Overview
The STPS1150A is a 150 V, 1 A power Schottky rectifier produced by STMicroelectronics. This component is optimized for use in switch mode power supplies up to 24 V rails and high frequency converters. It is particularly suited for consumer and computer applications where low forward voltage drop is essential to reduce power dissipation. The STPS1150A is available in SMA, SMA Flat Notch, and axial packages, ensuring versatility in design and implementation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | 150 | V |
| IF(AV) (Average Forward Current) | 1 | A |
| IFSM (Surge Non-Repetitive Forward Current) | 50 | A |
| PARM (Repetitive Peak Avalanche Power) | 108 | W |
| Tstg (Storage Temperature Range) | -65 to +175 | °C |
| Tj (Operating Junction Temperature Range) | -40 to +175 | °C |
| VF (Typical Forward Voltage Drop at IF = 1 A) | 0.62 to 0.67 | V |
| Rth(j-l) (Junction to Lead Thermal Resistance) | 30 | °C/W |
Key Features
- Negligible switching losses
- Low forward voltage drop for higher efficiency and extended battery life
- Low thermal resistance
- Surface mount miniature package (SMA, SMA Flat Notch, and axial)
- Avalanche capability specified
- ECOPACK2 compliant component
- PPAP capable (for automotive versions)
Applications
- Switch mode power supplies up to 24 V rails
- High frequency converters
- DC/DC converters
- Telecom power supplies
- Consumer and computer applications
- Automotive applications (e.g., ECU and fly-back converters)
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS1150A?
The maximum repetitive peak reverse voltage (VRRM) is 150 V. - What is the average forward current rating of the STPS1150A?
The average forward current (IF(AV)) is 1 A. - What are the typical forward voltage drop values for the STPS1150A?
The typical forward voltage drop (VF) at IF = 1 A is between 0.62 V and 0.67 V. - What is the maximum operating junction temperature of the STPS1150A?
The maximum operating junction temperature (Tj) is +175 °C. - What are the package options available for the STPS1150A?
The STPS1150A is available in SMA, SMA Flat Notch, and axial packages. - Is the STPS1150A compliant with environmental standards?
Yes, the STPS1150A is ECOPACK2 compliant. - What are some of the key features of the STPS1150A?
Key features include negligible switching losses, low forward voltage drop, low thermal resistance, and avalanche capability. - What applications is the STPS1150A suited for?
The STPS1150A is suited for switch mode power supplies, high frequency converters, DC/DC converters, telecom power supplies, and various consumer and computer applications. - Does the STPS1150A have any special certifications?
Yes, the automotive version (STPS1150-Y) is AEC-Q101 qualified and PPAP capable. - How can I obtain the thermal resistance parameters for the STPS1150A?
The thermal resistance parameters, including junction to lead (Rth(j-l)) and junction to ambient (Rth(j-a)), can be found in the datasheet and technical documentation provided by STMicroelectronics.
