The ST1803DFH is a robust and efficient power Schottky rectifier designed and manufactured by STMicroelectronics. This component is well-suited for a variety of applications that require fast switching and low voltage drop, making it a popular choice in the power management sector. The ST1803DFH is part of STMicroelectronics' Schottky rectifier portfolio, known for its high reliability and performance in high-frequency power supplies.
Key Features
- Low Forward Voltage Drop: The ST1803DFH offers a very low forward voltage drop, which results in reduced power loss and improved efficiency in the application it is used.
- High Junction Temperature: With a maximum operating junction temperature of 175°C, this device can handle high thermal conditions, ensuring reliability even under stressful conditions.
- High Surge Capability: Designed to withstand high surge currents, this rectifier is ideal for applications that may experience unexpected surge conditions.
- Avalanche Rated: The device is also avalanche rated, providing additional protection against sudden voltage spikes that could otherwise damage the rectifier.
Applications
The ST1803DFH is versatile and can be used in a wide array of applications, including:
- Switching power supplies
- Adapters and on-board DC/DC converters
- Reverse battery protection circuits
- Lighting systems
- Automotive applications
Product Specifications
Parameter
Value
Package
TO-220FP
Repetitive Peak Reverse Voltage (V<sub>RRM)
30 V
Average Forward Current (I<sub>F(AV))
18 A
Non-Repetitive Peak Forward Surge Current (I<sub>FSM)
180 A
Operating Junction Temperature (T<sub>j)
-40°C to +175°C
With its combination of efficiency, thermal performance, and surge handling capability, the ST1803DFH is a reliable choice for designers looking to optimize their power management systems.
