DSS 2x121-0045B is a power Schottky rectifier from IXYS. It has a very low VF and extremely low switching losses. It is widely used in rectifiers and free wheeling diodes.
The DSS 2x121-0045B is a dual‑Schottky diode packaged in a miniBLOC (SOT‑227) format. It offers very low forward voltage, extremely low switching losses, and high reliability for use in switch‑mode power supplies and low‑voltage converters.
Key specifications include a 2500 V isolation voltage, typical forward voltage drop of 0.59 V at 120 A forward current, and a reverse voltage rating of 45 V. The datasheet also presents characteristic curves for forward voltage, reverse current, and thermal impedance.
| Isolation voltage | 2500 V |
|---|---|
| Forward voltage drop (VF) | 0.59 V |
| Reverse voltage (VRRM) | 45 V |
| Typical weight | 30 g |
The device is rated for an isolation voltage of 2500 V.
At a forward current of 120 A, the typical forward voltage drop is about 0.59 V.
It is used in switch‑mode power supplies and as a free‑wheeling diode in low‑voltage converters.