Overview
The STPS40M80CT is a dual diode Schottky rectifier produced by STMicroelectronics. This device is specifically designed for high-frequency switch-mode power supplies and is packaged in TO-220AB, I2PAK, and D2PAK configurations. It is particularly suited for applications in notebooks, game stations, LCD TVs, and desktop adapters, providing efficient performance at both low and high loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | STMicroelectronics | |
| Product Type | Schottky Rectifiers | |
| Mounting Style | Through Hole | |
| Configuration | Dual Anode Common Cathode | |
| Technology | Silicon (Si) | |
| VRRM - Repetitive Reverse Voltage | 80 V | V |
| IF(AV) - Average Forward Current | 20 A (per diode), 40 A (per device) | A |
| IFSM - Forward Surge Current | 200 A | A |
| VF - Forward Voltage Drop | 0.475 V (typ) at IF = 10 A | V |
| IR - Reverse Leakage Current | 15 µA (typ) at Tj = 25 °C, VR = VRRM | µA |
| Tj - Maximum Operating Junction Temperature | 175 °C | °C |
| Tstg - Storage Temperature Range | -65 to +175 °C | °C |
Key Features
- High junction temperature capability
- Optimized trade-off between leakage current and forward voltage drop
- Low leakage current
- Avalanche capability specified
Applications
The STPS40M80CT is particularly suited for use in:
- Notebooks
- Game stations
- LCD TVs
- Desktop adapters
These applications benefit from the device's high efficiency at both low and high loads.
Q & A
- What is the STPS40M80CT used for?
The STPS40M80CT is a dual diode Schottky rectifier used in high-frequency switch-mode power supplies.
- What are the available package types for the STPS40M80CT?
The device is available in TO-220AB, I2PAK, and D2PAK packages.
- What is the repetitive reverse voltage (VRRM) of the STPS40M80CT?
The repetitive reverse voltage (VRRM) is 80 V.
- What is the average forward current (IF(AV)) of the STPS40M80CT?
The average forward current (IF(AV)) is 20 A per diode and 40 A per device.
- What is the forward surge current (IFSM) of the STPS40M80CT?
The forward surge current (IFSM) is 200 A.
- What is the typical forward voltage drop (VF) of the STPS40M80CT?
The typical forward voltage drop (VF) is 0.475 V at IF = 10 A.
- What is the maximum operating junction temperature (Tj) of the STPS40M80CT?
The maximum operating junction temperature (Tj) is 175 °C.
- What is the storage temperature range (Tstg) of the STPS40M80CT?
The storage temperature range (Tstg) is -65 to +175 °C.
- What are some key features of the STPS40M80CT?
The key features include high junction temperature capability, optimized trade-off between leakage current and forward voltage drop, low leakage current, and specified avalanche capability.
- In which applications is the STPS40M80CT commonly used?
The STPS40M80CT is commonly used in notebooks, game stations, LCD TVs, and desktop adapters.
