描述
防止柵源極間過電壓 由于柵極與源極的阻抗很高,漏極與源極間的電壓突變會通過極間電容耦合到柵極而產(chǎn)生相當高的柵源尖峰電壓,此電壓會使很薄的柵源氧化層擊穿,同時柵極很容易積累電荷也會使柵源氧化層擊穿,所以要在MOS管柵極并聯(lián)穩(wěn)壓管以限制柵極電壓在穩(wěn)壓管穩(wěn)壓值以下,保護MOS管不被擊穿,MOS管柵極并聯(lián)電阻是為了釋放柵極電荷,不讓電荷積累。
主營:本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,
力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
Westinghouse PB 2500A PB32500F 654D456G06 1000 A TRIP
Hitran Transformer 120 kVA 460/460Y/266 120kVA 3 PH Y
Westinghouse Seltronic Breaker MDSA3800F 800 Amp A 800A
Allen Bradley 150-A97NBD SMC Plus 75HP Soft Start 45kW
C-H W HMCP Breaker HMCP400X5WS10 400Amp A 400A 400 NEW
Square D I-Line Breaker LC36600 600Amp A 600A 600
Cutler Hammer Westinghouse HLD3400 400 Amp HLD3400T107W
Westinghouse DB25 DB 25 600 Amp Amptector I A Model LIG
GE Disconnect Breaker Panel THLC434350 350 Amp 350A A
Mitsubishi Breaker NF-SL3600 NF SL 600 Amp 600A A
Allen Bradley AB 1370 25 HP 25HP Centrifugal DC Drive
Westinghouse DFS Air Switch Disconnect 4.16 kV Enclosed
Square D I-Line NA361000 NA-361000 NA 1000 Amp 1000A A
GS Transformer 175 kVA 460/460Y/266 V 175kVA 3 PH Y
GE Circuit Breaker TS203F 1000 Amp 1000A A 1000Amp Trip
Taylor ABB 6004BZ10300B Mod 300 CPU Board 6004BZ10300-B
Modicon AS-P840-000 Power Supply ASP840000
ASCO 400 Amp Transfer Switch 277/480 V E940340097XC
Square D I-Line Breaker MH36800 MH 800A A 800 Amp
GE Transformer 118 kVA 460/460 V 118kVA 3 PH Delta