SM74611
Features
- 1 Maximum Reverse Voltage (VR) of 30 V
- Operating Forward Current (IF) of up to 15 A
- Low Average Forward Voltage (26 m V at 8 A)
- Less Power Dissipation than Schottky Diode
- Lower Leakage Current than Schottky Diode
- Footprint and Pin-patible With Conventional
D2PAK Schottky Diode
- Operating Range (TJ) of
- 40°C to 125°C
2 Applications
- Bypass Diodes for Photovoltaic Panels
- Bypass Diodes for Microinverter and Power
Optimizer
3 Description
The SM74611 device is a smart bypass diode used in photovoltaic applications. The SM74611 device serves the purpose of providing an alternate path for string current when parts of the panel are shaded during normal operation. Without bypass diodes, the shaded cells will exhibit a hot spot which is caused by excessive power dissipation in the reverse biased cells.
Currently, conventional P-N junction diodes or Schottky diodes are used to mitigate this issue. Unfortunately the forward voltage drop for these diodes is still considered high...
