LF low impedance radial electrolytic capacitor uas tsim los ntawm BEC yog lub hauv paus los ntawm - qhov (THT) passive tivthaiv, txhais los ntawm nws cov radial leaded termination (ob hlau leads txuas los ntawm opposite xaus ntawm ib tug cylindrical lub cev raws li ib tug central axis) thiab core aluminium electrochemical zog -storage tsim. Qhov no series capacitor yog engineered nrog qis dua Equivalent Series Resistance (ESR) thiab txhim kho siab -frequency performance piv rau tus qauv radial electrolytic capacitor. Nws tau tsim tshwj xeeb rau kev hloov cov khoom siv hluav taws xob, DC / DC converters, thiab lwm yam siab - ripple tam sim no daim ntawv thov uas txheem electrolytics yuav overheat los yog ua tsis tiav ntxov.
Basic Parameters
|
Yam khoom |
LF tsawg impedance radial electrolytic capacitor |
|
Capacitance Range |
0.47 UF ~ 22000 UAF |
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Voltage Ntau |
6.3V~450V |
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Ua haujlwm kub |
-40 ° ~ 105 ° C |
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Ua siab ntev |
±20% |
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Daim ntawv pov thawj |
RoHS, REACH |
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Daim ntawv thov |
Industrial systems, automotive kev lag luam, khoom siv suab thiab video, teeb pom kev zoo, hloov cov khoom siv hluav taws xob |
Yam ntxwv
Txhim kho zaus teb thiab ua kom muaj cua sov ua haujlwm zoo
Muaj txiaj ntsig ntau: Txog 50-100kHz (vs 10kHz rau tus qauv)
Tus kheej -resonant zaus: Siab dua vim qis ESL
Impedance nkhaus: Flatter hla ntau zaus
Txo tus kheej- cua sov: P=I²R poob qis
Cov cua kub zoo dua: Feem ntau muaj kev tsim kho sab hauv zoo dua
Temperature stability: ESR sib txawv nrog qhov kub thiab txias
Thawj qhov sib txawv ntawm cov impedance radial electrolytics qis yog lawv cov ultra- qis ESR, siab ripple tam sim no kam rau ua, thiab tiaj tus impedance nkhaus hla nruab nrab-rau- siab zaus-tag nrho optimized rau siab -tam sim no THT fais fab kev thov. Cov ntsiab lus tseem ceeb raug kuaj raws li JEDEC / IEC cov qauv (100kHz / 25℃rau ESR / impedance; 120Hz / 105℃rau ripple tam sim no).
Kev tsim qauv tsim thiab siv yam ntxwv
Tsawg impedance radial electrolytics yog ib qho yooj yim rau kev koom ua ke rau hauv THT designs (poob-hauv) tab sis yuav tsum tau ua raws li cov lus qhia no kom ua tau zoo tshaj plaws, kev ntseeg siab, thiab kev ua neej nyob - kev ua txhaum cai ua rau ua tsis tiav ntxov lossis kev ua haujlwm tsis zoo:
Kev ua raws cai polarity: Tsis yog -negotiable- ib txwm ua kom cov kab tsis zoo nrog PCB lub ncoo tsis zoo (silk screen / + cim). Rov qab voltage ua rau tam sim ntawd tsis ua hauj lwm.
Cov Lus Qhia Txog Kev Ua Haujlwm: Ua haujlwm tsawg dua lossis sib npaug li 80% ntawm qhov ntsuas hluav taws xob thiab Tsawg dua lossis sib npaug li 90% ntawm cov ntsuas ripple tam sim no- txuas ntxiv lub neej los ntawm 2–3x (raws li Arrhenius Model).
PCB Qhov Chaw: Qhov chaw ze li qhov ua tau kom siab -tam sim no ICs / DC- DC converters (tsawg kab inductance) - tseem ceeb heev rau khaws cov ESL / impedance qis.
Txheej txheem ntau lawm
Ib feem ntawm Peb Cov Chaw Tsim Khoom
FAQ
Q1: LF capacitor txawv li cas ntawm tus qauv radial electrolytic capacitor?
A1: Qhov sib txawv loj tshaj plaws yog hom electrolyte (polymer / gel vs. kua), uas ua rau tag nrho cov kev ua tau zoo hloov kho:
Tsawg impedance variants muaj 80-90% qis ESR, 2-4x siab dua ripple tam sim no, thiab lub tiaj tus impedance nkhaus mus txog 1MHz (vs.<100kHz for standard).
Lawv muab 2-4x lub neej ntev dua (tsis muaj kuab tshuaj evaporation) thiab 50% qis dua tam sim no.
Ruggedized kev tsim kho (thicker leads, reinforced sealing) muab 4x siab dua kev co kuj rau kev lag luam / tsheb siv.
Q2: Kuv yuav xaiv txoj cai qis impedance radial electrolytic rau kuv lub voj voog li cas?
A2: Ua raws li hauv qab no 4-kauj ruam kev xaiv cov txheej txheem:
Txhais qhov voltage / ripple tam sim no: Qhia qhov ntsuas qhov ntsuas hluav taws xob ntau dua lossis sib npaug ntawm 1.25 × qhov siab tshaj plaws DC voltage Circuit Court; xaiv qhov ntsuas tam sim no ntau dua lossis sib npaug rau 1.1 × lub voj voog qhov tseeb ripple tam sim no (ntawm 105℃).
Match capacitance: Xaiv lub capacitance xav tau rau tej smoothing / decoupling (xoo ± 20% kam rau ua tau rau lub hwj chim functions).
Xyuas impedance/ESR: Xyuas kom tag nrho impedance Tsawg dua los yog sib npaug rau 100mΩ ntawm 100kHz (kev lag luam qis-Z benchmark) rau nruab nrab- mus rau - siab zaus ripple filtering (<1MHz).
Txheeb xyuas daim foos: Xaiv qhov EIA D × H qhov loj me thiab qhov sib txawv ntawm cov hlau lead uas haum rau koj THT PCB/breadboard (poob- rau cov qauv radial footprints).
Kev xaiv qib: Xaiv cov neeg siv khoom / kev lag luam / qib tsheb raws li qhov ntsuas kub, kev co, thiab kev ua neej nyob (xws li AEC-Q200 rau kev siv tsheb).
Cim npe nrov: lf low impedance radial electrolytic capacitor, Tuam Tshoj lf low impedance radial electrolytic capacitor manufacturers, lwm tus neeg, Hoobkas
