A matsayin na'urar kariya, tubes na TVS na iya hana lalacewar electrostatic yadda ya kamata da kuma kare da'irori.Lokacin zabar tubes na TVS, dole ne a biya hankali ga sigogin da suka dace, in ba haka ba matsalolin da ba zato ba tsammani na iya faruwa.VRWM, VBR, Vc, Ipp, Cd mahimman sigogi ne don zaɓin na'urar ESD/TVS
Bayani:
VBR: Matsayin da rushewar wutar lantarki @ IT - TVS nan take ya zama rashin ƙarfi
VRWM: Kula da wutar lantarki - TVS yana cikin yanayin da ba ya aiki a wannan matakin
VC: Ƙarfin wutar lantarki @ Ipp - Ƙarfin wutar lantarki kusan 1.3 * VBR
VF: Ƙarfin wutar lantarki na gaba @ IF - Juyin wutar lantarki na gaba
ID: Juya Leakage na Yanzu @ VRWM
IT: Gwada halin yanzu don rushewar wutar lantarki
IPP: Fashe kololuwar halin yanzu
IF: Gabatarwa na yanzu
Lokacin da bugun jini kololuwar IPP na yanzu tare da tsawon 20mS yana gudana ta hanyar TVS, ƙarfin bugun bugun jini yana clamped ta na'urar kariya ta ESD, kuma matsakaicin matsakaicin ƙarfin ƙarfin da ke faruwa a ƙarshen duka shine VC.VC da IPP suna nuna ikon dannewa na TVS.(Lura: VC shine ƙarfin lantarki da diode ke bayarwa a cikin yanayin yankewa, wato, ƙarfin lantarki ta hanyar TVS yayin yanayin motsin ESD.Ba zai iya zama girma fiye da izinin iyaka ƙarfin lantarki na da'ira mai kariya ba, in ba haka ba na'urar tana fuskantar haɗarin lalacewa.).
Matsakaicin Juya Juya Yanzu @ VRWM
VRWM yana nuna cewa ƙarƙashin ƙayyadadden ID, ƙimar ƙarfin lantarki a ƙarshen na'urar TVS ta zama matsakaicin juzu'in wutar lantarki mai aiki.Yawancin lokaci VRWM = (0.8 ~ 0.9) VBR.A wannan ƙarfin lantarki, yawan wutar lantarki na na'urar yana da ƙanƙanta.(Lura: Lokacin zabar nau'in, Vrwm bai kamata ya zama ƙasa da ƙarfin ƙarfin aiki na yau da kullun na na'urar da aka kare ko kewaye ba. Gabaɗaya, VopONUkayan aiki yawanci 12V ne, kuma ana zaɓar tube na TVS gabaɗaya don sarrafa VC tsakanin 14V da 16V.
Wutar lantarki wanda TVS transistor ya wuce ƙayyadadden gwajin halin yanzu It, wanda shine alamar ƙarfin lantarki mai nuna tafiyar da transistor TVS, watau daga wannan lokacin, na'urar ta shiga rushewar ƙazamar ruwa.VBR shine ƙaramin ƙarfin rushewar wutar lantarki don TVS, kuma a 25 ℃, TVS ba za ta fuskanci dusar ƙanƙara da ke ƙasa da wannan ƙarfin lantarki ba.Lokacin da TVS ke gudana ta ƙayyadadden halin yanzu na 1mA (IR), ƙarfin lantarki da ake amfani da shi zuwa sandunan TVS guda biyu shine mafi ƙarancin ƙarfin rushewar wutar lantarki VBR.Domin saduwa da ƙa'idodin IEC61000-4-2 na duniya, diodes TVS dole ne su iya ɗaukar mafi ƙarancin tasirin 8kV (lamba) da 15kV (iska) ESD.Wasu masana'antun semiconductor sun yi amfani da ma'aunin juriya mafi girma akan samfuran su.Don wasu aikace-aikacen na'urar šaukuwa tare da buƙatu na musamman, masu ƙira za su iya zaɓar na'urori gwargwadon bukatunsu.
Abin da ke sama taƙaitaccen bayani ne na Muhimman Ma'auni na Zaɓin TVS, waɗanda za a iya amfani da su azaman tunani.Kamfaninmu yana da ƙungiyar fasaha mai ƙarfi kuma yana iya ba da sabis na fasaha na sana'a ga abokan ciniki.A halin yanzu, kamfaninmu yana da samfura daban-daban: masu hankaliwani, sadarwa Tantancewar module, Tantancewar fiber module, sfp Tantancewar module, olt kayan aiki, Ethernet sauya da sauran cibiyar sadarwa kayan aiki.Idan kuna buƙata, zaku iya fahimtar su cikin zurfi.