Cov kev tsis tseem ceeb
| Khoom | yam ntxwv | |||||||||
| Qhov kub thiab txias ua haujlwm ntau yam | -25 ~ + 130 ℃ | |||||||||
| Qhov ntau ntawm lub zog nominal | 200-500V | |||||||||
| Kev kam rau siab ntawm lub peev xwm | ±20% (25±2℃ 120Hz) | |||||||||
| Tam sim no xau (uA) | 200-450WV | ≤0.02CV + 10 (uA) C: lub peev xwm nominal (uF) V: lub zog ntsuas (V) nyeem ntawv 2 feeb | |||||||||
| Tus nqi poob tangent (25 ± 2 ℃ 120Hz) | Qhov ntsuas hluav taws xob (V) | 200 | 250 | 350 | 400 | 450 | ||||
| tg δ | 0.15 | 0.15 | 0.1 | 0.2 | 0.2 | |||||
| Rau lub peev xwm nominal tshaj 1000uF, qhov poob tangent nqi nce ntxiv los ntawm 0.02 rau txhua 1000uF nce. | ||||||||||
| Cov yam ntxwv kub (120Hz) | Qhov ntsuas hluav taws xob (V) | 200 | 250 | 350 | 400 | 450 | 500 | |||
| Qhov piv ntawm impedance Z(-40℃)/Z(20℃) | 5 | 5 | 7 | 7 | 7 | 8 | ||||
| Kev ruaj khov | Hauv qhov cub 130 ℃, siv lub zog ntsuas nrog lub zog ntsuas tam sim no rau lub sijhawm teev tseg, tom qab ntawd muab tso rau hauv chav sov rau 16 teev thiab sim. Qhov kub ntawm kev sim yog 25 ± 2 ℃. Kev ua haujlwm ntawm lub capacitor yuav tsum ua tau raws li cov hauv qab no. | |||||||||
| Tus nqi hloov pauv ntawm lub peev xwm | 200~450WV | Tsis pub dhau ±20% ntawm tus nqi pib | ||||||||
| Tus nqi tangent ntawm lub kaum sab xis poob | 200~450WV | Qis dua 200% ntawm tus nqi teev tseg | ||||||||
| Tam sim no xau | Hauv qab tus nqi teev tseg | |||||||||
| Lub neej thauj khoom | 200-450WV | |||||||||
| Qhov Loj | Lub neej thauj khoom | |||||||||
| DΦ≥8 | 130 ℃ 2000 teev | |||||||||
| 105 ℃ 10000 teev | ||||||||||
| Kev khaws cia kub siab | Khaws cia rau ntawm 105 ℃ rau 1000 teev, tso rau ntawm chav sov rau 16 teev thiab sim ntawm 25 ± 2 ℃. Kev ua tau zoo ntawm lub capacitor yuav tsum ua tau raws li cov hauv qab no | |||||||||
| Tus nqi hloov pauv ntawm lub peev xwm | Tsis pub dhau ±20% ntawm tus nqi pib | |||||||||
| Tus nqi tangent poob | Qis dua 200% ntawm tus nqi teev tseg | |||||||||
| Tam sim no xau | Qis dua 200% ntawm tus nqi teev tseg | |||||||||
Qhov Loj (Chav: hli)
| L=9 | ib = 1.0 |
| L≤16 | ib = 1.5 |
| L>16 | ib = 2.0 |
| D | 5 | 6.3 | 8 | 10 | 12.5 | 14.5 |
| d | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.8 |
| F | 2 | 2.5 | 3.5 | 5 | 7 | 7.5 |
Cov coefficient ntawm kev them nyiaj tam sim no ntawm ripple
①Qhov ntsuas qhov zaus kho
| Zaus (Hz) | 50 | 120 | 1K | 10K ~ 50K | 100K |
| Qhov kho kom raug | 0.4 | 0.5 | 0.8 | 0.9 | 1 |
② Cov coefficient kho qhov kub
| Kub (℃) | 50 ℃ | 70 ℃ | 85℃ | 105℃ |
| Qhov Kho Kom Zoo | 2.1 | 1.8 | 1.4 | 1 |
Daim Ntawv Teev Cov Khoom Txheem
| Cov koob | Volt (V) | Capacitance (μF) | Qhov Loj D × L (hli) | Kev cuam tshuam (Ωmax / 10 × 25 × 2 ℃) | Tam sim no ntws(mA rms/105 × 100KHz) |
