| Ntho | Likaroloana | |
| Mefuta ea mocheso o sebetsang | -55~+105℃ | |
| Tekanyo ea motlakase o sebetsang | 6.3-100V | |
| Mefuta ea bokhoni | 1.2~270 uF 120Hz 20℃ | |
| Mamello ea bokhoni | ±20% (120Hz 20℃) | |
| Boleng ba tanjent ea tahlehelo | Ka tlase ho boleng bo lenaneng la dihlahiswa tse tlwaelehileng 120Hz 20℃ | |
| Ho dutla ha hona jwale※ | Litekanyetso tse latelang li thathamisitsoe bakeng sa lihlahisoa tse tloaelehileng. Tjhaja metsotso e 2 ka motlakase o lekantsoeng, 20°C | |
| Khanyetso ea letoto le lekanang (ESR) | Ka tlase ho boleng bo lenaneng la dihlahiswa tse tlwaelehileng 100kHz 20℃ | |
| Ho tšoarella | Sehlahisoa se lokela ho fihlela litlhoko tse latelang: ho 105°C, motlakase o sebetsang o lekantsoeng o lokela ho sebelisoa lihora tse 2000, ebe o beoa ho 20°C lihora tse 16. | |
| Sekhahla sa phetoho ea bokhoni | ± 20% ea boleng ba pele | |
| Khanyetso ea letoto le lekanang (ESR) | ≤150% ea boleng ba tlhaloso ea pele | |
| Boleng ba tanjent ea tahlehelo | ≤150% ea boleng ba tlhaloso ea pele | |
| Ho dutla ha hona jwale | ≤boleng ba tlhaloso ea pele | |
| Mocheso o phahameng le mongobo | Sehlahisoa se lokela ho fihlela maemo a latelang: ha ho motlakase o sebelisoang lihora tse 1000 ho 60℃ le mongobo oa 90% ~ 95%RH, 'me o behoe ho 20℃ lihora tse 16. | |
| Sekhahla sa phetoho ea bokhoni | ± 20% ea boleng ba pele | |
| Khanyetso ea letoto le lekanang (ESR) | ≤150% ea boleng ba tlhaloso ea pele | |
| Boleng ba tanjent ea tahlehelo | ≤150% ea boleng ba tlhaloso ea pele | |
| Ho dutla ha hona jwale | ho boleng ba tlhaloso ea pele | |
Litekanyo tsa Lihlahisoa (mm)
| D (± 0.5) | 4x5.7 | 4x7 | 3.55x11 | 4x11 |
| d (± 0.05) | 0.5 | 0.5 | 0.4 | 0.5 |
| F (± 0.5) | 1.5 | |||
| a | 0.3 | 0.5 | 1 | |
Ntlha ea ho lokisa maqhubu
| Maqhubu (Hz) | 120Hz | 1kHz | 10kHz | 100kHz | 500kHz |
| Ntlha ea Tokiso | 0.05 | 0.30 | 0.70 | 1.00 | 1.00 |
Ho nolofalletsa Bokgoni bo Phahameng le Botsitso: Li-capacitor tsa YMIN NPM Series Conductive Polymer Aluminium Solid Electrolytic
Mehleng ena ea kajeno ea dijithale e tsamaisoang ke data, litlhoko tse e-s'o ka li bonoa pele li behiloe holim'a ts'ebetso, botšepehi le matla a lisebelisoa tsa elektroniki. Ebang ke li-server tsa setsi sa data tse sebetsang motšehare le bosiu, kapa likoloi tse ncha tsa matla tse ntseng li hola ka potlako le lisebelisoa tsa othomathike tsa indasteri, botsitso le katleho ea lipotoloho tsa tsona tsa motlakase tsa mantlha li itšetlehile haholo ka likarolo tse bonahalang li le nyane empa e le tsa bohlokoa - li-capacitor. Li-capacitor tsa polymer aluminium tse tiileng tsa YMIN tsa NPM series conductive polymer aluminium solid electrolytic ke litharollo tsa maemo a holimo tse etselitsoeng ho tobana le liphephetso tsena tse thata. Ka litšobotsi tsa tsona tse phahameng tse kang ts'epo e phahameng, ESR e tlase, le motlakase o phahameng o lumellehang oa ripple, li fetohile khetho e ntle bakeng sa lits'ebetso tse ngata tsa maemo a holimo.
