STPS4045CW
High-power Schottky diodes for rectification, 45V, 40A, TO-247 package
Manufacturer： ['stm', 'iscsemi']
series introduction
# Introduction to the STPS4045CW Product Series
## 1. Overview
The STPS4045CW is a remarkable product series within the semiconductor realm, specifically belonging to the family of Schottky barrier diodes. These diodes are engineered to offer high - performance rectification solutions for a wide range of electronic applications. STMicroelectronics, a leading semiconductor manufacturer, has designed the STPS4045CW series with advanced technology and meticulous craftsmanship to meet the demanding requirements of modern electronic systems.
## 2. Key Features
### 2.1 Low Forward Voltage Drop
One of the most significant features of the STPS4045CW series is its low forward voltage drop. This characteristic results in reduced power dissipation during the conduction phase. When compared to traditional PN - junction diodes, the lower forward voltage drop of Schottky diodes in this series means less energy is wasted as heat. For example, in power supply circuits, this translates to higher energy efficiency, which is crucial for battery - powered devices where power conservation is of utmost importance.
### 2.2 High Current Capability
The STPS4045CW diodes are capable of handling high currents. With a forward continuous current rating of up to 40A, they can be used in applications that require the transfer of large amounts of electrical power. This high - current handling capacity makes them suitable for use in power supplies, motor control circuits, and other high - power electronic systems.
### 2.3 Fast Switching Speed
Schottky diodes in the STPS4045CW series exhibit extremely fast switching speeds. They can turn on and off rapidly, which is essential in high - frequency applications. In switching power supplies, for instance, fast - switching diodes help to reduce switching losses and improve the overall efficiency of the power conversion process. This also enables the design of power supplies with higher operating frequencies, leading to smaller and more compact power supply units.
### 2.4 Low Reverse Leakage Current
The series has a low reverse leakage current. Even when a reverse voltage is applied across the diode, only a minimal amount of current flows in the reverse direction. This low reverse leakage current helps to improve the overall performance and reliability of the circuit. In applications where the diode is used in a rectifier circuit, low reverse leakage current ensures that there is less power loss and better isolation between the input and output sides of the circuit.
### 2.5 High Temperature Stability
The STPS4045CW diodes are designed to operate reliably over a wide temperature range. They can withstand high temperatures without significant degradation in performance. This high - temperature stability makes them suitable for use in harsh environments, such as automotive electronics, industrial control systems, and power electronics applications where the operating temperature can vary widely.
## 3. Package and Thermal Characteristics
### 3.1 Package Type
The STPS4045CW series is typically available in a TO - 220AB package. This package is a popular choice in the electronics industry due to its ease of mounting and good thermal performance. The TO - 220AB package has a standard pin configuration, which makes it compatible with a wide range of printed circuit board (PCB) designs.
### 3.2 Thermal Resistance
The package of the STPS4045CW diodes has a relatively low thermal resistance. This allows for efficient heat dissipation from the diode junction to the surrounding environment. By using appropriate heat - sinking techniques, such as attaching a heat sink to the TO - 220AB package, the diode can operate at higher power levels without overheating. This is crucial for maintaining the long - term reliability and performance of the diode in high - power applications.
## 4. Applications
### 4.1 Power Supplies
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Images for reference
TO-247-3
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