| LED | 400 | 2.2 | 8 × 9 | 23 | 144 |
| LED | 400 | 3.3 | 8 × 11.5 | 27 | 126 |
| LED | 400 | 4.7 | 8 × 11.5 | 27 | 135 |
| LED | 400 | 6.8 | 8 × 16 | 10.50 | 270 |
| LED | 400 | 8.2 | 10 × 14 | 7.5 | 315 |
| LED | 400 | 10 | 10 × 12.5 | 13.5 | 180 |
| LED | 400 | 10 | 8 × 16 | 13.5 | 175 |
| LED | 400 | 12 | 10 × 20 | 6.2 | 490 |
| LED | 400 | 15 | 10 × 16 | 9.5 | 280 |
| LED | 400 | 15 | 8 × 20 | 9.5 | 270 |
| LED | 400 | 18 | 12.5 × 16 | 6.2 | 550 |
| LED | 400 | 22 | 10 × 20 | 8.15 | 340 |
| LED | 400 | 27 | 12.5 × 20 | 6.2 | 1000 |
| LED | 400 | 33 | 12.5 × 20 | 8.15 | 500 |
| LED | 400 | 33 | 10 × 25 | 6 | 600 |
| LED | 400 | 39 | 12.5 × 25 | 4 | 1060 |
| LED | 400 | 47 | 14.5 × 25 | 4.14 | 690 |
| LED | 400 | 68 | 14.5 × 25 | 3.45 | 1035 |
Hauv kev lag luam hluav taws xob niaj hnub no uas hloov pauv sai sai, kev ntseeg tau ntawm cov khoom siv thiab kev ua tau zoo yog qhov tseem ceeb heev. YMIN Electronics cov koob ntawm LED txhuas electrolytic capacitors yog tsim los rau kev siv ua haujlwm siab hauv cov chaw ib puag ncig hnyav, tshwj xeeb tshaj yog hauv teeb pom kev zoo, cov khoom siv fais fab kev lag luam, thiab cov khoom siv hluav taws xob hauv tsheb.
Cov yam ntxwv zoo ntawm cov khoom
Peb cov aluminium electrolytic capacitors, tsim los ntawm kev siv cov kua electrolyte thev naus laus zis thiab cov khoom siv zoo, muaj ntau yam zoo heev. Lawv ua haujlwm ruaj khov ntawm qhov kub thiab txias ntawm -25 ° C txog + 130 ° C, thiab muaj qhov ntsuas hluav taws xob ntawm 200-500V, ua tau raws li qhov xav tau ntawm feem ntau cov ntawv thov hluav taws xob siab. Kev kam rau siab ntawm capacitance raug tswj hwm hauv ± 20%, ua kom ntseeg tau tias muaj kev tseeb thiab sib xws hauv kev tsim hluav taws xob.
Qhov tseem ceeb tshaj plaws yog lawv qhov kev ua haujlwm kub siab: lawv muab kev ua haujlwm tas mus li rau 2,000 teev ntawm 130 ° C thiab txog li 10,000 teev ntawm 105 ° C. Qhov kev tiv taus kub siab no ua rau lawv tsim nyog rau cov ntawv thov teeb pom kev zoo LED kub siab, xws li teeb pom kev zoo ntawm txoj kev, teeb pom kev lag luam, thiab cov teeb pom kev zoo sab hauv tsev.
Cov Lus Qhia Txog Kev Siv Tshuab Nruj
Peb cov khoom ua tau raws li cov qauv AEC-Q200 thiab ua raws li RoHS, qhia txog peb txoj kev cog lus rau ob qho tib si zoo thiab kev tiv thaiv ib puag ncig. Cov dej xau qis heev, ua raws li tus qauv ntawm ≤0.02CV + 10 (uA), qhov twg C yog lub peev xwm nominal (uF) thiab V yog lub zog ntsuas (V). Tus nqi poob tangent tseem nyob nruab nrab ntawm 0.1-0.2 nyob ntawm lub zog. Txawm tias rau cov khoom uas muaj lub peev xwm tshaj 1000uF, qhov nce tsuas yog 0.02 rau txhua 1000uF ntxiv.
