Overview
The STPS2L40UF is a 40 V, 2 A low drop power Schottky rectifier produced by STMicroelectronics. This single chip Schottky rectifier is designed for high frequency miniature switched mode power supplies, such as adaptors and on-board DC/DC converters. It is packaged in various surface mount configurations, including SMB, SMA Flat, SMA Flat Notch, and SMB Flat, making it ideal for surface mounting in a variety of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 40 | V |
| Average Forward Current (IF(AV)) | 2 | A |
| Forward Surge Current | 75 | A |
| Forward Voltage Drop (VF(typ.)) | 0.31 | V |
| Junction Temperature (Tj(max.)) | 150 | °C |
| Operating Temperature (°C) | -40 to 150 | °C |
| Reverse Leakage Current (IR) at Tj = 25 °C, VR = 40 V | - 220 µA | A |
| Package | SMB Flat | |
| RoHS Compliance Grade | Ecopack2 |
Key Features
- Very small conduction losses
- Negligible switching losses
- Low forward voltage drop
- Surface mount miniature package
- Avalanche rated
- ECOPACK2 component, meeting environmental compliance standards
Applications
- Telecom power supply
- Set-top box power supply
- TV power supply
- Battery chargers
- Low voltage, high frequency inverters
- Free wheeling and polarity protection applications
Q & A
- What is the repetitive peak reverse voltage of the STPS2L40UF?
The repetitive peak reverse voltage (VRRM) is 40 V.
- What is the average forward current rating of the STPS2L40UF?
The average forward current (IF(AV)) is 2 A.
- What is the typical forward voltage drop of the STPS2L40UF?
The typical forward voltage drop (VF(typ.)) is 0.31 V.
- What is the maximum junction temperature of the STPS2L40UF?
The maximum junction temperature (Tj(max.)) is 150 °C.
- In what packages is the STPS2L40UF available?
The STPS2L40UF is available in SMB, SMA Flat, SMA Flat Notch, and SMB Flat packages.
- Is the STPS2L40UF RoHS compliant?
Yes, the STPS2L40UF is RoHS compliant with an Ecopack2 grade.
- What are some common applications of the STPS2L40UF?
Common applications include telecom power supplies, set-top box power supplies, TV power supplies, battery chargers, and high frequency inverters.
- What are the benefits of using a Schottky rectifier like the STPS2L40UF?
The benefits include very small conduction losses, negligible switching losses, and a low forward voltage drop.
- How does the STPS2L40UF handle high frequency operations?
The STPS2L40UF is designed for high frequency miniature switched mode power supplies and DC/DC converters, making it suitable for high frequency operations.
- What is the forward surge current rating of the STPS2L40UF?
The forward surge current rating is 75 A.