I. Litšobotsi tsa Bohlokoa: Ho Hlahloba Melemo ea Tekheniki ea Letoto la NPM
Ho utloisisa mefuta e mengata ea lits'ebetso tsa letoto la NPM, ho bohlokoa ho utloisisa pele litšobotsi tsa eona tse ikhethang tsa sehlahisoa, tse khethollang ka ho toba ts'ebetso ea eona lipotolohong tse rarahaneng.
1. Tiisetso e Hlollang ea ho Hanela Mocheso o Phahameng le Nako e Telele ea Bophelo (lihora tse 105℃ 2000)
Lihlahisoa tsa letoto la NPM li ka sebetsa ka botsitso ka har'a mocheso o moholo oa -55℃ ho isa ho +105℃. Boitlamo ba eona ba bohlokoa bo ho boloka liparamente tsa bohlokoa (tse kang phetoho ea capacitance, ESR, le tangent ea tahlehelo) ka har'a meeli e tiileng ea litlhaloso tsa tsona tsa pele kamora lihora tse 2000 tsa ts'ebetso e tsoelang pele ho 105°C tlas'a motlakase o lekantsoeng. "Tiisetso ena ea lihora tse 2000" ha se nako feela, empa ke ponts'o e tobileng ea ho tšoarella ha sehlahisoa le botsitso ba thepa, ho netefatsa hore ts'ebetso ea capacitor ha e fokotsehe ka potlako ha nako e ntse e ea libakeng tse nang le mocheso o phahameng joalo ka tse ka hare ho phepelo ea motlakase ea seva, e ntlafatsa haholo nako e mahareng pakeng tsa ho hloleha (MTBF) ea sistimi eohle.
2. Khanyetso ea Letoto le Lekanang ka Botlaase bo Phahameng (ESR)
ESR ke e 'ngoe ea matšoao a mantlha a ho lekanya ts'ebetso ea capacitor, e amang ka kotloloho phello ea ho sefa ea capacitor le ho iphuthumatsa. Letoto la NPM le sebelisa li-polymer tse tsoetseng pele tse tsamaisang motlakase e le li-electrolyte tse tiileng, tse nang le conductivity e fetang haholo ea li-electrolyte tsa metsi tsa setso, kahoo li fihlella ESR e tlase haholo. Ka maqhubu a phahameng a 100kHz (maqhubu a tloaelehileng a ts'ebetso ea phepelo ea motlakase ea sejoale-joale), boleng ba eona ba ESR bo ka tlase ho boleng bo boletsoeng lenaneng le tloaelehileng. ESR e tlase e bolela:
◦ Ho sefa maqhubu a phahameng ka ho fetisisa: Ho sefa ka katleho lerata la maqhubu a phahameng le hlahisoang ke phepelo ea motlakase o fetohang, ho fana ka motlakase oa DC o hloekileng le o tsitsitseng haholoanyane bakeng sa meroalo ea mantlha e kang CPU, GPU le memori.
◦ Ho iphuthumatsa ho tlase: Tlas'a maqhubu a phahameng a motlakase, tahlehelo ea motlakase (I²R) e bakoang ke ESR e nyane, 'me keketseho ea mocheso oa capacitor ka boeona e tlase, e leng se netefatsang ts'epo ea ts'ebetso ea nako e telele.
3. Bokhoni bo phahameng ba hona joale ba ripple bo mamellehang
Motlakase o ripple ke sesosa se seholo sa ho futhumatsa ha capacitor. Tšobotsi e phahameng ea motlakase o ripple o mamellehang oa letoto la NPM e o lumella ho mamella khatello e kholo ea motlakase le ho lula o tsitsitse. Sena se bohlokoa bakeng sa maemo a kang lisebelisoa tsa motlakase tsa seva le lisebelisoa tsa motlakase tsa seteishene sa puisano tse hlokang ho sebetsana le meroalo e matla, e matla ea motlakase o phahameng. Bokhoni ba motlakase o phahameng oa ripple bo bolela hore capacitor e le 'ngoe e ka etsa mosebetsi o moholo oa ho sefa, kapa, tlas'a litlhoko tse tšoanang tsa moralo, palo ea li-capacitor tse bapileng e ka fokotsoa, e leng se thusang ho ntlafatsa bongata ba matla a module ea motlakase.
