Overview
The STPS4045CWY is a high-performance Schottky rectifier produced by STMicroelectronics. This component is packaged in the TO-247 format and is designed for use in low voltage, high frequency applications such as inverters, free-wheeling diodes, and polarity protection, particularly in automotive and industrial settings.
Key Specifications
| Parameter | Symbol | Values | Units |
|---|---|---|---|
| Maximum Average Forward Current | IF(AV) | 40 A | A |
| Maximum DC Reverse Voltage | VR | 45 V | V |
| Forward Voltage Drop at IF | VF | 0.49 V (typical at 20 A, TJ = 125°C) | V |
| Maximum Peak One Cycle Non-Repetitive Surge Current | IFSM | 1240 A (tp = 5 μs sine) | A |
| Maximum Junction Temperature | TJ | -55 to +150 °C | °C |
| Maximum Thermal Resistance, Junction to Case | RthJC | 1.6 °C/W | °C/W |
| Package Type | TO-247 |
Key Features
- Very low forward voltage drop, ensuring high efficiency in power conversion.
- High frequency operation, making it suitable for switch-mode power supplies and high frequency DC to DC converters.
- High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance.
- Guard ring for enhanced ruggedness and long-term reliability.
- Designed and qualified according to JEDEC®-JESD 47 standards.
- Operates up to a junction temperature of 150°C, ensuring reliability in high-temperature environments.
Applications
- Switch-mode power supplies.
- High frequency DC to DC converters.
- Automotive applications, including inverters and free-wheeling diodes.
- Polarity protection in various electronic systems.
Q & A
- What is the maximum average forward current of the STPS4045CWY?
The maximum average forward current is 40 A per leg.
- What is the maximum DC reverse voltage of the STPS4045CWY?
The maximum DC reverse voltage is 45 V.
- What is the typical forward voltage drop of the STPS4045CWY at 20 A and 125°C junction temperature?
The typical forward voltage drop is 0.49 V.
- What is the maximum junction temperature of the STPS4045CWY?
The maximum junction temperature is 150°C.
- What is the package type of the STPS4045CWY?
The package type is TO-247.
- What are the typical applications of the STPS4045CWY?
Typical applications include switch-mode power supplies, high frequency DC to DC converters, and automotive applications such as inverters and free-wheeling diodes.
- What is the maximum thermal resistance, junction to case, of the STPS4045CWY?
The maximum thermal resistance, junction to case, is 1.6 °C/W.
- Does the STPS4045CWY meet any specific industry standards?
Yes, it is designed and qualified according to JEDEC®-JESD 47 standards.
- What is the significance of the high purity, high temperature epoxy encapsulation in the STPS4045CWY?
The high purity, high temperature epoxy encapsulation enhances mechanical strength and moisture resistance.
- What is the role of the guard ring in the STPS4045CWY?
The guard ring enhances ruggedness and long-term reliability.
