Q: 1. Lub tshuab hluav taws xob thermal tswj qhov twg yog qhov tsim nyog rau VHE series?
A: VHE series yog tsim los rau kev siv hluav taws xob siab ceev hauv kev tswj xyuas cov cua sov, suav nrog cov twj siv hluav taws xob, cov twj siv roj hluav taws xob, thiab cov kiv cua txias. Nws muab kev ua haujlwm siab, ua kom ruaj khov ntawm cov khoom siv no hauv qhov kub thiab txias ib puag ncig, xws li lub cav chav tsev kub txog li 150 ° C.
Q: 2. ESR ntawm VHE series yog dab tsi? Tus nqi tshwj xeeb yog dab tsi?
A: VHE series tswj hwm ESR ntawm 9-11 mΩ dhau qhov kub ntawm tag nrho ntawm -55 ° C txog + 135 ° C, uas yog qis dua thiab muaj qhov hloov pauv tsawg dua li yav dhau los VHU series. Qhov no txo qis qhov kub thiab txias poob thiab lub zog poob, txhim kho kev ua haujlwm zoo. Qhov kom zoo dua no kuj pab txo qhov cuam tshuam ntawm qhov hloov pauv ntawm qhov hluav taws xob ntawm cov khoom rhiab heev.
Q: 3. Dab tsi yog qhov ripple tam sim no tuav lub peev xwm ntawm VHE series? Los ntawm pes tsawg?
A: Lub VHE series 'ripple tam sim no tuav lub peev xwm yog tshaj 1.8 npaug tshaj li ntawm VHU series, zoo absorbing thiab lim lub siab ripple tam sim no generated los ntawm lub cev muaj zog tsav. Cov ntaub ntawv piav qhia tias qhov no txo qis lub zog poob thiab tsim hluav taws xob, tiv thaiv cov actuators, thiab txo qis kev hloov pauv ntawm qhov hluav taws xob.
q:4 ua. VHE series tiv taus qhov kub thiab txias li cas? Nws qhov siab tshaj plaws ua haujlwm kub yog dab tsi?
A: VHE series yog ntsuas rau kev ua haujlwm kub ntawm 135 ° C thiab txhawb nqa hnyav ambient kub txog 150 ° C. Nws tuaj yeem tiv taus qhov kub thiab txias hauv qab, muab kev ntseeg tau deb tshaj li cov khoom lag luam thiab lub neej kev pab cuam txog li 4,000 teev.
q:5 ua. VHE series qhia tau tias nws muaj kev ntseeg siab li cas?
A: Muab piv rau VHU series, VHE series tau txhim kho kev ua haujlwm dhau los thiab kev poob siab, ua kom muaj kev ruaj ntseg nyob rau hauv lub sijhawm dhau los lossis poob siab. Nws cov nqi zoo heev thiab kev tawm tawm tsis kam ua kom yooj yim pib-nres thiab on-off cycles, ncua nws lub neej kev pab cuam.
q:6 ua. Dab tsi yog qhov txawv ntawm VHE series thiab VHU series? Lawv cov parameter sib piv li cas?
A: VHE series yog ib qho kev hloov kho tshiab ntawm VHU, uas muaj qhov qis dua ESR (9-11mΩ vs. VHU), 1.8 npaug ntau dua ripple tam sim no muaj peev xwm, thiab kub siab dua (txhawb 150 ° C ambient).
q:7 ua. VHE series daws teeb meem kev tswj hwm tsheb hauv tsheb li cas?
A: VHE series hais txog lub zog loj thiab qhov kub thiab txias qhov kev sib tw los ntawm kev siv hluav taws xob thiab kev tsav tsheb ntse. Nws muaj ESR qis thiab siab ripple tam sim no tuav peev xwm, txhim kho cov lus teb efficiency. Cov ntaub ntawv sau tseg tias nws txhim kho kev tswj xyuas thermal, txo cov nqi, thiab muab kev txhawb nqa zoo rau OEMs.
q:8 ua. Dab tsi yog qhov txiaj ntsig zoo ntawm VHE series?
A: VHE series txo lub zog poob thiab tsim hluav taws xob los ntawm nws cov ESR ultra-low thiab ripple tam sim no tuav peev xwm. Cov ntaub ntawv piav qhia tias qhov no ua kom zoo tshaj plaws kev tswj xyuas thermal thiab txo cov nqi kho cov kab ke, yog li muab kev txhawb nqa rau OEMs.
q:9 ua. VHE series zoo li cas hauv kev txo qis qis hauv kev siv tsheb?
A: VHE series 'kev ntseeg siab (overload thiab shock resistance) thiab lub neej ntev (4000 teev) txo qhov system tsis ua haujlwm. Nws ua kom ruaj khov ua haujlwm ntawm cov khoom xws li cov twj tso kua dej hauv hluav taws xob nyob rau hauv cov xwm txheej zoo.
Q: 10. Yog Yongming VHE series automotive-certified? Cov qauv xeem yog dab tsi?