4. Moralo o monyane haholo (bophara bo bonyenyane ba 3.55mm)
Ha disebediswa tsa elektroniki di ntse di hola ho ya ho miniaturization le ho ba le bongata bo boholo, sebaka sa PCB se bohlokwa haholo. Letoto la NPM le fana ka mefuta e fapaneng ya boholo bo kopaneng ho tloha ho 4x5.7mm ho isa ho 3.55x11mm, e fanang ka ho tenyetseha ho hoholo bakeng sa sebopeho sa diboto tsa mama tsa phepelo ya motlakase tse nang le bongata bo boholo (jwalo ka diboto tsa mama tsa seva, dikarete tsa ditshwantsho le dikhomphutha tse nyane), ho nolofalletsa meralo ya disebediswa tse nyane haholo.
5. Ho latela RoHS, ho fihlela litlhoko tsa tikoloho
Lihlahisoa tsena li latela ka botlalo taelo ea RoHS, ha li na loto ebile li mosa tikolohong, li fihlela melao ea tikoloho ea 'maraka oa lefats'e 'me li tlosa litšitiso tsa ho romela kantle ho naha limmarakeng tsa machabeng.
II. Libaka tsa Bohlokoa tsa Ts'ebeliso: Kamoo Letoto la NPM le Sebetsang Kateng
1. Sistimi ea Matla ea Seva le Setsi sa Lintlha - "Mohlokomeli" oa Ts'ebetso e Tsitsitseng
Li-server ke motheo oa moruo oa dijithale, 'me litsamaiso tsa tsona tsa matla li tlameha ho fihlela litlhoko tsa ts'ebetso e sa sitisoeng ea 24/7, e sebetsang hantle haholo, le e tsitsitseng haholo. Li-capacitor tsa letoto la NPM li bapala karolo e ke keng ea nkeloa sebaka tšimong ena:
• Motherboard CPU/GPU VRM (Module ea Motlakase oa Voltage): Li-CPU le li-GPU tsa seva sa sejoale-joale li na le mefuta e mengata ea tšebeliso ea matla, e hlokang karabelo e phahameng haholo ea nakoana ho tsoa phepelong ea motlakase. Li-circuits tsa VRM hangata li sebelisa meralo ea Buck ea mekhahlelo e mengata, e hlokang palo e kholo ea li-capacitor lipheletsong tsa ho kenya le ho ntša bakeng sa polokelo ea matla le ho a arola. Litšobotsi tse tlase tsa ESR le li-ripple current tsa letoto la NPM li li nolofalletsa ho arabela ka potlako liphetohong tse matla tsa mojaro, li fana ka motlakase o phahameng oa hang-hang ho CPU/GPU ha ka nako e ts'oanang li thibela liphetoho tsa motlakase le lerata ka katleho. Sena se netefatsa ts'ebetso e tsitsitseng ea motheo oa k'homphieutha 'me se thibela nako ea ho se sebetse kapa liphoso tsa data tse bakoang ke ho se tsitse ha motlakase.
• Yuniti ea Phepelo ea Motlakase (PSU): Lehlakoreng la mantlha (potoloho ea PFC) le lehlakoreng la bobeli (potoloho ea phetoho ea DC-DC) ea seva PSU, letoto la NPM le ka sebelisoa bakeng sa ho sefa tlhahiso. Litšobotsi tsa lona tsa mocheso o phahameng le bophelo bo bolelele li sebetsana ka kotloloho le tikoloho ea mocheso o phahameng ka hare ho PSU, ho netefatsa botšepehi ba nako e telele ba phepelo ea motlakase ka boeona le ho fokotsa litšenyehelo tsa ts'ebetso le tlhokomelo ea setsi sa data.
• Solid State Drive (SSD): Dipotoloho tsa taolo ya matla tsa di-SSD tsa maemo a hodimo tsa kgwebo le tsona di hloka di-capacitor tse sebetsang hantle. Dibopeho tse nyane tsa NPM le tsa ESR tse tlase di loketse diboto tsa SSD tse nang le sebaka se fokolang, di fana ka matla a hlwekileng ho memori ya flash ya NAND le molaoli ya ka sehloohong.
