A SiC diode is a Schottky device built on silicon carbide. Current is still controlled by the Schottky junction, as on a silicon Schottky, but the crystal is different: electron mobility is higher and the die stays stable at higher temperature.
Where it differs from a silicon diode
| Topic | Result |
|---|---|
| Reverse recovery | Recovery current is nearly zero, and it barely moves with forward current, di/dt or junction temperature. |
| Switching frequency | It can sit next to a high-frequency switch, so the magnetics and the system can shrink. |
| Forward drop | Against a 1200 V silicon diode, the Schottky structure has the lower forward voltage. |
| EMI | The small recovery current is easier on the filter. |
| Heat | SiC conducts heat better, so junction temperature and the reliability risk both come down. |
| Boost stage | Switch conduction loss drops. Lower loss also lets the passive parts shrink. Qrr and Irrm stay very small. |
Typical applications
Recommended parts
Pick from the catalog by voltage, current and package.
| Part | Package | VRRM (V) | IF (A) | IFSM (A) | Rated IF (A) | VF (V) | IR (µA) |
|---|---|---|---|---|---|---|---|
| ECR265ACS | TO-252 | 650 | 2 | 16 | 2 | 1.5 | 50 |
| ECR465ACS | TO-252 | 650 | 4 | 30 | 4 | 1.5 | 50 |
| ECR665ACS | TO-252 | 650 | 6 | 66 | 6 | 1.5 | 50 |
| ECR865ACS | TO-252 | 650 | 8 | 74 | 8 | 1.6 | 60 |
| ECR1065ACS | TO-252 | 650 | 10 | 85 | 10 | 1.6 | 60 |
| ECR465A | TO-220AC | 650 | 4 | 30 | 4 | 1.5 | 50 |
| ECR665A | TO-220AC | 650 | 6 | 66 | 6 | 1.5 | 50 |
| ECR865A | TO-220AC | 650 | 8 | 74 | 8 | 1.6 | 60 |
| ECR1065A | TO-220AC | 650 | 10 | 85 | 10 | 1.6 | 60 |
| ECR1665A | TO-220AC | 650 | 16 | 128 | 16 | 1.6 | 100 |
| ECR2065A | TO-220AC | 650 | 20 | 172 | 20 | 1.6 | 100 |
| ECR3065A | TO-220AC | 650 | 30 | 240 | 30 | 1.6 | 100 |
| ECR465ACD | TO-263-2L | 650 | 4 | 30 | 4 | 1.5 | 50 |
| ECR665ACD | TO-263-2L | 650 | 6 | 66 | 6 | 1.5 | 50 |
| ECR865ACD | TO-263-2L | 650 | 8 | 74 | 8 | 1.6 | 60 |
| ECR1065ACD | TO-263-2L | 650 | 10 | 85 | 10 | 1.6 | 60 |
| ECR1665ACD | TO-263-2L | 650 | 16 | 128 | 16 | 1.6 | 100 |
| ECR2065ACD | TO-263-2L | 650 | 20 | 172 | 20 | 1.6 | 100 |
| ECR3065ACD | TO-263-2L | 650 | 30 | 240 | 30 | 1.6 | 100 |
| ECR465AM | TO-263M-2L | 650 | 4 | 30 | 4 | 1.5 | 50 |
| ECR665AM | TO-263M-2L | 650 | 6 | 66 | 6 | 1.5 | 50 |
| ECR865AM | TO-263M-2L | 650 | 8 | 74 | 8 | 1.6 | 60 |
| ECR1065AM | TO-263M-2L | 650 | 10 | 85 | 10 | 1.6 | 60 |
| ECR1665AM | TO-263M-2L | 650 | 16 | 128 | 16 | 1.6 | 100 |
| ECR2065AM | TO-263M-2L | 650 | 20 | 172 | 20 | 1.6 | 100 |
| ECR3065AM | TO-263M-2L | 650 | 30 | 240 | 30 | 1.6 | 100 |
| ECRP865A | TO-247AC-A | 650 | 8 | 74 | 8 | 1.6 | 60 |
| ECRP1065A | TO-247AC-A | 650 | 10 | 85 | 10 | 1.6 | 60 |
| ECRP1665A | TO-247AC-A | 650 | 16 | 128 | 16 | 1.6 | 100 |
| ECRP2065A | TO-247AC-A | 650 | 20 | 172 | 20 | 1.6 | 100 |
| ECRP3065A | TO-247AC-A | 650 | 30 | 240 | 30 | 1.6 | 100 |