Cov capacitors kuj muaj cov yam ntxwv zoo heev ntawm impedance ratio, tswj qhov impedance ratio ntawm 5-8 hauv qhov kub thiab txias ntawm -40 ° C txog 20 ° C, ua kom muaj kev ua tau zoo txawm tias nyob rau hauv qhov chaw kub qis. Kev sim ua kom ruaj khov qhia tau tias tom qab raug rau qhov ntsuas voltage thiab ripple current ntawm 130 ° C, qhov kev hloov pauv capacitance tseem nyob hauv ± 20% ntawm tus nqi pib, thaum qhov poob tangent tus nqi thiab leakage current yog ob qho tib si tsawg dua 200% ntawm cov nqi teev tseg.
Cov Ntawv Thov Dav Dav
Cov Tsav Tsheb Teeb LED
Peb cov capacitors yog tsim tshwj xeeb rau cov khoom siv fais fab LED tsav tsheb, lim tau zoo suab nrov thiab muab lub zog DC ruaj khov. Txawm siv rau hauv teeb pom kev zoo sab hauv tsev lossis teeb pom kev zoo sab nraum zoov, lawv ua kom muaj kev ua haujlwm ruaj khov mus sij hawm ntev thiab txo cov nqi txij nkawm.
Cov Tshuab Fais Fab Kev Lag Luam
Hauv kev lag luam fais fab, peb cov khoom siv tau rau hauv cov khoom siv xws li cov khoom siv fais fab hloov pauv, cov inverters, thiab cov hloov zaus. Lawv cov yam ntxwv ESR qis pab txo qhov poob hluav taws xob thiab txhim kho kev ua haujlwm ntawm lub cev tag nrho.
Tsheb Khoom Siv Hluav Taws Xob
Kev ua raws li cov qauv AEC-Q200 ua rau peb cov khoom ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv hluav taws xob hauv tsheb thiab tsim nyog rau cov ntawv thov xws li cov tshuab fais fab onboard, ECU tswj units, thiab LED teeb pom kev zoo.
Cov Khoom Siv Sib Txuas Lus
Hauv cov chaw nres tsheb sib txuas lus thiab cov khoom siv, peb cov capacitors muab kev lim dej fais fab ruaj khov, ua kom muaj cov teeb liab sib txuas lus meej thiab ruaj khov.
Cov Lus Qhia Txog Khoom Tag Nrho
Peb muaj ntau yam khoom siv, xws li 2.2μF txog 68μF ntawm 400V. Piv txwv li, tus qauv 400V/2.2μF loj 8 × 9 hli, muaj qhov siab tshaj plaws impedance ntawm 23Ω, thiab ripple current ntawm 144mA. Tus qauv 400V/68μF loj 14.5 × 25 hli, muaj qhov impedance ntawm tsuas yog 3.45Ω, thiab ripple current ntawm txog li 1035mA. Cov khoom sib txawv no ua rau cov neeg siv khoom xaiv tau cov khoom tsim nyog tshaj plaws rau lawv cov kev xav tau tshwj xeeb.
Kev Tswj Xyuas Zoo
Txhua yam khoom raug kuaj xyuas kom ruaj khov thiab khaws cia rau qhov kub siab. Tom qab 1000 teev ntawm kev khaws cia ntawm 105 ° C, qhov hloov pauv ntawm lub peev xwm ntawm cov khoom, qhov poob ntawm qhov sib piv, thiab qhov xau hluav taws xob tag nrho ua tau raws li cov qauv tshwj xeeb, ua kom ntseeg tau tias cov khoom siv tau ntev.
Peb kuj muab cov qauv qhia txog zaus thiab qhov kub thiab txias kom ntxaws los pab cov engineers xam cov nqi tam sim no kom raug raws li qhov xwm txheej ua haujlwm sib txawv. Cov qauv qhia txog zaus kho yog txij li 0.4 ntawm 50Hz txog 1.0 ntawm 100kHz; cov qauv qhia txog qhov kub thiab txias yog txij li 2.1 ntawm 50 ° C txog 1.0 ntawm 105 ° C.
Xaus lus
Cov YMIN aluminium electrolytic capacitors ua ke muaj kev ua tau zoo, kev ntseeg siab siab, thiab lub neej ntev, ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov xws li teeb pom kev zoo LED, cov khoom siv fais fab kev lag luam, thiab cov khoom siv hluav taws xob hauv tsheb. Peb cog lus tias yuav muab cov khoom lag luam thiab cov kev pabcuam zoo rau cov neeg siv khoom thiab koom tes txhawb kev txhim kho ntawm kev lag luam hluav taws xob.