2. Boiketsetso ba Liindasteri le Matla a Elektroniki – Molekane ea Tšepahalang Litikolohong tse Mabifi
Libaka tsa indasteri hangata li khetholloa ka mocheso o phahameng, ho thothomela, le nako e telele ea ts'ebetso e tsoelang pele. Letoto la NPM le ipabola tšimong ena:
• Li-Inverter le Li-Drive tsa Servo: Jwalo ka di-capacitor tsa sefe bakeng sa diphetho tsa potoloho ya inverter, letoto la NPM le ka mamella maqhubu a maqhubu a phahameng, a phahameng a maqhubu a ripple a hlahiswang nakong ya ho qala ha enjene, ho tima, le diphetoho tsa lebelo. ESR e tlase e thusa ho fokotsa tahlehelo ya ho tjhentjha le ho ntlafatsa bokgoni ba ho kganna.
• Likhomphutha tsa indasteri le li-PLC (Balaoli ba Logic ba ka hlophisoang): Ho netefatsa phepelo e tsitsitseng ea motlakase ho ea bohareng ba taolo libakeng tsa indasteri tse nang le lerōle le phahameng, ho thothomela le ho feto-fetoha ha mocheso, ho ntlafatsa ts'epo ea sistimi eohle ea othomathike.
• Tlhahiso e Ncha ea Matla (Li-Inverter tsa Photovoltaic, Li-Converter tsa Matla a Moea): Lisebelisoang tse sebetsang libakeng tsena tse thata tsa kantle, nako e telele ea bophelo le botsitso ba mocheso o phahameng ba li-capacitor li bohlokoa ho netefatsa katleho ea tlhahiso ea motlakase oa sistimi le nako ea bophelo.
3. Meralo ea Motheo ea Lisebelisoa tsa Puisano – “Lejoe la Sekhutlo” bakeng sa Matšoao a Hlakileng
• Liteishene tsa Motheo tsa 5G (AAU, BBU): Liteishene tsa motheo tsa 5G li sebelisa matla a mangata 'me hangata li kenngoa likhaboteng tsa kantle, li tobana le mathata a mocheso o phahameng. Li-module tsa motlakase tsa seteishene sa motheo le lipotoloho tsa amplifier ea matla a RF li hloka li-capacitor tse sebetsang hantle bakeng sa ho sefa matla; botšepehi bo phahameng ba letoto la NPM bo etselitsoe lits'ebetso tse joalo tse boima.
• Li-router le Liswitch: Lisebelisoa tsa marang-rang a mantlha li sebetsana le phapanyetsano e kholo ea data, 'me botšepehi ba matla a eona a ka hare bo bohlokoa bakeng sa ho netefatsa marang-rang a lebelo le phahameng le a latency e tlase.
4. Di-elektronike tsa Dikoloi – Matla a Ntseng a Hola ho ya Bokamosong
Leha dieleketeroniki tsa dikoloi di na le maemo a thata a AEC-Q bakeng sa dikarolo, dibopeho tsa tekheniki tse bontshwang ke letoto la NPM, tse kang mefuta e fapaneng ya mocheso, nako e telele ya bophelo, le ho tshepahala ho hoholo, ke tsona tseo dieleketeroniki tsa dikoloi di di batlang. Ditshebedisong tse seng tsa bohlokwa empa tse hlokang boiteko bo boholo tse kang ditjhaja tse ka hara sekepe (OBCs), di-converter tsa DC-DC tse ka hara sekepe, le ditsamaiso tse tswetseng pele tsa thuso ya bakganni (ADAS), di-capacitor tsa polymer tse tsamaisang motlakase tse nang le theknoloji ya NPM di bontsha bokgoni bo boholo ba tshebediso.
5. Lisebelisoa tsa Elektroniki tsa Bareki ba Maemo a Holimo – Bahale ba sa Bitsoang ba Phehello ea Ts'ebetso
• Likarete tsa Litšoantšo tsa Boemo bo Holimo: Potoloho ea VRM ea likarete tsa litšoantšo e na le litlhoko tse phahameng haholo bakeng sa ts'ebetso ea capacitor. Letoto la NPM le thusa likarete tsa litšoantšo ho boloka botsitso ba motlakase tlas'a meroalo e phahameng (joalo ka papali ea chelete le ho etsa litšoantšo), ho ntlafatsa bokhoni ba ho sebelisa overclocking.
