Overview
The FFSM0865A is a Silicon Carbide (SiC) Schottky Diode produced by onsemi, part of their EliteSiC series. This diode leverages advanced SiC technology to offer superior switching performance, higher reliability, and enhanced thermal characteristics compared to traditional silicon-based diodes. It is designed to provide high efficiency, faster operating frequencies, increased power density, reduced EMI, and a smaller system size and cost. The device is Pb-free, halogen-free, and RoHS compliant, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Peak Repetitive Reverse Voltage) | 650 | V |
| IF (Continuous Rectified Forward Current @ TC < 145°C) | 8 | A |
| IF (Continuous Rectified Forward Current @ TC < 135°C) | 9.6 | A |
| IFSM (Non-Repetitive Peak Forward Surge Current @ TC = 25°C, 10 μs) | 550 | A |
| IFSM (Non-Repetitive Peak Forward Surge Current @ TC = 150°C, 10 μs) | 520 | A |
| IFSM (Non-Repetitive Forward Surge Current Half-Sine Pulse, tp = 8.3 ms) | 49 | A |
| Ptot (Power Dissipation @ TC = 25°C) | 64 | W |
| Ptot (Power Dissipation @ TC = 150°C) | 11 | W |
| TJ (Operating and Storage Temperature Range) | -55 to +175 | °C |
| VF (Forward Voltage @ IF = 8 A, TC = 25°C) | 1.50 - 1.75 | V |
| IR (Reverse Current @ VR = 650 V, TC = 25°C) | 200 μA | |
| RJC (Thermal Resistance, Junction to Case, Max) | 2.35 °C/W |
Key Features
- No reverse recovery current and no forward recovery, ensuring efficient switching.
- Temperature-independent switching characteristics.
- High surge current capacity.
- Positive temperature coefficient.
- Ease of paralleling.
- Avalanche rated with 37 mJ single pulse avalanche energy.
- High thermal performance with a maximum junction temperature of 175°C.
- Pb-free, halogen-free, and RoHS compliant.
Applications
- General purpose applications.
- Switch-Mode Power Supplies (SMPS).
- Solar Inverters.
- Uninterruptible Power Supplies (UPS).
- Power switching circuits.
Q & A
- What is the peak repetitive reverse voltage of the FFSM0865A?
The peak repetitive reverse voltage (VRRM) is 650 V. - What is the continuous rectified forward current at TC < 145°C?
The continuous rectified forward current at TC < 145°C is 8 A. - What is the maximum junction temperature of the FFSM0865A?
The maximum junction temperature is 175°C. - Is the FFSM0865A RoHS compliant?
Yes, the FFSM0865A is Pb-free, halogen-free, and RoHS compliant. - What are the typical applications of the FFSM0865A?
The typical applications include SMPS, solar inverters, UPS, and power switching circuits. - What is the thermal resistance from junction to case?
The thermal resistance from junction to case (RJC) is 2.35 °C/W. - Does the FFSM0865A have reverse recovery current?
No, the FFSM0865A does not have reverse recovery current. - What is the non-repetitive peak forward surge current at TC = 25°C?
The non-repetitive peak forward surge current at TC = 25°C is 550 A for a 10 μs pulse. - What is the power dissipation at TC = 25°C?
The power dissipation at TC = 25°C is 64 W. - What is the forward voltage at IF = 8 A and TC = 25°C?
The forward voltage at IF = 8 A and TC = 25°C is between 1.50 V and 1.75 V.
