AC3D30065A
Specifications: The AC3D30065A is a high-current 650V, 30A SiC Schottky diode in an isolated TO-220-2 package. It has V_F=1.45V, P_TOT=150W, and Q_C=44.5nC. It pushes the limits of the TO-220 package.
Application Scenarios: For high-current designs where space is limited. Used in compact welding machines, high-power server blades, and dense motor drives. Requires careful thermal management.
AC3D30065D
Specifications: The AC3D30065D is a 650V, 30A SiC Schottky diode in TO-247-3. It features a low V_F of 1.45V, P_TOT of 150W, and Q_C of 44.5nC. The zero-recovery characteristic minimizes switching noise.
Application Scenarios: Optimized for high-current, high-frequency switching. Used in PFC stages of 3-6kW server PSUs, welding machine inverters, and high-power telecom rectifiers. Its efficiency and thermal performance make it suitable for demanding, always-on applications.
AC4D30120D
Specifications: The AC4D30120D is a 1200V, 30A SiC Schottky diode in TO-247-3. Key parameters: V_F=1.6V, P_TOT=440W, Q_C=77.5nC. It offers high current handling with the benefits of SiC technology.
Application Scenarios: Targets high-power applications. Used in EV fast charger modules, high-end server PSUs, and large UPS systems. The high current rating supports high power throughput.
AC4D30120H
Specifications: The AC4D30120H is a 1200V, 30A SiC Schottky diode in TO-247-2. It features V_F=1.5V, P_TOT=441W, and Q_C=152nC. The two-pin package simplifies mounting in some designs.
Application Scenarios: Similar to the 3-pin version but for different layout preferences. Used in high-power solar inverters and industrial motor drives where the TO-247-2 footprint is specified.