• Li-Laptop le Li-PC tse Nyenyane ka ho Fetisisa: Ha li ntse li phehella ho ba tšesaane le ho ba bobebe haholo, ntle le ho tela botsitso ba ts'ebetso, boholo bo bonyenyane le litšobotsi tse phahameng tsa ts'ebetso ea NPM li fihlela tlhoko ena ka botlalo.
III. Tataiso ea Khetho le Tšehetso ea Tekheniki
Letoto la NPM la Yongming le fana ka mefuta e mengata ea lihlahisoa, joalo ka NPMA0540J101MJTM (6.3V, 100μF) le NPMW1101E101MJTM (25V, 100μF), tse koahelang mefuta e mengata ea motlakase ho tloha ho 6.3V ho isa ho 100V le mefuta e mengata ea capacitance ho tloha ho 1.2μF ho isa ho 270μF. Baenjiniere ba ka latela mehato ena ha ba khetha sehlahisoa:
1. Fumana litlhoko tsa potoloho: motlakase o sebetsang, capacitance e hlokahalang, hona joale e phahameng ka ho fetisisa ea ripple, le mocheso o sebetsang oa tikoloho.
2. Lekola lithibelo tsa sebaka: Khetha motsoako o loketseng oa bophara (D) le bophahamo (H) ho latela sebopeho sa PCB.
3. Sheba diparamente tsa tshebetso: Tsepamisa maikutlo hodima boleng ba ESR, hona jwale ho dutlang ho dumelletsweng, le hona jwale ho dutla ha mehlala e itseng ka hara lethathamo la dihlahiswa ho netefatsa hore di fihlela meedi ya moralo.
YMIN Electric provides engineers with comprehensive technical information and a strong technical support team (contact email: ymin-sale@ymin.com), offering personalized selection advice and solutions based on specific application scenarios.
Qetello
Li-capacitor tsa aluminium tse tiileng tsa polymer tse tsamaisang motlakase tsa YMIN tsa NPM, tse nang le botsitso bo phahameng le nako e telele ea bophelo tlas'a maemo a mocheso o phahameng, maqhubu a phahameng, le maqhubu a phahameng a hona joale, li fetile karolo ea li-capacitor tsa setso, tsa fetoha "karolo ea bohlokoa" e netefatsang mohloli oa matla oa lisebelisoa tsa elektroniki tsa maemo a holimo. Ho tloha litsing tsa data tse tšehetsang k'homphieutha ea leru ho ea methating ea tlhahiso ea indasteri e khannang tlhahiso e bohlale, le marang-rang a puisano a hokahanyang ntho e 'ngoe le e 'ngoe, letoto la NPM, ka motheo oa lona o tiileng oa botekgeniki le boleng bo tšepahalang ba sehlahisoa, le matlafatsa phetoho ea dijithale le bohlale ea liindasteri tse fapaneng ka khutso, e leng se etsang hore e be molekane ea tšepahalang bakeng sa baenjiniere ba phehellang ts'ebetso e phahameng le ts'epo.
| Khoutu ea Lihlahisoa | Mocheso o Sebetsang (℃) | Tekanyo ea Voltage (V.DC) | Bokgoni (uF) | Bophara(mm) | Bolelele(mm) | Ho dutla ha hona jwale (uA) | Bophelo (Lihora) |
| NPMA0540J101MJTM | -55~105 | 6.3 | 100 | 4 | 5.4 | 300 | 2000 |
| NPMA0700J151MJTM | -55~105 | 6.3 | 150 | 4 | 7 | 300 | 2000 |
