Overview
The STPS1545CT is a high-performance Schottky rectifier produced by STMicroelectronics. This device is specifically designed for use in low voltage, high frequency applications such as switch mode power supplies, high frequency DC to DC converters, inverters, free wheeling, and polarity protection.
Available in TO-220AB, TO-220FPAC, and D²PAK packages, the STPS1545CT offers a robust solution for various power management needs. Its design ensures minimal conduction and switching losses, making it an efficient choice for modern electronic systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 45 | V |
| Average Forward Current | IF(AV) | 15 A (TO-220AC, D²PAK), 12 A (TO-220FPAC) | A |
| Forward RMS Current | IF(RMS) | 30 A | A |
| Surge Non-Repetitive Forward Current | IFSM | 220 A (tp = 10 ms, sinusoidal) | A |
| Maximum Operating Junction Temperature | Tj | 175 °C | °C |
| Forward Voltage Drop | VF | 0.5 V (typ.), 0.57 V (max.) at IF = 15 A, Tj = 125 °C | V |
| Reverse Leakage Current | IR | 200 µA (max.) at VR = VRRM, Tj = 25 °C | A |
| Junction to Case Thermal Resistance | Rth(j-c) | 1.6 °C/W (TO-220AC, D²PAK), 4.0 °C/W (TO-220FPAC) | °C/W |
Key Features
- Very small conduction losses: Ensures high efficiency in power management applications.
- Negligible switching losses: Ideal for high-frequency operations.
- Extremely fast switching: Suitable for applications requiring rapid switching times.
- Insulated package options: Available in TO-220FPAC with an insulating voltage of 2000 VRMS sine.
- Avalanche capability specified: Provides robust protection against transient conditions.
- ECOPACK®2 compliant: Environmentally friendly packaging options available.
Applications
- Switch mode power supplies: Ideal for high-efficiency power conversion.
- High frequency DC to DC converters: Suitable for applications requiring fast switching and low losses.
- Inverters: Used in various inverter designs for efficient power management.
- Free wheeling and polarity protection: Provides protection and efficient operation in free-wheeling and polarity protection circuits.
Q & A
- What is the maximum operating junction temperature of the STPS1545CT?
The maximum operating junction temperature is 175 °C.
- What are the available package options for the STPS1545CT?
The device is available in TO-220AB, TO-220FPAC, and D²PAK packages.
- What is the typical forward voltage drop of the STPS1545CT?
The typical forward voltage drop is 0.5 V at IF = 15 A and Tj = 125 °C.
- What is the repetitive peak reverse voltage of the STPS1545CT?
The repetitive peak reverse voltage is 45 V.
- Is the STPS1545CT environmentally friendly?
Yes, it is ECOPACK®2 compliant, which means it meets certain environmental standards.
- What are some common applications of the STPS1545CT?
Common applications include switch mode power supplies, high frequency DC to DC converters, inverters, free wheeling, and polarity protection.
- What is the surge non-repetitive forward current of the STPS1545CT?
The surge non-repetitive forward current is 220 A for a pulse duration of 10 ms, sinusoidal.
- What is the junction to case thermal resistance of the STPS1545CT in TO-220AC and D²PAK packages?
The junction to case thermal resistance is 1.6 °C/W for TO-220AC and D²PAK packages.
- What is the reverse leakage current of the STPS1545CT at 25 °C?
The reverse leakage current is 200 µA (max.) at VR = VRRM and Tj = 25 °C.
- Is the STPS1545CT suitable for high-frequency operations?
Yes, it is extremely fast switching and has negligible switching losses, making it ideal for high-frequency operations.
