STPS1045SF Overview
The STPS1045SF is a high-efficiency, ultrafast power diode designed for industrial power management applications. It features a low forward voltage drop and rapid switching capability, making it ideal for reducing power losses and improving overall system efficiency. Its rugged construction ensures high reliability under demanding electrical conditions. This device supports applications requiring robust rectification with minimal electromagnetic interference and enhanced thermal performance. For detailed specifications and sourcing, visit IC Manufacturer.
STPS1045SF Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 45 V |
| Average Forward Current (IF(AV)) | 10 A |
| Surge Non-Repetitive Forward Current (IFSM) | 150 A |
| Forward Voltage Drop (VF) at IF = 10 A | 0.5 V (typical) |
| Reverse Recovery Time (trr) | 35 ns (typical) |
| Junction Temperature Range (Tj) | -65 ??C to 150 ??C |
| Storage Temperature Range (Tstg) | -65 ??C to 175 ??C |
| Package Type | TO-220AB |
| Thermal Resistance Junction to Ambient (R??JA) | 45 ??C/W |
STPS1045SF Key Features
- Ultrafast switching capability reduces switching losses, enhancing power efficiency in high-frequency applications.
- Low forward voltage drop minimizes conduction losses, contributing to improved thermal performance and energy savings.
- High surge current tolerance ensures reliability during transient load conditions, protecting circuits from damage.
- Robust thermal characteristics support operation across a wide temperature range, extending device lifespan in demanding environments.
Typical Applications
- Switching power supplies: Ideal for rectification stages requiring low losses and fast recovery to boost overall efficiency and reduce heat generation.
- Freewheeling diodes in DC-DC converters, enhancing transient response and reducing electromagnetic interference.
- Polarity protection circuits to safeguard sensitive components from reverse voltage conditions.
- Power factor correction circuits to improve system power quality while maintaining high efficiency.
STPS1045SF Advantages vs Typical Alternatives
This device offers lower forward voltage and faster recovery times compared to standard diodes, resulting in reduced power dissipation and improved switching efficiency. Its high surge current tolerance and robust thermal performance provide enhanced reliability in industrial power applications, making it a superior choice over typical rectifiers that may suffer from higher losses and slower response.
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STPS1045SF Brand Info
The STPS1045SF is manufactured by STMicroelectronics, a leading global semiconductor company specializing in advanced power management solutions. Known for integrating innovation and quality, STMicroelectronics offers this ultrafast diode as part of its extensive portfolio targeting industrial, automotive, and consumer electronics. The product benefits from the company??s expertise in semiconductor fabrication and reliability testing, ensuring consistent performance in demanding environments.
FAQ
What is the maximum reverse voltage rating of the STPS1045SF?
The maximum repetitive peak reverse voltage (VRRM) of this diode is 45 volts. This rating defines the highest reverse voltage the device can withstand without breakdown under normal operating conditions.
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How does the low forward voltage drop benefit my application?
A lower forward voltage drop reduces conduction losses during diode operation. This leads to less heat generation, improved energy efficiency, and potentially smaller cooling requirements for your power system.
Can this diode handle surge current during startup or faults?
Yes, it can handle a surge non-repetitive forward current (IFSM) of up to 150 amperes. This capability allows the diode to endure transient conditions such as inrush currents or short-term overloads without damage.
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What package does this diode come in, and how does it affect thermal management?
The device is housed in a TO-220AB package, which offers good thermal conductivity and allows for easy mounting on heatsinks.