| NPMW1100J221MJTM | -55~105 | 6.3 | 220 | 3.55 | 11 | 300 | 2000 |
| NPMA1100J271MJTM | -55~105 | 6.3 | 270 | 4 | 11 | 415 | 2000 |
| NPMA0541A680MJTM | -55~105 | 10 | 68 | 4 | 5.4 | 300 | 2000 |
| NPMA0701A101MJTM | -55~105 | 10 | 100 | 4 | 7 | 300 | 2000 |
| NPMW1101A121MJTM | -55~105 | 10 | 120 | 3.55 | 11 | 300 | 2000 |
| NPMA1101A181MJTM | -55~105 | 10 | 180 | 4 | 11 | 440 | 2000 |
| NPMA0541C390MJTM | -55~105 | 16 | 39 | 4 | 5.4 | 300 | 2000 |
| NPMA0701C560MJTM | -55~105 | 16 | 56 | 4 | 7 | 300 | 2000 |
| NPMW1101C680MJTM | -55~105 | 16 | 68 | 3.55 | 11 | 300 | 2000 |
| NPMA1101C101MJTM | -55~105 | 16 | 100 | 4 | 11 | 384 | 2000 |
| NPMA0541E220MJTM | -55~105 | 25 | 22 | 4 | 5.4 | 300 | 2000 |
| NPMA0701E330MJTM | -55~105 | 25 | 33 | 4 | 7 | 300 | 2000 |
| NPMW1101E470MJTM | -55~105 | 25 | 47 | 3.55 | 11 | 300 | 2000 |
| NPMA1101E680MJTM | -55~105 | 25 | 68 | 4 | 11 | 340 | 2000 |
| NPMA0541V180MJTM | -55~105 | 35 | 18 | 4 | 5.4 | 300 | 2000 |
| NPMA0701V220MJTM | -55~105 | 35 | 22 | 4 | 7 | 300 | 2000 |
| NPMW1101V330MJTM | -55~105 | 35 | 33 | 3.55 | 11 | 300 | 2000 |
| NPMA1101V560MJTM | -55~105 | 35 | 56 | 4 | 11 | 329 | 2000 |
| NPMA0541H6R8MJTM | -55~105 | 50 | 6.8 | 4 | 5.4 | 300 | 2000 |
| NPMW1101H120MJTM | -55~105 | 50 | 12 | 3.55 | 11 | 300 | 2000 |
| NPMA0701H100MJTM | -55~105 | 50 | 10 | 4 | 7 | 300 | 2000 |
| NPMA1101H220MJTM | -55~105 | 50 | 22 | 4 | 11 | 300 | 2000 |
| NPMA0541J5R6MJTM | -55~105 | 63 | 5.6 | 4 | 5.4 | 300 | 2000 |
| NPMA0701J8R2MJTM | -55~105 | 63 | 8.2 | 4 | 7 | 300 | 2000 |
| NPMW1101J100MJTM | -55~105 | 63 | 10 | 3.55 | 11 | 300 | 2000 |
| NPMA1101J150MJTM | -55~105 | 63 | 15 | 4 | 11 | 300 | 2000 |
| NPMA0541K2R7MJTM | -55~105 | 80 | 2.7 | 4 | 5.4 | 300 | 2000 |
| NPMA0701K4R7MJTM | -55~105 | 80 | 4.7 | 4 | 7 | 300 | 2000 |
| NPMW1101K5R6MJTM | -55~105 | 80 | 5.6 | 3.55 | 11 | 300 | 2000 |
| NPMA1101K8R2MJTM | -55~105 | 80 | 8.2 | 4 | 11 | 300 | 2000 |
| NPMA0542A1R8MJTM | -55~105 | 100 | 1.8 | 4 | 5.4 | 300 | 2000 |
| NPMA0702A2R2MJTM | -55~105 | 100 | 2.2 | 4 | 7 | 300 | 2000 |
| NPMW1102A3R3MJTM | -55~105 | 100 | 3.3 | 3.55 | 11 | 300 | 2000 |
| NPMA1102A4R7MJTM | -55~105 | 100 | 4.7 | 4 | 11 | 300 | 2000 |
| NPMW1101E101MJTM | -55~105 | 25 | 100 | 3.55 | 11 | 500 | 2000 |
| NPMA0901C121MJTM | -55~105 | 16 | 120 | 4 | 9 | 384 | 2000 |
| NPMA1101C221MJTM | -55~105 | 16 | 220 | 4 | 11 | 704 | 2000 |
| NPMA1101E101MJTM | -55~105 | 25 | 100 | 4 | 11 | 500 | 2000 |
| NPMA1101E121MJTM | -55~105 | 25 | 120 | 4 | 11 | 600 | 2000 |
| NPMA0701E680MJTM | -55~105 | 25 | 68 | 4 | 7 | 340 | 2000 |
| NPMA0901E680MJTM | -55~105 | 25 | 68 | 4 | 9 | 340 | 2000 |
| NPMA0700J221MJTM | -55~105 | 6.3 | 220 | 4 | 7 | 300 | 2000 |