A: VHE capacitors yog automotive-qib capacitors kuaj ntawm 135 ° C rau 4000 teev, ua tau raws li qhov yuav tsum tau ua ntawm ib puag ncig nruj. Rau cov ntaub ntawv pov thawj, engineers tuaj yeem tiv tauj Yongming kom tau txais daim ntawv tshaj tawm.
q: 11. VHE capacitors puas tuaj yeem hais txog qhov hloov pauv ntawm qhov hloov pauv hauv thermal tswj tshuab?
A: Ymin VHE capacitors 'ultra-low ESR (9mΩ theem) suppresses tam sim no surges thiab txo kev cuam tshuam nrog ib puag ncig rhiab khoom.
q: 12. VHE capacitors puas tuaj yeem hloov cov khoom siv hauv lub xeev?
A: Yog. Lawv cov qauv hybrid sib xyaw ua ke cov peev txheej siab ntawm cov electrolyte nrog qis ESR ntawm cov polymers, uas ua rau lub neej ntev dua li cov khoom siv hauv lub xeev cov khoom siv (135 ° C / 4000 teev).
q: 13. Yuav ua li cas npaum li cas VHE capacitors cia siab rau cov cua kub dissipation tsim?
A: Txo cov hluav taws xob tsim hluav taws xob (ESR optimization + txo ripple tam sim no poob) ua kom yooj yim cov kev daws teeb meem kub.
q:14 ua. Dab tsi yog qhov txaus ntshai cuam tshuam nrog kev txhim kho VHE capacitors ze ntawm ntug ntawm lub cav compartment?
A: Lawv tuaj yeem tiv taus qhov kub txog li 150 ° C thiab tuaj yeem ntsia tau ncaj qha rau hauv qhov chaw kub siab (xws li ze ntawm turbochargers).
Q: 15. Dab tsi yog qhov kev ruaj ntseg ntawm VHE capacitors nyob rau hauv high-frequency switching scenarios?
A: Lawv cov nqi thiab cov yam ntxwv tso tawm txhawb ntau txhiab lub voj voog hloov ib ob (xws li cov siv hauv PWM-tsav kiv cua).
Q: 16.Dab tsi yog qhov zoo sib piv ntawm VHE capacitors piv nrog cov neeg sib tw (xws li Panasonic thiab Chemi-con)?
Superior ESR Stability:
Tag nrho qhov kub thiab txias (-55 ° C txog 135 ° C): ≤1.8mΩ hloov pauv (cov khoom sib tw hloov pauv> 4mΩ).
"ESR tus nqi tseem nyob nruab nrab ntawm 9 thiab 11mΩ, zoo dua rau VHU nrog qhov hloov pauv tsawg dua."
Tus nqi engineering: Txo cov thermal tswj kev poob los ntawm 15%.
Kev tawg hauv Ripple Current Capacity:
Kev ntsuas kev sib piv: VHE lub peev xwm nqa tam sim no tshaj cov neeg sib tw los ntawm 30% rau tib qhov loj, txhawb nqa lub zog siab dua (xws li, hluav taws xob twj tso kua mis hluav taws xob tuaj yeem nce mus rau 300W).
Kev tawg hauv lub neej thiab qhov kub thiab txias:
135 ° C xeem tus qauv vs. tus neeg sib tw 125 ° C → Sib npaug rau tib 125 ° C ib puag ncig:
VHE ntsuas lub neej: 4000 teev
Kev sib tw lub neej: 3000 teev → 1.3 npaug ntawm cov neeg sib tw
Mechanical Structure Optimization:
Cov neeg sib tw ua tsis tiav: Solder qaug zog (tus nqi ua tsis tau> 200W hauv vibration scenarios) FIT)
VHE: "Txhim kho lub zog dhau thiab kev poob siab, ua kom haum rau cov xwm txheej pib nres."
Kev ntsuas kev txhim kho: Vibration tsis ua hauj lwm pib nce 50% (50G → 75G).
q:17 ua. Dab tsi yog qhov tshwj xeeb ESR hloov pauv ntawm VHE capacitors tshaj qhov ntsuas kub tag nrho?
A: Khaws 9-11mΩ ntawm -55 ° C mus rau 135 ° C, nrog kev hloov pauv ≤22% ntawm qhov sib txawv ntawm 60 ° C, uas zoo dua li 35% + kev hloov pauv ntawm VHU capacitors.
q: 18. Puas yog qhov pib ua haujlwm ntawm VHE capacitors degrade ntawm qhov kub thiab txias (-55 ° C)?
A: Cov qauv hybrid ua kom muaj peev xwm tuav tau> 85% ntawm -55 ° C (electrolyte + polymer synergy), thiab ESR tseem ≤11mΩ.
q:19 ua. Dab tsi yog qhov voltage surge kam rau ua ntawm VHE capacitor?
A: VHE capacitors nrog kev ua haujlwm siab dhau: Lawv txhawb 1.3 npaug ntawm qhov ntsuas hluav taws xob rau 100ms (xws li, tus qauv 35V tuaj yeem tiv taus 45.5V transients).
Q: 20. Puas yog VHE capacitors ua raws li ib puag ncig (RoHS/REACH)?
A: YMIN VHE capacitors ua tau raws li RoHS 2.0 thiab REACH SVHC 223 cov cai (cov cai hauv tsheb pib).
Post lub sij hawm: Aug-28-2025