Overview
The STPS30L40CT, presumed to be a variant of the STPS3L40 series from STMicroelectronics, is a Schottky rectifier designed for high-efficiency applications in switch mode power supplies and high-frequency DC to DC converters. These rectifiers are packaged in surface-mount formats such as SMB Flat Notch, SMB Flat, and SMC, making them ideal for surface mounting and use in DC/DC chargers.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VRRM | Repetitive peak reverse voltage | 40 | V |
| IF(AV) | Average forward current, δ = 0.5, square wave | 3 | A |
| IFSM | Surge non repetitive forward current | 75 | A |
| PARM | Repetitive peak avalanche power | 95 | W |
| Tstg | Storage temperature range | -65 to +150 | °C |
| Tj | Maximum operating junction temperature | +150 | °C |
| VF(typ.) | Forward voltage drop | 0.40 | V |
Key Features
- Negligible switching losses
- Low forward voltage drop
- Low thermal resistance
- Avalanche rated
- ECOPACK2 component, ensuring environmental compliance
Applications
- Telecom power supply
- Set-top box power supply
- TV power supply
- Battery chargers
- DC/DC converters
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS30L40CT?
The maximum repetitive peak reverse voltage is 40 V.
- What is the average forward current rating for the STPS30L40CT?
The average forward current rating is 3 A.
- What are the typical forward voltage drop values for the STPS30L40CT?
The typical forward voltage drop is around 0.40 V at 25°C and 0.44 V at 125°C.
- What are the package options available for the STPS30L40CT?
The device is available in SMB Flat Notch, SMB Flat, and SMC packages.
- Is the STPS30L40CT environmentally compliant?
Yes, it is an ECOPACK2 component, ensuring environmental compliance.
- What is the maximum operating junction temperature for the STPS30L40CT?
The maximum operating junction temperature is +150°C.
- What are some common applications for the STPS30L40CT?
Common applications include telecom power supplies, set-top box power supplies, TV power supplies, and battery chargers.
- What is the surge non-repetitive forward current rating for the STPS30L40CT?
The surge non-repetitive forward current rating is 75 A.
- What is the repetitive peak avalanche power rating for the STPS30L40CT?
The repetitive peak avalanche power rating is 95 W.
- How does the thermal resistance of the STPS30L40CT vary by package?
The thermal resistance varies by package, with junction to lead thermal resistance of 15°C/W for SMB Flat and SMB Flat Notch, and 18°C/W for SMC.
