Lub nti capacitor yog ib qho me me, tsis muaj cov khoom siv hluav taws xob uas tsis muaj hluav taws xob uas khaws cov hluav taws xob hluav taws xob, tsim rau Surface Mount Technology (SMT) los ntawm kev sib txuas ncaj qha rau hauv Circuit Court boards, feem ntau tshwm sim li multilayer ceramic (MLCC) hom siv rau kev siv xws li lim, decoupling, thiab lub zog cia hauv cov khoom siv hluav taws xob niaj hnub no. Lawv yog cov tseem ceeb me me capacitors, feem ntau cov duab plaub, nrog qhov ntev qhia lawv qhov kev ntsuam xyuas thiab lawv tseem ceeb heev rau cov qauv tsim ua tsaug rau lawv qhov me me thiab kev ua haujlwm siab. BEC tsim tag nrho cov txheej txheem nti capacitors rau kev lag luam thiab kev siv tsheb. Qhov luaj li cas npog los ntawm 0201 txog 2220. Chip capacitors tau ua lub luag haujlwm tseem ceeb hauv thaj chaw AI tam sim no.
Basic Parameters
|
Yam khoom |
Chip MLCC capacitor |
|
Capacitance Range |
0.5 pF ~ 220 UF |
|
Voltage Ntau |
6.3V~4000V |
|
Ua haujlwm kub |
-55 ° ~ 125 ° C |
|
Ua siab ntev |
0.1PF, 0.25PF, 0.5PF, ± 1%, ± 5%, ± 10%, ± 20% |
|
Daim ntawv pov thawj |
RoHS, REACH |
|
Daim ntawv thov |
Cov neeg siv khoom siv hluav taws xob, kev lag luam tsheb, khoom siv kho mob, khoom siv xov tooj cua, AI daim ntawv thov |
Yam ntxwv
Miniaturization & High Density:Hloov ntau txheej nyias nyias ceramic dielectric txheej thiab sab hauv hlau electrodes pab ultra- cov qauv me me thaum ua tiav cov peev txheej ntau dua li ib qho - txheej ceramic capacitors (SLCCs) ntawm tib qhov loj. Capacitance tuaj yeem ncav cuag li 220μF hauv cov pob khoom compact.
Kub Coefficient of Capacitance (TCC)
Ib qho tseem ceeb tshaj plaws metric rau qhov kub thiab txias, txhais los ntawm dielectric:
C0G/NP0 (Class 1 dielectrics): Zero -zero TCC (± 30ppm /℃los ntawm -55℃rau +125} degree), ultra-ruaj khov capacitance tsis muaj qhov tseem ceeb drift hla kub.
X7R/X5R (Class 2 dielectrics): Kev ruaj ntseg nruab nrab (X7R: -55℃~ +150℃, ΔC/C Tsawg dua lossis sib npaug ± 15%; X5R: -55℃~ +85℃, ΔC / C Tsawg dua lossis sib npaug ± 15%).
Y5V/Z5U (Class 2 low-stability dielectrics): Tsis zoo kub stability (Y5V: -}30℃~+85℃, ΔC/C Tsawg dua los yog sib npaug rau +20}%/-80%)-siab tshaj capacitance ntom, tsis tshua muaj nqi hluav taws xob.
Mechanical Robustness:Sintered ceramic lub cev nrog siab hardness thiab tsis kam rau txhua yam kev poob siab lossis kev co. Cov qauv hermetic tiv thaiv kev ya raws / plua plav nkag, nrog kev ruaj ntseg zoo hauv kev sib dhos hnyav thiab kev ua haujlwm.
Txheej txheem ntau lawm
Ib feem ntawm Peb Cov Chaw Tsim Khoom
FAQ
Q1: Yuav ua li cas xaiv qhov zoo MLCC qib dielectric rau kuv Circuit Court?
A1: Xaiv raws li qhov yuav tsum tau ua hauv Circuit Court (stability, zaus, kub) thiab nqi:
C0G / NP0: Precision RF, oscillators, lim, aerospace thiab tiv thaiv (zero capacitance drift tso cai).
X7R: Automotive, cov cuab yeej siv, nruab nrab -precision decoupling/filtering circuits.
X5R: Cov khoom siv hluav taws xob (xov tooj, laptops, TVs)
Y5V/Z5U: Tsawg- tus nqi qis, tsis yog- circuits tseem ceeb (pib fais fab hla dhau, qis-precision low-frequency designs).
Q2: Dab tsi yog MLCC dielectric codes (C0G / NP0, X7R, X5R, Y5V) sawv rau?
A2: Cov lej ua raws li EIA / JEDEC tus qauv thiab raug txhais raws li ob qho tseem ceeb:
Thawj tsab ntawv / tus lej: Temperature Coefficient of Capacitance (TCC) rau Chav Kawm 1 (C0G/NP0) lossis qhov ntsuas kub qis dua rau Chav Kawm 2 (X=-55} degree, Y=-30 degree, Z=+10℃).
Tus naj npawb nruab nrab: Qhov ntsuas kub siab tshaj (5=+85℃, 7=+150℃, 8=+125℃).
Tsab ntawv kawg: Kev hloov pauv siab tshaj plaws (ΔC / C) tshaj qhov ntsuas kub (R=± 15%, V=+20%/-80%, U=+22%/-56%).
NP0 yog cov npe tub rog qub rau C0G-lawv ua haujlwm zoo ib yam (ze -zero TCC, ± 30ppm /℃).
Q3: Yuav ua li cas xaiv qhov tseeb voltage ntsuas?
A3: Ua raws li txoj cai derating (tus qauv kev lag luam), tib lub sij hawm tus account rau circuit transients:
Rau DC circuits: Xaiv qhov ntsuas hluav taws xob tsawg kawg 2 zaug ntawm qhov siab tshaj plaws siv DC voltage.
Rau AC / ripple circuits: Ntxiv lub ncov AC voltage rau DC voltage, ces derate los ntawm 50%.
Rau siab -kub/automotive applications: Derate ib qho ntxiv 20-30%.
Cim npe nrov: Tuam Tshoj nti capacitor manufacturers, lwm tus neeg, Hoobkas
