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Yam ntxwv Curve Ntawm Transient Diode

Aug 10, 2022

Lub cim Circuit Court ntawm TVs yog tib yam li cov zener diode. Nws cov yam ntxwv pem hauv ntej yog tib yam li cov diode zoo tib yam; Tus yam ntxwv rov qab yog ib qho PN junction avalanche ntaus ntawv. Nyob rau hauv qhov kev txiav txim ntawm lub caij nyoog ncov mem tes tam sim no, thaum tam sim no ntws los ntawm TVS nce los ntawm qhov qub rov qab xau tam sim no ID rau IR, qhov hluav taws xob ntawm ob tus ncej nce los ntawm qhov ntsuas rov qab tig tawm voltage VWM mus rau qhov tawg voltage VBR.

TVS yog punctured. Nrog rau qhov pom ntawm lub ncov mem tes tam sim no, tam sim no ntws los ntawm TVS mus txog lub ncov pulse tam sim no IPP.

Qhov voltage ntawm nws ob tug ncej yog clamped hauv qab lub predetermined siab tshaj plaws clamp voltage. Tom qab ntawd, raws li cov mem tes tam sim no decays exponentially, qhov voltage ntawm ob tug ncej ntawm TVs kuj txo, thiab thaum kawg rov qab mus rau thawj lub xeev. Qhov no yog tag nrho cov txheej txheem ntawm TVs txwv tsis pub muaj zog pulse zog thiab tiv thaiv cov khoom siv hluav taws xob.