng.
Ho hanyetsa ho tloha ho 0.1Ω ho isa ho 1 MΩ, mocheso oa ho sebetsa: -55 ° C ho ea + 175 ° C.
EAK e tla boela e hlahise lisebelisoa tse fetang lintlha tsena ho fihlela litlhoko tsa bareki.Lisebelisoa tsa motlakase tsa EAK li latela litekanyetso tsa ROHS, li sebelisa pheliso e se nang lead.
Likaroloana:
■ 100 W matla a ho sebetsa
■ TO-247 tlhophiso ea sephutheloana
■ Ho kenya sekerufu se le seng ho nolofatsa ho khomarela sinki ea mocheso
■Moqapi o sa tsitsang
■ ROHS e lumellana
■ Lisebelisoa ho latela UL 94 V-0
M3 screw mount ho radiator.Sebaka se bōpiloeng se fana ka tšireletso 'me ho bonolo ho se kenya.Non-inductive design, motlakase o arolang matlo.
Kopo:
■Khanyetso ea terminal ho RF amplifier ea matla
■ Low eneji pulse load, grid resistor phepelong ea motlakase
■ UPS, li-buffers, li-voltage regulator, li-resistors tsa mojaro le tsa ho lahla ho li-monitor tsa CRT

Maemo a khanyetso: 0.05 Ω ≤ 1 MΩ (litekanyetso tse ling ka kopo e khethehileng)
Mamello ea Khanyetso: ± 1 0% ho ± 1%
Thempereichara Coefficient:≥ 10 Ω: ±50 ppm/°C e lebisitsoe ho 25 °C, ΔR e nkuoa ho +105°C
(TCR e 'ngoe ka kopo e khethehileng ea boleng bo fokolang ba ohmic)
Tekanyo ea matla: 100 W ho 25°C mocheso o tlase o fokotsehile ho 0 W ho 175°C
Matla a phahameng a ho sebetsa: 350 V , max.500 V ka kopo e khethehileng
Matla a matla a dielectric: 1,800 V AC
Khanyetso ea insulation:> 10 GΩ ho 1,000 V DC
Matla a dieletric: MIL-STD-202, mokhoa oa 301 (1,800 V AC, 60 sec.) ΔR<±(0.15 % + 0.0005 Ω)
Nako ea bophelo: MIL-R-39009D 4.8.13, lihora tse 2,000 ka matla a lekantsoeng, ΔR<±(1.0 % + 0.0005 Ω)
Ho hanyetsa mongobo: -10°C ho ea +65°C, RH> 90 % potoloho 240 h, ΔR<±(0.50 % + 0.0005 Ω)
Thermalshock: MIL-STD-202, mokhoa oa 107, Cond.F, ΔR = (0.50 % + 0.0005Ω) max
Boemo ba mocheso o sebetsang: -55°C ho ea ho +175°C
Terminalstrength:MIL-STD-202, mokhoa oa 211, Cond.A (Ho Hula Teko) 2.4 N, ΔR = (0.5 % + 0.0005Ω)
Ho sisinyeha, maqhubu a phahameng: MIL-STD-202, mokhoa oa 204, Cond.D, ΔR = (0.4 % + 0.0005Ω)
Lintho tse ka sehloohong: koporo e entsoeng ka makotikoti
Torque: 0.7 Nm ho isa ho 0.9 Nm M4 ho sebelisa sekoti sa M3 le mokhoa oa ho tiisa oahser
Ho hanyetsa mocheso ho poleiti e pholileng:Rth<1.5 K/W
Boima ba 'mele: ~ 4 g

Tataiso ea Kopo ea li-resistors tsa lifilimi tsa Radiator Mounted Power
Tseba mocheso le lintlha tsa matla:

Setšoantšo sa 1-utloisisa mocheso le tekanyo ea matla
Kopano ea lisebelisoa tse tsamaisang mocheso:
1, Ho na le lekhalo ka lebaka la phetoho sebakeng sa ho nyalana pakeng tsa sephutheloana sa resistor le radiator.Li-voids tsena li tla fokotsa haholo ts'ebetso ea thepa ea mofuta oa TO.Ka hona, tšebeliso ea lisebelisoa tsa mocheso oa mocheso ho tlatsa likheo tsena tsa moea ke tsa bohlokoa haholo.Lisebelisoa tse 'maloa li ka sebelisoa ho fokotsa khanyetso ea mocheso pakeng tsa mohanyetsi le bokaholimo ba radiator.
2,Grisi ea silicone e tsamaisang mocheso ke motsoako oa likaroloana tse tsamaisang mocheso le maro a kopanang ho etsa sebopeho se ts'oanang le sa mafura.Mokelikeli ona hangata ke oli ea silicone, empa hona joale ho na le oli e ntle haholo ea "Non-silicon" e futhumatsang mocheso oa silicone.Li-resin tsa silicone tsa thermally conductive li 'nile tsa sebelisoa ka lilemo tse ngata' me hangata li na le khanyetso e tlaase ka ho fetisisa ea mocheso oa thepa eohle e fumanehang ea thermally conductive.
3, Li-gaskets tse tsamaisang mocheso li nka sebaka sa silicone e tsamaisang mocheso 'me li fumaneha ho tsoa ho bahlahisi ba bangata.Lipampitšana tsena li na le lakane kapa sebopeho se sehiloeng pele 'me li etselitsoe mefuta e fapaneng ea liphutheloana tse tloaelehileng tse kang TO-220 le To-247.The mocheso conduction gasket ke lintho tse bonahalang spongy, hloka khatello e tšoanang le tshebetso e tiileng ho khona ho sebetsa ka tloaelo.
Khetho ea likarolo tsa hardware:
Hardware e nepahetseng ke taba ea bohlokoa haholo molemong oa moralo o motle oa ho pholisa.Thepa e tlameha ho boloka khatello e tiileng le e ts'oanang holim'a lisebelisoa ka ho palama libaesekele ntle le ho sotha radiator kapa lisebelisoa.
Baqapi ba bangata ba khetha HO hokela DeMint HO mohanyetsi oa matla HO radiator ka sekotwana sa selemo ho fapana le kopano ea screw.Likarolo tsena tsa selemo li fumaneha ho tsoa ho bahlahisi ba bangata ba fanang ka liliba tse ngata tse tloaelehileng le li-radiator tse etselitsoeng ka ho khetheha ho kenya li-clip ho liphutheloana tsa TO-220 le To-247.Sekoahelo sa selemo se na le melemo e mengata eo ho leng bonolo ho e kopanya, empa molemo oa eona o moholo ke hore e lula e fana ka matla a molemo ka ho fetisisa bohareng ba mochine o thibelang matla (sheba setšoantšo sa 2)

Setšoantšo sa 3-screw le washer mounting technique
Screw Mounting-belleville kapa li-washer tse tapered tse sebelisoang ka li-screw ke mokhoa o sebetsang oa ho hokela radiator.Li-washer tsa Belleville ke li-washer tsa selemo tse tapered tse etselitsoeng ho boloka khatello e sa feleng holim'a mefuta e mengata ea ho kheloha.Li-gaskets li ka mamella potoloho ea nako e telele ea mocheso ntle le liphetoho tsa khatello.Setšoantšo sa 3 se bonts'a tse ling tsa meralo e tloaelehileng ea li-hardware bakeng sa ho kenya sekoti sa sephutheloana sa TO HO radiator.Li-washer tse hlakileng, li-washer tsa linaleli, le li-washer tse ngata tse arohaneng ha lia lokela ho sebelisoa sebakeng sa li-washer tsa Belleville kaha ha li fane ka khatello e ntseng e eketseha 'me li ka senya mohanyetsi.
Lintlha tsa Kopano:
1, Qoba ho sebelisa lihanyetsi tsa motlakase tsa TO ho likopano tsa SMT.
2, Lisebelisoa tsa polasetiki tse kenyang polasetiki tse nolofatsang kapa tse thellang ka mocheso o phahameng oa ts'ebetso li tlameha ho qojoa
3, Se ke oa lumella hlooho ea screw ho ama mohanyetsi.Sebelisa li-washer tse hlakileng kapa li-washer tse nang le tapered ho arola matla ka ho lekana
4, Qoba li-screws tsa sheet metal, tse atisang ho phutha mathōko a masoba le ho etsa li-burrs tse senyang ka har'a radiator.
5, Li-Rivets ha li khothalletsoe.Ho sebelisa li-rivets ho thata ho boloka khatello e tsitsitseng mme ho ka senya liphutheloana tsa polasetiki habonolo
6, U se ke ua fetelletsa torque.Haeba sekoti se le thata haholo, sephutheloana se ka 'na sa robeha qetellong ea sekoti (sekoti sa pele) kapa se na le tšekamelo ea ho khumama holimo.Lisebelisoa tsa pneumatic ha li khothalletsoe.