| ECRP4065A | TO-247AC-A | 650 | 40 | 320 | 40 | 1.6 | 100 |
| ECRP5065A | TO-247AC-A | 650 | 50 | 350 | 50 | 1.7 | 100 |
| ECR1665PT | TO-247AB | 650 | 16 | 74 | 8 | 1.6 | 60 |
| ECR2065PT | TO-247AB | 650 | 20 | 85 | 10 | 1.6 | 60 |
| ECR3265PT | TO-247AB | 650 | 32 | 128 | 16 | 1.6 | 100 |
| ECR4065PT | TO-247AB | 650 | 40 | 172 | 20 | 1.6 | 100 |
| ECR6065PT | TO-247AB | 650 | 60 | 240 | 30 | 1.6 | 100 |
| ECR8065PT | TO-247AB | 650 | 80 | 320 | 40 | 1.6 | 100 |
| ECR10065PT | TO-247AB | 650 | 100 | 350 | 50 | 1.7 | 100 |
| ECR2090A | TO-220AC | 900 | 20 | 125 | 20 | 1.6 | 200 |
| ECR2090AM | TO-263M-2L | 900 | 20 | 125 | 20 | 1.6 | 200 |
| ECRP2090A | TO-247AC-A | 900 | 20 | 125 | 20 | 1.6 | 200 |
| ECR4090PT | TO-247AB | 900 | 40 | 125 | 20 | 1.6 | 200 |
| ECR2120ACS | TO-252 | 1200 | 2 | 18 | 2 | 1.6 | 50 |
| ECR4120ACS | TO-252 | 1200 | 4 | 28 | 4 | 1.7 | 60 |
| ECR6120ACS | TO-252 | 1200 | 6 | 40 | 6 | 1.7 | 60 |
| ECR7120ACS | TO-252 | 1200 | 7 | 45 | 7 | 1.7 | 120 |
| ECR8120ACS | TO-252 | 1200 | 8 | 52 | 8 | 1.7 | 100 |
| ECR10120ACS | TO-252 | 1200 | 10 | 59 | 10 | 1.7 | 60 |
| ECR15120ACS | TO-252 | 1200 | 15 | 102 | 15 | 1.7 | 100 |
| ECR4120A | TO-220AC | 1200 | 4 | 28 | 4 | 1.7 | 60 |
| ECR6120A | TO-220AC | 1200 | 6 | 40 | 6 | 1.7 | 60 |
| ECR7120A | TO-220AC | 1200 | 7 | 45 | 7 | 1.7 | 120 |
| ECR8120A | TO-220AC | 1200 | 8 | 52 | 8 | 1.7 | 100 |
| ECR10120A | TO-220AC | 1200 | 10 | 59 | 10 | 1.7 | 60 |
| ECR15120A | TO-220AC | 1200 | 15 | 102 | 15 | 1.7 | 100 |
| ECR20120A | TO-220AC | 1200 | 20 | 120 | 20 | 1.7 | 150 |
| ECR30120A | TO-220AC | 1200 | 30 | 185 | 30 | 1.7 | 150 |
| ECR4120AM | TO-263M-2L | 1200 | 4 | 28 | 4 | 1.7 | 60 |
| ECR6120AM | TO-263M-2L | 1200 | 6 | 40 | 6 | 1.7 | 60 |
| ECR7120AM | TO-263M-2L | 1200 | 7 | 45 | 7 | 1.7 | 120 |
| ECR8120AM | TO-263M-2L | 1200 | 8 | 52 | 8 | 1.7 | 100 |
| ECR10120AM | TO-263M-2L | 1200 | 10 | 59 | 10 | 1.7 | 60 |
| ECR15120AM | TO-263M-2L | 1200 | 15 | 102 | 15 | 1.7 | 100 |
| ECR20120AM | TO-263M-2L | 1200 | 20 | 120 | 20 | 1.7 | 150 |
| ECR30120AM | TO-263M-2L | 1200 | 30 | 185 | 30 | 1.7 | 150 |
| ECRP10120A | TO-247AC-A | 1200 | 10 | 59 | 10 | 1.7 | 60 |
| ECRP15120A | TO-247AC-A | 1200 | 15 | 102 | 15 | 1.7 | 100 |
| ECRP20120A | TO-247AC-A | 1200 | 20 | 120 | 20 | 1.7 | 150 |
| ECRP30120A | TO-247AC-A | 1200 | 30 | 185 | 30 | 1.7 | 150 |
| ECRP40120A | TO-247AC-A | 1200 | 40 | 230 | 40 | 1.7 | 150 |
| ECRP100120A | TO-247AC-A | 1200 | 100 | 500 | 100 | 1.8 | 180 |
| ECR20120PT | TO-247AB | 1200 | 20 | 59 | 10 | 1.7 | 60 |
| ECR30120PT | TO-247AB | 1200 | 30 | 102 | 15 | 1.7 | 100 |
| ECR40120PT | TO-247AB | 1200 | 40 | 120 | 20 | 1.7 | 150 |
| ECR60120PT | TO-247AB | 1200 | 60 | 185 | 30 | 1.7 | 150 |
| ECR80120PT | TO-247AB | 1200 | 80 | 230 | 40 | 1.7 | 150 |
Samples and selection
Request datasheets or catalog samples via the sample / inquiry channel. Browse the product catalog or cross-reference tool.