碳化硅肖特基二极管

碳化硅二极管是用碳化硅做的肖特基器件。导电方式和硅基肖特基一样,靠肖特基结控制电流,但晶体结构和硅不同,电子迁移率更高,热稳定性更好。

相对硅二极管的差别

SiC 二极管
方面结果
反向恢复恢复电流几乎为零,而且不大受正向电流、di/dt 和结温影响。
开关频率可以跟高频开关管配合,系统体积和成本都能降。
正向压降相对 1200V 硅二极管,肖特基结构的正向压降更低。
EMI恢复电流小,EMI 更好做。
导热碳化硅导热更好,结温更低,系统更可靠。
升压电路开关管的导通损耗明显下降;低功耗也让无源器件可以缩小。Qrr / Irrm 极低。

SiC 二极管损耗对比

常见应用

SiC 二极管应用场景

推荐选型

按电压、电流和封装从下表选取。

碳化硅二极管产品目录
型号封装VRRM (V)IF (A)IFSM (A)额定 IF (A)VF (V)IR (µA)
ECR265ACSTO-25265021621.550
ECR465ACSTO-25265043041.550
ECR665ACSTO-25265066661.550
ECR865ACSTO-25265087481.660
ECR1065ACSTO-2526501085101.660
ECR465ATO-220AC65043041.550
ECR665ATO-220AC65066661.550
ECR865ATO-220AC65087481.660
ECR1065ATO-220AC6501085101.660
ECR1665ATO-220AC65016128161.6100
ECR2065ATO-220AC65020172201.6100
ECR3065ATO-220AC65030240301.6100
ECR465ACDTO-263-2L65043041.550
ECR665ACDTO-263-2L65066661.550
ECR865ACDTO-263-2L65087481.660
ECR1065ACDTO-263-2L6501085101.660
ECR1665ACDTO-263-2L65016128161.6100
ECR2065ACDTO-263-2L65020172201.6100
ECR3065ACDTO-263-2L65030240301.6100
ECR465AMTO-263M-2L65043041.550
ECR665AMTO-263M-2L65066661.550
ECR865AMTO-263M-2L65087481.660
ECR1065AMTO-263M-2L6501085101.660
ECR1665AMTO-263M-2L65016128161.6100
ECR2065AMTO-263M-2L65020172201.6100
ECR3065AMTO-263M-2L65030240301.6100
ECRP865ATO-247AC-A65087481.660
ECRP1065ATO-247AC-A6501085101.660
ECRP1665ATO-247AC-A65016128161.6100
ECRP2065ATO-247AC-A65020172201.6100
ECRP3065ATO-247AC-A65030240301.6100
ECRP4065ATO-247AC-A65040320401.6100
ECRP5065ATO-247AC-A65050350501.7100
ECR1665PTTO-247AB650167481.660
ECR2065PTTO-247AB6502085101.660
ECR3265PTTO-247AB65032128161.6100
ECR4065PTTO-247AB65040172201.6100
ECR6065PTTO-247AB65060240301.6100
ECR8065PTTO-247AB65080320401.6100
ECR10065PTTO-247AB650100350501.7100
ECR2090ATO-220AC90020125201.6200
ECR2090AMTO-263M-2L90020125201.6200
ECRP2090ATO-247AC-A90020125201.6200
ECR4090PTTO-247AB90040125201.6200
ECR2120ACSTO-252120021821.650
ECR4120ACSTO-252120042841.760
ECR6120ACSTO-252120064061.760
ECR7120ACSTO-252120074571.7120
ECR8120ACSTO-252120085281.7100
ECR10120ACSTO-25212001059101.760
ECR15120ACSTO-252120015102151.7100
ECR4120ATO-220AC120042841.760
ECR6120ATO-220AC120064061.760
ECR7120ATO-220AC120074571.7120
ECR8120ATO-220AC120085281.7100
ECR10120ATO-220AC12001059101.760
ECR15120ATO-220AC120015102151.7100
ECR20120ATO-220AC120020120201.7150
ECR30120ATO-220AC120030185301.7150
ECR4120AMTO-263M-2L120042841.760
ECR6120AMTO-263M-2L120064061.760
ECR7120AMTO-263M-2L120074571.7120
ECR8120AMTO-263M-2L120085281.7100
ECR10120AMTO-263M-2L12001059101.760
ECR15120AMTO-263M-2L120015102151.7100
ECR20120AMTO-263M-2L120020120201.7150
ECR30120AMTO-263M-2L120030185301.7150
ECRP10120ATO-247AC-A12001059101.760
ECRP15120ATO-247AC-A120015102151.7100
ECRP20120ATO-247AC-A120020120201.7150
ECRP30120ATO-247AC-A120030185301.7150
ECRP40120ATO-247AC-A120040230401.7150
ECRP100120ATO-247AC-A12001005001001.8180
ECR20120PTTO-247AB12002059101.760
ECR30120PTTO-247AB120030102151.7100
ECR40120PTTO-247AB120040120201.7150
ECR60120PTTO-247AB120060185301.7150
ECR80120PTTO-247AB120080230401.7150

选型与样品

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