STPS5045S

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45 V, 50 A Power Schottky Rectifier

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Product overview

Description

This device is a dual center tap Schottky rectifier suited for switch mode power supply and high frequency DC to DC converters.

Packaged in D2PAK, this device is especially intended for use in low voltage, high frequency inverters, freewheeling and polarity protection applications. Also ideal for PV cell-bypass diode for junction and smart junction boxes.

  • All features

    • Low forward voltage drop
    • Very small conduction losses
    • Negligible switching losses
    • Extremely fast switching
    • Low thermal resistance
    • 200 °C maximum junction temperature
    • Avalanche rated
    Read more Read less

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

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Power Management Design Center

Power Supply Design Tool

• SMPS design, by topology, by type and by product
• PFC design with analog and digitial control
• Supports various PCB configurations
Choose type:
DC/DC
AC/DC
Solar Battery Charger
Power Management Design Center

LED Lighting Design Tool

• Handles AC-DC and DC-DC design in common topologies
• Displays interactive and annotated schematic
• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:
DC/DC
AC/DC
Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree
• Check for consistency
• Design each individual node
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Thermal-electrical Simulators for Components

AC Switches Simulator

• Select ratings and application waveforms
• Get junction temperature and blocking voltage graphs
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

• Select ratings and application waveforms
• Estimate power losses
• Search and sort suitable devices
Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles
• Provides power loss and temperature graphs
• Helps define heatsink thermal properties
Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations
Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Thermal-electrical Simulators for Components

PCB Thermal Simulator

• Thermal analysis of a PCB from Gerber files.
• Possibility to add heat sources, heat sinks, copper areas and thermal paths.
• Powerful server-side engine for rendering and simulation.
• Thermal results shown graphically via 2D table.
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Signal Conditioning Design Tool

Active Filters

• Handles multi-stage-designs and common topologies
• Returns circuit component values
• Provides gain, phase and group delay graphs
• Low Pass, High Pass and Band Pass
Signal Conditioning Design Tool

Comparators

• Handles most common configurations
• Returns circuit components values
• Provides I/O signal waveforms
• Inverting, Non Inverting, Window
Signal Conditioning Design Tool

Low side Current Sensing

• Returns circuit component values
• Provides current error graphs
Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
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NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties
• Get antenna impedance
NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics
• The tool returns link budget estimate
NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets

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STSW-eDSim

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EDA Symbols, Footprints and 3D Models

STMicroelectronics - STPS5045S

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Please select one model supplier :

Start your design with UltraLibrarian
Start your design with SamacSys
Symbols

Symbols

Footprints

Footprints

3D model

3D models

All resources

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Resource title
Version
Latest update

SPICE models (1)

Resource title
Version
Latest update
Power Schottky diode PSpice models (.lib & .olb)
10.0 05 May 2023
05 May 2023
Power Schottky diode PSpice models (.lib & .olb) 10.0

SIMPLIS models (1)

Resource title
Version
Latest update
ST_Schottky_Barrier_Simplis_Models
1.0 23 May 2025
23 May 2025
ST_Schottky_Barrier_Simplis_Models 1.0

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Longevity Commitment Longevity Starting Date Material Declaration**
STPS5045SG-TR
Active
D2PAK Industrial Ecopack1 - -

STPS5045SG-TR

Package:

D2PAK

Material Declaration**:

PDF XML
More Info

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors

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